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1. 发明授权

US06416689B1 Method for molding plastic lenses 有权
标题翻译：塑料镜片成型方法
公开(公告)号：US06416689B1
公开(公告)日：2002-07-09
申请号：US09814318
申请日：2001-03-21
申请人： Gabriel Keita , Yassin Yusef Turshani
发明人： Gabriel Keita , Yassin Yusef Turshani
IPC分类号： B29D1100
CPC分类号： B29D11/00528 , B29C33/0016 , B29C33/0038 , B29C37/04 , B29C39/24 , B29C2793/009 , B29D11/00413 , B29D11/00538
摘要： The method for making an optical lens which includes: filling a molding cavity vertically oriented and defined by two mold pieces at the periphery of which is disposed an annular closure member with a polymerizable synthetic composition through a disposable check valve provided in the closure member; polymerizing the composition to form the lens; and recovering the lens with the disposable check valve imprisoned within the polymerized composition at the periphery thereof.
摘要翻译：一种制造光学透镜的方法，包括：填充垂直取向并由两个模片限定的模腔，其周边设置有通过设置在封闭构件中的一次性止回阀的可聚合合成组合物的环形封闭构件;聚合组成以形成镜片; 并且在其周围处于聚合组合物内的一次性止回阀来恢复透镜。

2. 发明授权

US06887401B2 Method for making transparent polythiourethane substrates in particular optical substrates 失效
标题翻译：透明聚硫氨酯基材特别是光学基材的方法
公开(公告)号：US06887401B2
公开(公告)日：2005-05-03
申请号：US10012727
申请日：2001-11-05
申请人： Gabriel Keita , Joey O. Obordo , Pamela Anne McClimans , Yassin Yusef Turshani
发明人： Gabriel Keita , Joey O. Obordo , Pamela Anne McClimans , Yassin Yusef Turshani
IPC分类号： C08G18/72 , C08G18/10 , C08G18/38 , G02B1/04 , B29D11/00 , B29C39/24 , C08G18/70 , C08L75/12 , G02B3/00
CPC分类号： C08G18/3876 , C08G18/10 , G02B1/041 , C08L75/04 , C08L81/00
摘要： A method of fast curing polythiourethane transparent casted substrate, usable for making optical articles such as ophthalmic lenses, which comprises the steps of: 1) Providing a first component A comprising a polythiourethane prepolymer having isocyanate or isothiocyanate end groups and a viscosity at 25° C. ranging from 0.02 to 0.4 Pa.s; 2) Providing a second component B comprising a polythiourethane prepolymer having thiol (SH) end groups and a viscosity at 25° C. ranging from 0.2 to 2.0 Pa.s; 3) Mixing together first and second components A and B and filling a moulding cavity of a casting mould assembly with the resulting mixture; 4) Curing said mixture to obtain a transparent solid substrate, said curing step comprising: a) a first step for polymerizing said mixture to obtain a gel within 1 to 10 minutes; and b) a second step of post-curing the gel to obtain the transparent solid substrate; and 5) Recovering the transparent solid substrate from the mould.
摘要翻译：一种快速固化聚硫氨酯透明铸造基材的方法，可用于制造诸如眼镜片的光学制品，其包括以下步骤：1）提供包含具有异氰酸酯或异硫氰酸酯端基的聚硫氨酯预聚物和25℃下的粘度的第一组分A 范围从0.02到0.4 Pa.s; 2）提供第二组分B，其包含具有硫醇（SH）端基的聚硫氨酯预聚物，并且在25℃下的粘度范围为0.2至2.0Pa.s; 3）将第一和第二组分A和B混合在一起，并用所得混合物填充铸模组件的模腔; 4）固化所述混合物以获得透明固体基质，所述固化步骤包括：a）在1-10分钟内聚合所述混合物获得凝胶的第一步骤; 和b）将凝胶后固化以获得透明固体基材的第二步骤; 和5）从模具中回收透明固体基质。

3. 发明授权

US06579476B2 Method for molding ophthalmic lenses made of plastic material 有权
公开(公告)号：US06579476B2
公开(公告)日：2003-06-17
申请号：US09814333
申请日：2001-03-21
申请人： Joseph Boryslawski , Gabriel Keita , Yassin Yusef Turshani
发明人： Joseph Boryslawski , Gabriel Keita , Yassin Yusef Turshani
IPC分类号： B29D1100
CPC分类号： B29D11/00528 , B29C31/044 , B29C39/24 , B29D11/00413 , B29D11/00538 , B29L2011/0016 , Y10S425/808
摘要： A method for molding a plastic ophthalmic lens which comprises introducing a liquid polymerizable composition in a molding cavity of a two-piece mold through a filling nozzle in flow communication with the upper half of the molding cavity and spaced apart from the central vertical axis of the molding cavity up to the time the lower half of the molding cavity is filled. Then, tilting the mold to bring the filling in register with the central axis of the molding cavity and achieving full filling of the molding cavity. Thereafter, polymerizing the composition and recovering the lens.

