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

US4322567A Process for production of aromatic alcohols 失效
标题翻译：芳香醇生产工艺
公开(公告)号：US4322567A
公开(公告)日：1982-03-30
申请号：US152155
申请日：1980-05-22
申请人： Fujihisa Matsunaga , Norio Ohno , Hirohiko Nambu
发明人： Fujihisa Matsunaga , Norio Ohno , Hirohiko Nambu
IPC分类号： B01J23/00 , C07B61/00 , C07C27/00 , C07C29/132 , C07C33/18 , C07C67/00 , C07C27/04 , C07C27/06
CPC分类号： C07C29/132
摘要： In a process for producing an aromatic alcohol by catalytic hydrogenation of at least one tertiary peroxide selected from the group consisting of tertiary aromatic hydroperoxides and tertiary aromatic peroxides in the presence of a palladium catalyst in a lower aliphatic alcohol solvent to form the corresponding alcohol; the improvement wherein said catalyst has a palladium metal surface area, determined by the CO chemisorption method, of up to about 200 m.sup.2 /g.multidot.Pd.
摘要翻译：在钯催化剂存在下，在低级脂族醇溶剂中，通过至少一种选自叔芳基氢过氧化物和叔芳族过氧化物的三
次过氧化物的催化氢化生产芳香族醇的方法，形成相应的醇; 改进之处在于，所述催化剂具有通过CO化学吸附法确定的钯金属表面积高达约200m 2 / g×Pd。

2. 发明授权

US4271322A Process for preparation of phenols 失效
标题翻译：苯酚的制备方法
公开(公告)号：US4271322A
公开(公告)日：1981-06-02
申请号：US109214
申请日：1980-01-03
申请人： Fujihisa Matsunaga , Hirohiko Nambu
发明人： Fujihisa Matsunaga , Hirohiko Nambu
IPC分类号： C07C27/00 , C07C1/00 , C07C4/18 , C07C7/10 , C07C15/44 , C07C27/28 , C07C29/132 , C07C37/68 , C07C37/72 , C07C39/00 , C07C67/00 , C07C37/08 , C07C37/74
CPC分类号： C07C7/10 , C07C37/685 , C07C37/72 , Y02P20/52
摘要： Disclosed is a process for the preparation of phenols which comprises the steps of (I) decomposing a hydroperoxide of an isopropyl aromatic compound with an acid catalyst, (II) separating the decomposition product obtained in step (I) into acetone, phenols, hydrocarbons and distillation residue by distillation of the decomposition product and (III) thermally decomposing the distillation residue and recycling the resulting crude phenol to step (II), wherein the crude phenol obtained in step (III) is contacted with a glycol to form a hydrocarbon layer and an extract layer comprising the glycol and phenol, and the phenol in said extract layer is recycled to step (II).According to this process, mingling of impurity components having a boiling point close to that of the desired phenol, which are contained in the thermal decomposition product of the distillation residue, into the product phenol can be effectively prevented, and the desired phenol can be obtained at a high purity and at a high recovery yield.
摘要翻译：公开了一种制备苯酚的方法，其包括以下步骤：（I）用酸催化剂分解异丙基芳族化合物的氢过氧化物，（II）将步骤（I）中获得的分解产物分离成丙酮，酚，烃和通过蒸馏分解产物和（III）热分解蒸馏残余物并将所得粗苯酚再循环至步骤（II），其中将步骤（III）中获得的粗苯酚与二醇接触以形成烃层和将包含二醇和苯酚的提取物层和所述提取物层中的苯酚再循环至步骤（II）。根据该方法，可以有效地防止蒸馏残渣的热分解产物中所含的沸点接近所需苯酚的杂质成分与产物苯酚混合，得到所需的苯酚纯度高，回收率高。

3. 发明授权

US4355190A Process for recovery of resorcinol from aqueous resorcinol solution containing hydroquinone 失效
标题翻译：从含氢醌的含水间苯二酚溶液中回收间苯二酚的方法
公开(公告)号：US4355190A
公开(公告)日：1982-10-19
申请号：US215123
申请日：1980-12-10
申请人： Hirohiko Nambu , Fujihisa Matsunaga , Hiroaki Nakagawa
发明人： Hirohiko Nambu , Fujihisa Matsunaga , Hiroaki Nakagawa
IPC分类号： C07C37/86 , C07C37/68
CPC分类号： C07C37/86
摘要： A process for recovery of resorcinol from an aqueous resorcinol solution containing hydroquinone which comprises oxidizing an aqueous resorcinol solution containing about 10 to about 60% by weight of resorcinol and up to about 1% by weight of hydroquinone with molecular oxygen at conditions of pH 6.5 to 9.5, followed by recovering resorcinol from the resultant oxidation product.
摘要翻译：一种从含有氢醌的含水间苯二酚溶液中回收间苯二酚的方法，其中包括使pH值为6.5至6.5的条件下，用分子氧将包含约10至约60重量％间苯二酚和至多约1重量％氢醌的含水间苯二酚溶液氧化 9.5，然后从所得氧化产物中回收间苯二酚。

