专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明授权

US5442086A Ultraviolet light-absorbing compounds and sunscreen formulations and polymeric materials containing such compounds or residues thereof 失效
标题翻译：紫外光吸收化合物和防晒制剂以及含有这些化合物或其残基的聚合材料
公开(公告)号：US5442086A
公开(公告)日：1995-08-15
申请号：US308863
申请日：1994-09-19
申请人： James J. Krutak , Max A. Weaver , Clarence A. Coates, Jr. , Samuel D. Hilbert , Terry A. Oldfield , William W. Parham , Wayne P. Pruett
发明人： James J. Krutak , Max A. Weaver , Clarence A. Coates, Jr. , Samuel D. Hilbert , Terry A. Oldfield , William W. Parham , Wayne P. Pruett
IPC分类号： A61K8/00 , A61K8/04 , A61K8/40 , A61K8/46 , A61K8/85 , A61Q17/04 , C07C69/734 , C07C69/736 , C07C255/23 , C07C255/32 , C07C255/34 , C07C255/37 , C07C255/41 , C07C255/53 , C07C271/26 , C07C317/46 , C07C321/28 , C07C323/12 , C07C323/19 , C07C323/32 , C07C323/62 , C08G63/16 , C08G63/20 , C08G63/44 , C08G63/676 , C08G63/685 , C08G63/688 , C08G85/00 , C08J5/18 , C08K5/00 , C08L67/00 , C08L67/02 , C09K3/00 , C07C255/00
CPC分类号： A61Q17/04 , A61K8/40 , A61K8/46 , A61K8/85 , C07C255/41 , C08G63/676 , C08G63/6858 , C08G63/6888 , C08G85/00 , Y10S514/938 , Y10T428/13 , Y10T428/1352
摘要： Disclosed are certain poly-methine compounds having the formula ##STR1## wherein each R.sup.1 is independently selected from cyano; carboxy; alkenyloxycarbonyl; an unsubstituted or substituted alkoxycarbonyl, cycloalkoxycarbonyl or aryloxycarbonyl radical; an unsubstituted or substituted, carbocyclic or heterocyclic aryl radical; an unsubstituted or substituted alkanoyl, cycloalkanoyl or aroyl radical; an unsubstituted or substituted carbamoyl radical; or an unsubstituted or substituted alkylsulfonyl, cycloalkylsulfonyl or arylsulfonyl radical; each R.sup.2 is independently selected from cyano or an unsubstituted or substituted alkoxycarbonyl, cycloalkoxycarbonyl or aryloxycarbonyl radical; each A is independently selected from an unsubstituted or substituted 1,2-phenylene or 1,2-naphthylene radical; each Z is independently selected from --0-- or --S--; and L is an organic linking group bonded by non-oxo carbon atoms to each Z atom. Also disclosed are sunscreen formulations and polymeric compositions containing at least one of the poly-methine compounds or the reactive residue thereof.
摘要翻译：公开了具有式“IMAGE”的某些聚次甲基化合物，其中每个R 1独立地选自氰基; 羧基; 烯氧基羰基; 未取代或取代的烷氧基羰基，环烷氧基羰基或芳氧基羰基; 未取代或取代的碳环或杂环芳基; 未取代或取代的烷酰基，环烷酰基或芳酰基; 未取代或取代的氨基甲酰基; 或未取代或取代的烷基磺酰基，环烷基磺酰基或芳基磺酰基; 每个R 2独立地选自氰基或未取代或取代的烷氧基羰基，环烷氧基羰基或芳氧基羰基; 每个A独立地选自未取代或取代的1,2-亚苯基或1,2-亚萘基; 每个Z独立地选自-O-或-S-; L是通过非氧代碳原子键合到每个Z原子上的有机连接基团。还公开了含有至少一种多次甲基化合物或其反应残余物的防晒制剂和聚合物组合物。