4. 发明授权

US06844415B1 Polymerizable compositions for making thio containing resins including a salt catalyst and process for making thio containing 失效
标题翻译：用于制备包含盐催化剂的含硫树脂的可聚合组合物和用于制备硫代的方法
公开(公告)号：US06844415B1
公开(公告)日：2005-01-18
申请号：US09395082
申请日：2003-01-31
申请人： Gabriel Keita , Pamela Ann McClimans , Steve Weber , Yassin Turshani
发明人： Gabriel Keita , Pamela Ann McClimans , Steve Weber , Yassin Turshani
IPC分类号： C08G18/08 , C08G18/22 , C08G18/38 , C08G18/00 , C08G18/06 , C08G18/16
CPC分类号： C08G18/0852 , C08G18/225 , C08G18/3868 , C08G18/3876 , G02B1/041 , C08L75/04 , C08L81/00
摘要： The polymerizable compositions comprise: A) at least one polyiso(thio)cyanate monomer, and at least one polythiol monomer; or at least one episulfide compound and optionally one or more compounds having two or more functional groups capable of reacting with episulfide groups; and B) as polymerization catalyst, an effective amount of a salt of formula MmP+Yn− Y− is an anion such as the corresponding acid YH has a pKa fulfilling the condition 0.5≦pKa≦14 with the proviso that when the polymerizable compositions comprise an episulfide compound and MP+ is an ammonium group, the polymerizable composition also comprises an electro-donor compound. Application to the fabrication of optical articles, such as lenses.
摘要翻译：可聚合组合物包含：A）至少一种多异（硫代）氰酸酯单体和至少一种多硫醇单体; 或至少一种环硫化合物和任选的一种或多种具有两个或更多个能够与环硫基反应的官能团的化合物; 和B）作为聚合催化剂，有效量的式Y - 的盐是阴离子，例如相应的酸YH具有满足条件0.5 <= pKa <= 14的pKa，条件是当可聚合组合物包含环硫化合物和M
是铵基，所述可聚合组合物还包含电子给体化合物。用于制造诸如透镜的光学制品。

5. 发明授权

US06417322B1 Episulfide based polymerizable composition catalyzed by an (alkoxyphenyl)phosphine, articles made therefrom and process for making same 有权
标题翻译：由（烷氧基苯基）膦催化的基于硫化物的可聚合组合物，由其制成的制品及其制备方法
公开(公告)号：US06417322B1
公开(公告)日：2002-07-09
申请号：US09669099
申请日：2000-09-25
申请人： Aref Ben Ahmed Jallouli , Gabriel Keita , Steven Weber , Yassin Turshani
发明人： Aref Ben Ahmed Jallouli , Gabriel Keita , Steven Weber , Yassin Turshani
IPC分类号： C08G7500
CPC分类号： C08G75/08 , G02B1/04 , C08L81/00
摘要： The room temperature polymerizable composition comprises at least one polymerizable monomer having at least one episulfide functionality and an effective amount of at least one (alkoxyphenyl)phosphine polymerization catalyst.
摘要翻译：室温聚合性组合物包含至少一种具有至少一个环硫官能团的可聚合单体和有效量的至少一种（烷氧基苯基）膦聚合催化剂。