4. 发明授权

US4154967A Process for preparation of phenols 失效
标题翻译：苯酚的制备方法
公开(公告)号：US4154967A
公开(公告)日：1979-05-15
申请号：US794654
申请日：1977-05-06
申请人： Fujihisa Matsunaga , Hirohiko Nambu
发明人： Fujihisa Matsunaga , Hirohiko Nambu
IPC分类号： C07C37/08 , C07C37/50 , C07C37/58 , C07C39/04 , C07C37/00 , C07C39/08
CPC分类号： C07C37/08 , C07C37/50
摘要： A process for producing phenols which comprises oxidizing an aromatic hydrocarbon ring-substituted by an isopropyl group in one step in the liquid phase using molecular oxygen or a gas containing molecular oxygen in the presence or absence of a solvent, wherein the oxidation is carried out in the presence of an aromatic mercaptan having an acid dissociation constant (pKa) of less than 7.8.
摘要翻译：一种生产酚的方法，其包括在存在或不存在溶剂的情况下，使用分子氧或含有分子氧的气体，在液相中一步法氧化被异丙基取代的芳香烃环，其中氧化在存在酸解离常数（pKa）小于7.8的芳香族硫醇。

5. 发明授权

US4283567A Method for recovering resorcinol 失效
标题翻译：回收间苯二酚的方法
公开(公告)号：US4283567A
公开(公告)日：1981-08-11
申请号：US105246
申请日：1979-12-19
申请人： Hirohiko Nambu , Hiroaki Nakagawa , Masayasu Isibasi
发明人： Hirohiko Nambu , Hiroaki Nakagawa , Masayasu Isibasi
IPC分类号： C07C37/08 , B01J27/00 , C07B61/00 , C07C27/00 , C07C37/50 , C07C37/86 , C07C39/08 , C07C67/00 , C07C37/68
CPC分类号： C07C37/50
摘要： In a method for recovering resorcinol by thermally cracking high-boiling by-products formed by the acid-cleavage of m-diisopropylbenzene dihydroperoxide in the presence of at least one ammonium compound selected from the group consisting of ammonium sulfate and ammonium bisulfate at a temperature of about 170.degree. C. to about 350.degree. C. under reduced pressure, the improvement wherein said thermal cracking is carried out at a pressure of less than 50 mmHg gauge in the absence of any inert gas supplied.
摘要翻译：在通过热裂解由在二异丙基苯二氢过氧化物的酸裂解形成的高沸点副产物的存在下，在至少一种选自硫酸铵和硫酸氢铵的铵化合物的存在下，在温度为在减压下约170℃至约350℃的改进，其中所述热裂解在不存在任何惰性气体供应的情况下在小于50mmHg的压力下进行。

6. 发明授权

US4239921A Process for purification of crude resorcinol 失效
标题翻译：纯化间苯二酚的方法
公开(公告)号：US4239921A
公开(公告)日：1980-12-16
申请号：US56231
申请日：1979-07-10
申请人： Isao Hashimoto , Hiroaki Nakagawa , Toru Taguchi , Hirohiko Nambu
发明人： Isao Hashimoto , Hiroaki Nakagawa , Toru Taguchi , Hirohiko Nambu
IPC分类号： C07C27/00 , C07C37/84 , C07C39/08 , C07C67/00 , C07C37/70
CPC分类号： C07C37/84
摘要： In a process for purification of crude resorcinol derived from an acid-cleavage product of m-diisopropylbenzene dihydroperoxide and containing impurities having higher boiling points than resorcinol is, the recrystallization of said crude resorcinol from a mixed solvent consisting of(a) about 0.5 to about 5 times the weight of resorcinol of an aromatic hydrocarbon which contains 6 to 10 carbon atoms and is liquid at 20.degree. C., and(b) about 0.1 to about 0.7 time the weight of resorcinol of at least one compound selected from the group consisting of alkyl phenols having a C.sub.1 -C.sub.4 alkyl group and acyl phenols derived from C.sub.2 -C.sub.4 aliphatic monocarboxylic acids.
摘要翻译：在由间二异丙基苯二氢过氧化物的酸裂解产物衍生的含有比间苯二酚沸点高的杂质的粗间苯二酚的纯化方法中，所述粗间苯二酚从（a）约0.5至约含有6至10个碳原子的芳族烃的间苯二酚的重量的5倍，在20℃下为液体，和（b）约0.1-约0.7倍重量的间苯二酚至少一种选自以下的化合物具有C1-C4烷基的烷基酚和衍生自C2-C4脂族一元羧酸的酰基酚。