2. 发明授权

US5302740A Ultraviolet light-absorbing compounds and sunscreen formulations and polymeric materials containing such compounds or residues thereof 失效
标题翻译：紫外光吸收化合物和防晒制剂以及含有这些化合物或其残基的聚合材料
公开(公告)号：US5302740A
公开(公告)日：1994-04-12
申请号：US968917
申请日：1992-10-30
申请人： James J. Krutak , Max A. Weaver , Clarence A. Coates, Jr. , Samuel D. Hilbert , Terry A. Oldfield , William W. Parham , Wayne P. Pruett
发明人： James J. Krutak , Max A. Weaver , Clarence A. Coates, Jr. , Samuel D. Hilbert , Terry A. Oldfield , William W. Parham , Wayne P. Pruett
IPC分类号： A61K8/00 , A61K8/04 , A61K8/40 , A61K8/46 , A61K8/85 , A61Q17/04 , C07C69/734 , C07C69/736 , C07C255/23 , C07C255/32 , C07C255/34 , C07C255/37 , C07C255/41 , C07C255/53 , C07C271/26 , C07C317/46 , C07C321/28 , C07C323/12 , C07C323/19 , C07C323/32 , C07C323/62 , C08G63/16 , C08G63/20 , C08G63/44 , C08G63/676 , C08G63/685 , C08G63/688 , C08G85/00 , C08J5/18 , C08K5/00 , C08L67/00 , C08L67/02 , C09K3/00
CPC分类号： A61Q17/04 , A61K8/40 , A61K8/46 , A61K8/85 , C07C255/41 , C08G63/676 , C08G63/6858 , C08G63/6888 , C08G85/00 , Y10S514/938 , Y10T428/13 , Y10T428/1352
摘要： Disclosed are certain poly-methine compounds having the formula ##STR1## wherein each R.sup.1 is independently selected from cyano; carboxy; alkenyloxycarbonyl; an unsubstituted or substituted alkoxycarbonyl, cycloalkoxycarbonyl or aryloxycarbonyl radical; an unsubstituted or substituted, carbocyclic or heterocyclic aryl radical; an unsubstituted or substituted alkanoyl, cycloalkanoyl or aroyl radical; an unsubstituted or substituted carbamoyl radical; or an unsubstituted or substituted alkylsulfonyl, cycloalkylsulfonyl or arylsulfonyl radical; each R.sup.2 is independently selected from cyano or an unsubstituted or substituted alkoxycarbonyl, cycloalkoxycarbonyl or aryloxycarbonyl radical; each A is independently selected from an unsubstituted or substituted 1,2-phenylene or 1,2-naphthylene radical; each Z is independently selected from --O-- or --S--; and L is an organic linking group bonded by non-oxo carbon atoms to each Z atom. Also disclosed are sunscreen formulations and polymeric compositions containing at least one of the poly-methine compounds or the reactive residue thereof.
摘要翻译：公开了具有式“IMAGE”的某些聚次甲基化合物，其中每个R 1独立地选自氰基; 羧基; 烯氧基羰基; 未取代或取代的烷氧基羰基，环烷氧基羰基或芳氧基羰基; 未取代或取代的碳环或杂环芳基; 未取代或取代的烷酰基，环烷酰基或芳酰基; 未取代或取代的氨基甲酰基; 或未取代或取代的烷基磺酰基，环烷基磺酰基或芳基磺酰基; 每个R 2独立地选自氰基或未取代或取代的烷氧基羰基，环烷氧基羰基或芳氧基羰基; 每个A独立地选自未取代或取代的1,2-亚苯基或1,2-亚萘基; 每个Z独立地选自-O-或-S-; L是通过非氧代碳原子键合到每个Z原子上的有机连接基团。还公开了含有至少一种多次甲基化合物或其反应残余物的防晒制剂和聚合物组合物。