6. 发明授权

US5741831A Polymerizable compositions based on thio (meth) acrylate monomers, polymers with a low yellow index obtained from such compositions, and corresponding ophthalmic lenses 失效
标题翻译：基于硫代（甲基）丙烯酸酯单体的可聚合组合物，由这种组合物获得的具有低黄色指数的聚合物和相应的眼科镜片
公开(公告)号：US5741831A
公开(公告)日：1998-04-21
申请号：US652244
申请日：1996-05-23
申请人： Gabriel Keita , Peiqi Jiang
发明人： Gabriel Keita , Peiqi Jiang
IPC分类号： G02C7/02 , B29D11/02 , B29K33/04 , C08F2/48 , C08F20/38 , C08F220/38 , C08F228/02 , G02B1/04 , C08F228/04
CPC分类号： C08F228/02 , G02B1/041
摘要： Transparent polymer composition comprising: a component A comprising: at least 10% by weight of a monomer or of a mixture of monomers (I), containing at least one thioacrylate or thiomethacrylate function; 0 to 90% by weight of one or more monomers (II) which are copolymerizable by a radical route, preferably mono- or polyfunctional vinyl, acrylic or methacrylic; and a component B comprising, relative to the weight of the component A: 0.1 to 15% by weight of one or more monomers (III) containing an ethylenic unsaturation which does not contribute to an aromatic system and having a carbon bearing a free hydroxyl group in an .alpha. position relative to the ethylenic unsaturation. Application to the manufacture of ophthalmic lenses.
摘要翻译：透明聚合物组合物，其包含：组分A，其包含：至少10重量％的单体或含有至少一种硫代丙烯酸酯或硫代甲基丙烯酸酯官能团的单体（I）的混合物; 0至90重量％的一种或多种可通过自由基途径共聚的单体（II），优选单官能或多官能乙烯基，丙烯酸或甲基丙烯酸; 和组分B，其相对于组分A的重量：0.1至15重量％的一种或多种不含芳族体系并具有游离羟基的碳的含有烯属不饱和度的单体（III）在相对于烯属不饱和度的α位置。适用于制造眼镜片。

7. 发明授权

US5702825A Low yellow index polymer compositions, polymerizable compositions and lenses using said compositions 失效
标题翻译：使用所述组合物的低黄色指数聚合物组合物，可聚合组合物和透镜
公开(公告)号：US5702825A
公开(公告)日：1997-12-30
申请号：US695790
申请日：1996-08-12
申请人： Gabriel Keita , Joel Renaudineau , Leanirith Yean
发明人： Gabriel Keita , Joel Renaudineau , Leanirith Yean
IPC分类号： C08F222/10 , G02B1/04 , B32B27/20 , C08F232/04 , C02B1/04
CPC分类号： C08F222/1006 , G02B1/041 , Y10T428/31855
摘要： The present invention relates to a new polymer compositions for use in the manufacture of ophthalmic lenses, to their use in ophthalmology and to apparatus using these lenses, such as eyepieces and film/video camera optics.
摘要翻译：本发明涉及用于制造眼科镜片，用于眼科学的新型聚合物组合物和使用这些透镜的设备，例如目镜和胶片/摄像机光学元件。

8. 发明授权

US5442022A Low yellow index polymer compositions, polymerisable compositions and lenses using said compositions 失效
标题翻译：使用所述组合物的低黄色指数聚合物组合物，可聚合组合物和透镜
公开(公告)号：US5442022A
公开(公告)日：1995-08-15
申请号：US172137
申请日：1993-12-21
申请人： Gabriel Keita , Joel Renaudineau
发明人： Gabriel Keita , Joel Renaudineau
IPC分类号： G02C7/02 , B29C39/00 , B29D11/00 , B29K33/00 , B29L11/00 , C08F20/26 , C08F20/38 , C08F220/10 , C08F220/28 , C08F220/30 , C08F290/00 , C08F290/06 , G02B1/04 , C08F232/04
CPC分类号： C08F220/30 , G02B1/041
摘要： A polymer composition obtained by polymerisation of a polymerisable composition comprising: at least 50% by weight of a monomer or mixture of monomers having formula I ##STR1## wherein R.sub.1 and R.sub.2, which may be identical or different, represent hydrogen or C.sub.1 -C.sub.6 alkyl, X represents ##STR2## and wherein m+n is between 0 and 10, 0 to 50% by weight of one or more mono- or polyfunctional vinyl, acrylic or methacrylic comonomers (II); 0.5 to 15% by weight with respect to the weight of components (I) and (II) of a compound having formula (III) ##STR3## where R.sub.3 and R.sub.4 represent hydrogen or one of radicals R.sub.3 and R.sub.4 represents a hydrogen atom while the other forms a ring with R.sub.7 ; R.sub.5, R.sub.6 and R.sub.7 are hydrogen or an alkyl group which may be substituted by OH and/or interrupted.
摘要翻译：通过聚合可聚合组合物获得的聚合物组合物，其包含：至少50重量％的具有式I的单体或单体混合物（I）其中R1和R2可以相同或不同，表示氢或C 1 -C 6烷基，X表示其中m + n为0至10重量％至50重量％的一种或多种单官能或多官能乙烯基，丙烯酸或甲基丙烯酸共聚单体（II）; 相对于具有式（III）的化合物（III）的组分（I）和（II）的重量为0.5至15重量％，其中R 3和R 4表示氢或基团R 3和R 4中的一个表示氢而另一个与R7形成环; R5，R6和R7是氢或可被OH取代的烷基和/或中断的。

9. 发明申请

US20080110245A1 Methods Relating to Molding Optical Lenses 审中-公开
标题翻译：关于成型光学镜片的方法
公开(公告)号：US20080110245A1
公开(公告)日：2008-05-15
申请号：US11932736
申请日：2007-10-31
申请人： Gabriel Keita , Joseph Boryslawski
发明人： Gabriel Keita , Joseph Boryslawski
IPC分类号： G01M3/34
CPC分类号： B29C39/42 , B29C31/04 , B29C33/0038 , B29C39/006 , B29C39/24 , B29C39/26 , B29C41/04 , B29D11/00 , B29D11/00413 , B29D11/00528 , B29D11/00538 , B29L2011/0016 , B29L2011/0041
摘要： A method that includes providing a cavity defined by at least a portion of a mold and a closure member attached to the portion of the mold, the portion of the mold being oriented vertically and having a top and a bottom, and a sealing material being positioned near the bottom and attached to the closure member; puncturing the sealing material and the closure member with an instrument near the bottom, the puncturing creating an opening in the sealing material; and introducing a polymerizable composition into the cavity through the instrument. A method useful in testing sealing materials. Other methods are also disclosed.
摘要翻译：一种方法，其包括提供由模具的至少一部分和附接到所述模具的所述部分的封闭构件限定的空腔，所述模具的所述部分垂直取向并具有顶部和底部，以及密封材料被定位靠近底部并附接到封闭构件; 用靠近底部的器具刺穿密封材料和封闭构件，刺穿在密封材料中形成开口; 并通过仪器将可聚合组合物引入空腔。一种用于测试密封材料的方法。还公开了其它方法。

10. 发明授权

US07253213B2 Anionic and Lewis base photopolymerization process and its use for making optical articles 失效
标题翻译：阴离子和路易斯碱光聚合方法及其制备光学制品的用途
公开(公告)号：US07253213B2
公开(公告)日：2007-08-07
申请号：US11114753
申请日：2005-04-26
申请人： Charles R. Kutal , Sirisoma Wanigatunga , Gabriel Keita , Yassin Turshani
发明人： Charles R. Kutal , Sirisoma Wanigatunga , Gabriel Keita , Yassin Turshani
IPC分类号： C07F11/00 , C07F15/00 , C08J3/28
CPC分类号： C08F2/50
摘要： The invention relates to a process for polymerising a monomer, polymerizing and/or crosslinking an oligomer, or crosslinking a polymer or copolymer, said monomer, oligomer, polymer and copolymer being selected among precursor monomers, urethane, thiourethane and episulfide oligomers, and urethane, thiourethane and episulfide polymers and copolymers, which comprises: (a) adding to precursor monomers or oligomers or polymers or copolymers an effective amount of at least one complex of Co, Mo or W which under irradiation conditions photochemically reacts to release at least one anionically charged nucleophile or uncharged Lewis base; and (b) irradiating the mixture of (a) to release the at least one anionically charged nucleophile or uncharged Lewis base to initiate polymerisation and/or crosslinking of the monomer, oligomer, polymer or copolymer.
摘要翻译：本发明涉及聚合单体，聚合和/或交联低聚物或交联聚合物或共聚物的方法，所述单体，低聚物，聚合物和共聚物选自前体单体，氨基甲酸酯，硫代氨基甲酸酯和环硫化物低聚物，以及聚氨酯，硫代氨基甲酸酯和环硫化物聚合物和共聚物，其包括：（a）向前体单体或低聚物或聚合物或共聚物添加有效量的至少一种Co，Mo或W的复合物，其在照射条件下光化学反应以释放至少一个阴离子充电亲核或不带电的路易斯碱; 和（b）照射（a）的混合物以释放至少一个带阴离子电荷的亲核试剂或不带电的路易斯碱以引发单体，低聚物，聚合物或共聚物的聚合和/或交联。

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