3. 发明授权

US4749774A Condensation polymer containing the residue of a poly-methine compound and shaped articles produced therefrom 失效
标题翻译：含有聚次甲基化合物的残基的聚合物和由其制备的成型制品
公开(公告)号：US4749774A
公开(公告)日：1988-06-07
申请号：US78434
申请日：1987-07-27
申请人： Max A. Weaver , Clarence A. Coates, Jr. , Wayne P. Pruett , Samuel D. Hilbert
发明人： Max A. Weaver , Clarence A. Coates, Jr. , Wayne P. Pruett , Samuel D. Hilbert
IPC分类号： C08F299/04 , C08F283/01 , C08G63/44 , C08G63/46 , C08G63/52 , C08G63/68 , C08G63/685 , C08G64/04 , C08L67/02 , C08G63/76 , C08G69/44
CPC分类号： C07C255/00 , C08G63/52 , C08G63/6858 , C08G64/045
摘要： Composition useful for molding into articles which as food containers, beverage bottles, cured structural plastics and the like comprising molding grade linear or unsaturated polyester or polycarbonate having reacted therewith or copolymerized therein the residue of one or more poly-methine compounds having the formula: ##STR1## wherein each R.sup.1 is independently selected from cyano, carboxy, alkenyloxycarbonyl, or a substituted or unsubstituted alkoxycarbonyl, cycloalkoxoycarbonyl or aryloxycarbonyl radical;each R.sup.2 is independently selected from one of the groups specified for R.sup.1 or an unsubstituted or substituted aryl, carbamoyl, alkanoyl, cycloalkanoyl, aroyl, alkylsulfonyl, cycloalkylsulfonyl, arylsulfonyl or aromatic, heterocyclic radical;each R.sup.3 is independently selected from hydrogen or an unsubstituted or substituted alkyl, cycloalkyl or aryl radical;A.sup.1 and A.sup.2 are independently selected from 1,4-phenylene radicals; andL is an organic linking group bonded by non-oxo carbon atoms to the oxygen atoms adjacent to L; provided the poly-methine compound bears at least one substituent that is reactive with one of the monomers from which the condensation polymer is derived.The polymethine residues are present in the polymer as an integral part of the polymer chain and absorb ultraviolet radiation in the range of about 250 to about 390 nm. The residues are non-extractable from the polymer and stable at the conditions at which the polymers are manufactured and processed.

4. 发明授权

US5374419A Ultraviolet light-absorbing compounds and sunscreen formulations and polymeric materials containing such compounds or residues thereof 失效
标题翻译：紫外光吸收化合物和防晒制剂以及含有这些化合物或其残基的聚合材料
公开(公告)号：US5374419A
公开(公告)日：1994-12-20
申请号：US994069
申请日：1992-12-18
申请人： James J. Krutak , Max A. Weaver , Clarence A. Coates, Jr. , Samuel D. Hilbert , Terry A. Oldfield , William W. Parham , Wayne P. Pruett
发明人： James J. Krutak , Max A. Weaver , Clarence A. Coates, Jr. , Samuel D. Hilbert , Terry A. Oldfield , William W. Parham , Wayne P. Pruett
IPC分类号： A61K8/00 , A61K8/04 , A61K8/40 , A61K8/46 , A61K8/85 , A61Q17/04 , C07C69/734 , C07C69/736 , C07C255/23 , C07C255/32 , C07C255/34 , C07C255/37 , C07C255/41 , C07C255/53 , C07C271/26 , C07C317/46 , C07C321/28 , C07C323/12 , C07C323/19 , C07C323/32 , C07C323/62 , C08G63/16 , C08G63/20 , C08G63/44 , C08G63/676 , C08G63/685 , C08G63/688 , C08G85/00 , C08J5/18 , C08K5/00 , C08L67/00 , C08L67/02 , C09K3/00 , A61K7/42 , A61K7/44 , C07C255/00
CPC分类号： A61Q17/04 , A61K8/40 , A61K8/46 , A61K8/85 , C07C255/41 , C08G63/676 , C08G63/6858 , C08G63/6888 , C08G85/00 , Y10S514/938 , Y10T428/13 , Y10T428/1352
摘要： Disclosed are sunscreen compositions containing certain poly-methine compounds having the formula ##STR1## wherein each R.sup.1 is independently selected from cyano; carboxy; alkenyloxycarbonyl; an unsubstituted or substituted alkoxycarbonyl, cycloalkoxycarbonyl or aryloxycarbonyl radical; an unsubstituted or substituted, carbocyclic or heterocyclic aryl radical; an unsubstituted or substituted alkanoyl, cycloalkanoyl or aroyl radical; an unsubstituted or substituted carbamoyl radical; or an unsubstituted or substituted alkylsulfonyl, cycloalkylsulfonyl or arylsulfonyl radical; each R.sup.2 is independently selected from cyano or an unsubstituted or substituted alkoxycarbonyl, cycloalkoxycarbonyl or aryloxycarbonyl radical; each A is independently selected from an unsubstituted or substituted 1,2-phenylene or 1,2-naphthylene radical; each Z is independently selected from --O-- or --S--; and L is an organic linking group bonded by non-oxo carbon atoms to each Z atom. Also disclosed are sunscreen formulations and polymeric compositions containing at least one of the poly-methine compounds or the reactive residue thereof.
摘要翻译：公开了含有具有式“IMAGE”的某些多次甲基化合物的防晒组合物，其中每个R 1独立地选自氰基; 羧基; 烯氧基羰基; 未取代或取代的烷氧基羰基，环烷氧基羰基或芳氧基羰基; 未取代或取代的碳环或杂环芳基; 未取代或取代的烷酰基，环烷酰基或芳酰基; 未取代或取代的氨基甲酰基; 或未取代或取代的烷基磺酰基，环烷基磺酰基或芳基磺酰基; 每个R 2独立地选自氰基或未取代或取代的烷氧基羰基，环烷氧基羰基或芳氧基羰基; 每个A独立地选自未取代或取代的1,2-亚苯基或1,2-亚萘基; 每个Z独立地选自-O-或-S-; L是通过非氧代碳原子键合到每个Z原子上的有机连接基团。还公开了含有至少一种多次甲基化合物或其反应残余物的防晒制剂和聚合物组合物。

5. 发明授权

US4892923A Polyester compositions containing the residue of a naphthopyran compound and shaped articles produced therefrom 失效
标题翻译：含有萘并吡喃化合物残留物的聚酯组合物和由其制备的成型制品
公开(公告)号：US4892923A
公开(公告)日：1990-01-09
申请号：US287819
申请日：1988-12-21
申请人： Max A. Weaver , Wayne P. Pruett , Samuel D. Hilbert , Clarence A. Coates, Jr.
发明人： Max A. Weaver , Wayne P. Pruett , Samuel D. Hilbert , Clarence A. Coates, Jr.
IPC分类号： C08G63/123 , C08G63/187 , C08G63/197 , C08G63/685
CPC分类号： C08G63/187 , C08G63/123 , C08G63/197 , C08G63/6854
摘要： Disclosed are compositions useful for molding into articles such as food containers, beverage bottles, cured structural plastics and the like comprising a polyester such as a linear, thermo-plastic polyester having reacted or copolymerized therein the residue of a 3H-naphtho[2,1-b]pyran-3-one or 3H-naphtho[2,1-b]pyran-3-imine compound. The naphthopyran compounds and residues are stable at the high temperatures at which the polymers are prepared and absorb radiation in the range of 350 to 450 nm.
摘要翻译：公开了可用于模制成诸如食品容器，饮料瓶，固化的结构塑料等的制品的组合物，其包括在其中反应或共聚有3H-萘并[2,1 -b]吡喃-3-酮或3H-萘并[2,1-b]吡喃-3-亚胺化合物。萘并吡喃化合物和残余物在制备聚合物的高温下是稳定的，并且吸收在350至450nm范围内的辐射。

6. 发明授权

US4808677A Condensation polymer containing copolymerized colorants derived from indigo and articles produced therefrom 失效
标题翻译：含有衍生自靛蓝的共聚着色剂和由其制备的制品的缩合聚合物
公开(公告)号：US4808677A
公开(公告)日：1989-02-28
申请号：US153635
申请日：1988-02-08
申请人： Max A. Weaver , Clarence A. Coates, Jr. , Wayne P. Pruett , Samuel D. Hilbert
发明人： Max A. Weaver , Clarence A. Coates, Jr. , Wayne P. Pruett , Samuel D. Hilbert
IPC分类号： C08G63/685 , C09B69/10 , C08G63/20
CPC分类号： C09B69/109 , C08G63/685
摘要： Disclosed are colored compositions useful for molding into articles such as food containers, beverage bottles, cured structural plastics and the like comprising condensation polymer having reacted therewith or copolymerized therein a coloring amount of the residue of a colorant compound having the formula; ##STR1## wherein R.sup.1 is ##STR2## carbonyl halide or an unsubstituted or substituted carbocyclic or hetrocyclic aryl radical;R.sup.2 is hydrogen or an unsubstituted or substituted alkyl or acyl radical;R.sup.3 is any of the substituents which R.sup.1 may represent; andA.sup.1 and A.sup.2 each is the residue of a fused benzene ring; whereinR.sup.4 is hydrogen, allyl or an unsubstituted or substituted alkyl, cycloalkyl or aryl radical; andR.sup.5 is hydrogen or an unsubstituted or substituted alkyl, cycloalkyl or aryl radical; provided the colorant compound bears at least one substituent that is reactive with one of the monomers from which the condensation polymer is derived.The colorant compound residues are present in the polymer chain and impart a red color to the polymer. The residues are nonextractable from the polymer and stable at the condition at which the polymers are prepared and processed.
摘要翻译：公开了可用于模制成诸如食品容器，饮料瓶，固化的结构塑料等制品的着色组合物，其包含与其反应或与其共聚的具有下式的着色剂化合物的着色量的缩聚物; 或者其中R 1为羰基卤或未取代或取代的碳环或杂环芳基的“IMAGE”或“IMAGE” R2是氢或未取代或取代的烷基或酰基; R3是R1可以表示的任何取代基; A1和A2各自为稠合苯环的残基; 其中R4是氢，烯丙基或未取代或取代的烷基，环烷基或芳基; 并且R 5是氢或未取代或取代的烷基，环烷基或芳基; 只要着色剂化合物具有至少一个与衍生缩合聚合物的单体之一反应的取代基。着色剂化合物残基存在于聚合物链中并赋予聚合物红色。残余物不可聚合，并且在制备和加工聚合物的条件下是稳定的。

7. 发明授权

US4892922A Polyester polymer containing the residue of a benzopyran colorant compound and shaped articles produced therefrom 失效
标题翻译：含有苯并吡喃着色剂化合物的残基的聚酯聚合物和由其制备的成型制品
公开(公告)号：US4892922A
公开(公告)日：1990-01-09
申请号：US287814
申请日：1988-12-21
申请人： Max A. Weaver , Clarence A. Coates, Jr. , Wayne P. Pruett , Samuel D. Hilbert
发明人： Max A. Weaver , Clarence A. Coates, Jr. , Wayne P. Pruett , Samuel D. Hilbert
IPC分类号： C08G63/668 , C08G63/685 , C08G63/688
CPC分类号： C08G63/668 , C08G63/6854 , C08G63/6884
摘要： Colored polyester compositions useful for molding into articles such as food containers, beverage bottles, cured structural plastics and the like comprising molding grade polyester such as a linear, thermoplastic polyester having reacted therewith or copolymerized therein the residue of a 7-amino-2H-1-benzopyran-2-one compound or a 7-amino-2H-1-benzopyran-2-imine compound, said residue absorbing radiation in the range of about 400 to 450 nm and being non-extractable from said polymer and stable under polymer formation and processing conditions.
摘要翻译：可用于模制成诸如食品容器，饮料瓶，固化的结构塑料等制品的着色聚酯组合物包括成型级聚酯，例如与其反应的线性热塑性聚酯或其中共聚有7-氨基-2H-1 - 苯并吡喃-2-酮化合物或7-氨基-2H-1-苯并吡喃-2-亚胺化合物，所述残余物吸收在约400至450nm范围内的辐射，并且不能从所述聚合物中萃取并且在聚合物形成下是稳定的和加工条件。

8. 发明授权

US4749773A Condensation polymers containing methine ultraviolet radiation-absorbing residues and shaped articles produced therefrom 失效
标题翻译：含有次甲基紫外线辐射吸收残基的冷凝聚合物和由其制备的成型制品
公开(公告)号：US4749773A
公开(公告)日：1988-06-07
申请号：US78433
申请日：1987-07-27
申请人： Max A. Weaver , Wayne P. Pruett , Samuel D. Hilbert , Clarence A. Coates, Jr.
发明人： Max A. Weaver , Wayne P. Pruett , Samuel D. Hilbert , Clarence A. Coates, Jr.
IPC分类号： C08G63/44 , C08G63/54 , C08G63/685 , C08G64/04 , C08G64/12 , C08G63/76 , C08G69/44
CPC分类号： C08G64/12 , C07C255/00 , C07C317/00 , C08G63/54 , C08G63/6858 , C08G64/045
摘要： A composition useful for molding into articles such as food containers, soft drink bottles, cured structural plastics and the like, comprising molding grade linear or unsaturated polyester or polycarbonate having reacted or copolymerized therein a total of from 100 to about 800 ppm, of the residue of one or a mixture of methine reactants of the formula ##STR1## wherein R.sup.1 is hydrogen or an unsubstituted or substituted alkyl, alkenyl, cycloalkyl or aryl radical;A.sup.1 is an unsubstituted or substituted phenylene radical;A.sup.2 is an unsubstituted or substituted 1,4-phenylene radical;R.sup.2 is hydrogen or an unsubstituted or substituted alkyl, cycloalkyl or aryl radical;R.sup.3 is cyano or ##STR2## and R.sup.4 is one of the substituents which R.sup.3 can represent or an unsubstituted or substituted carbamoyl, alkanoyl, aroyl, alkylsulfonyl, arylsulfonyl, aryl or aromatic heterocyclic radicals.The methine residues are present in the polymer as an integral part of the polymer chain and absorb ultraviolet radiation in the range of about 250 to about 390 nm. The residues are non-extractable from the polymer and stable at the conditions at which the polymers are manufactured and processed.
摘要翻译：可用于模制成诸如食品容器，软饮料瓶，固化的结构塑料等的制品的组合物，其包含在其中反应或共聚合总计为100至约800ppm的残余物的成型级线性或不饱和聚酯或聚碳酸酯其中R 1是氢或未取代或取代的烷基，链烯基，环烷基或芳基的一种或者下式的次甲基化合物的混合物： A1是未取代或取代的亚苯基; A2是未取代或取代的1,4-亚苯基; R2是氢或未取代或取代的烷基，环烷基或芳基; R 3是氰基或R 4是R 3可以代表的取代基之一或未取代或取代的氨基甲酰基，烷酰基，芳酰基，烷基磺酰基，芳基磺酰基，芳基或芳族杂环基。次甲基残基作为聚合物链的组成部分存在于聚合物中，并吸收约250至约390nm范围内的紫外线辐射。残余物不能从聚合物中萃取，并且在制备和加工聚合物的条件下是稳定的。

9. 发明授权

US5274072A Polyester composition having copolymerized therein a light absorbing compound 失效
标题翻译：在其中共聚有光吸收化合物的聚酯组合物
公开(公告)号：US5274072A
公开(公告)日：1993-12-28
申请号：US878273
申请日：1992-05-04
申请人： Max A. Weaver , James J. Krutak , Clarence A. Coates, Jr. , William W. Parham , Wayne P. Pruett , Samuel D. Hilbert
发明人： Max A. Weaver , James J. Krutak , Clarence A. Coates, Jr. , William W. Parham , Wayne P. Pruett , Samuel D. Hilbert
IPC分类号： C07D413/04 , C07D413/14 , C07D417/14 , C08G63/685 , C08G63/688 , C08L101/00 , C08G63/08 , C07D277/62 , C07D307/02
CPC分类号： C07D413/14 , C07D413/04 , C07D417/14 , C08G63/685 , C08G63/688 , C08L101/00
摘要： Provided are certain novel substituted 2(5H)furanone compounds which are useful as ultraviolet/visible light absorbing compounds. Also provided are polyester compositions having such compounds copolymerized therein and shaped or formed articles comprised of such polyester compositions.
摘要翻译：提供可用作紫外/可见光吸收化合物的某些新的取代的2（5H）呋喃酮化合物。还提供了具有共聚合的这种化合物的聚酯组合物和由这种聚酯组合物组成的成形或成型制品。

10. 发明授权

US5091501A Process for preparing 2H-1-benzopyran-2-ones and polyesters containing 2H-1-benzopyran-2-one residues 失效
标题翻译：制备2H-1-苯并吡喃-2-酮和含有2H-1-苯并吡喃-2-酮残基的聚酯的方法
公开(公告)号：US5091501A
公开(公告)日：1992-02-25
申请号：US594460
申请日：1990-10-04
申请人： Max A. Weaver , Samuel D. Hilbert , Wayne P. Pruett , Clarence A. Coates, Jr.
发明人： Max A. Weaver , Samuel D. Hilbert , Wayne P. Pruett , Clarence A. Coates, Jr.
IPC分类号： C07D311/16 , C08G63/668 , C08G63/68
CPC分类号： C07D311/16 , C08G63/668 , C08G63/68
摘要： This invention provides a process for producing 2H-1-benzopyran-2-ones (coumarins) from optionally-substituted o-halocinnamic acids or esters under polyester-forming conditions. When the coumarins contain appropriately reactive functional groups, and desired monomers are present, a colored or UV-absorbing coumarin/polyester copolymer is provided in one step.
摘要翻译：本发明提供了在聚酯形成条件下从任选取代的邻卤代甲酰胺酸或酯生产2H-1-苯并吡喃-2-酮（香豆素）的方法。当香豆素含有适当的反应性官能团并且存在所需的单体时，在一个步骤中提供着色或UV吸收香豆素/聚酯共聚物。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式