7. 发明授权

US4239644A Liquid peroxide composition 失效
标题翻译：液体过氧化物组合物
公开(公告)号：US4239644A
公开(公告)日：1980-12-16
申请号：US22499
申请日：1979-03-21
申请人： Hirohiko Nambu , Kenichi Mizuno , Tetuhiro Matumoto
发明人： Hirohiko Nambu , Kenichi Mizuno , Tetuhiro Matumoto
IPC分类号： C08K5/00 , C07C67/00 , C07C407/00 , C07C409/00 , C07C409/16 , C08F4/34 , C08F4/38 , C08K5/14 , C08L1/00 , C08L7/00 , C08L21/00 , C08L23/00 , C08L27/00 , C08L33/00 , C08L33/02 , C08L101/00 , C08C19/04 , C07C179/14 , C08F8/06
CPC分类号： C08K5/14 , C07C409/16 , C08F4/38
摘要： A liquid peroxide composition comprising dicumyl peroxide and a dicumyl peroxide derivative having one nucleus substituted by an alkyl group having 1 to 3 carbon atoms is disclosed. This peroxide composition can easily be handled because it is liquid, and it is very valuable as a cross-linking agent for an olefin polymer or a synthetic rubber.
摘要翻译：公开了一种包含过氧化二异丙苯和一个具有1至3个碳原子的烷基取代的一个核的二枯基过氧化物衍生物的液体过氧化物组合物。这种过氧化物组合物由于是液体而容易处理，作为烯烃聚合物或合成橡胶的交联剂是非常有价值的。

8. 发明授权

US4237319A Process for liquid-phase oxidation of m-diisopropylbenzene 失效
标题翻译： m-二异丙基苯的液相氧化方法
公开(公告)号：US4237319A
公开(公告)日：1980-12-02
申请号：US954072
申请日：1978-10-24
申请人： Hirohiko Nambu , Isao Hashimoto , Ichiro Imai
发明人： Hirohiko Nambu , Isao Hashimoto , Ichiro Imai
IPC分类号： C07C37/08 , C07C20060101 , C07C27/00 , C07C39/08 , C07C67/00 , C07C407/00 , C07C409/08 , C07C409/12 , C07C179/035
CPC分类号： C07C409/12 , C07C407/00
摘要： A process for producing m-diisopropylbenzene dihydroperoxide which comprises oxidizing m-diisopropylbenzene in the liquid phase with molecular oxygen under alkaline conditions; wherein the oxidation is carried out under conditions (A), (B) and (C) below,(A) under conditions which meet (i), (ii), (iii) and (iv) below,(i) 0.ltoreq.x.ltoreq.140(ii) y.gtoreq.80(iii) -0.05x+110.gtoreq.y.gtoreq.-0.15x+95wherein 0.ltoreq.x.ltoreq.100(iv) y.ltoreq.-0.25x+130wherein 100
摘要翻译：一种生产间二异丙基苯二氢过氧化物的方法，其包括在碱性条件下用分子氧氧化液相中的二异丙基苯; 其中氧化在满足下述（i），（ii），（iii）和（iv）的条件下在（A），（B）和（C）的条件下进行：（i） / = x <= 140（ii）y> / = 80（iii）-0.05x + 110> / = y> / = - 0.15x + 95其中0

9. 发明授权

US4273623A Process for recovery of resorcin 失效
标题翻译：回收间苯二酚的方法
公开(公告)号：US4273623A
公开(公告)日：1981-06-16
申请号：US41342
申请日：1979-05-22
申请人： Isao Hashimoto , Toru Taguchi , Hirohiko Nambu
发明人： Isao Hashimoto , Toru Taguchi , Hirohiko Nambu
IPC分类号： C07C27/00 , C07C37/08 , C07C37/74 , C07C39/08 , C07C67/00 , B01D3/34
CPC分类号： C07C37/08 , C07C37/74
摘要： In the process for obtaining a concentrate of resorcin by acid-decomposing m-diisopropylbenzene hydroperoxide in an inert solvent in the presence of an acidic solid catalyst and distilling off acetone and the inert solvent from the resulting acid-decomposition reaction mixture, if water is added to this reaction mixture in an amount of 20 to 70% by weight based on resorcin and the reaction mixture is then subjected to distillation, resorcin can be obtained at a high recovery yield.
摘要翻译：在惰性溶剂中，在酸性固体催化剂存在下，通过酸分解间二异丙基苯氢过氧化物，从所得酸分解反应混合物中蒸除丙酮和惰性溶剂，得到间苯二酚浓缩物的方法中，如果加入水以相对于间苯二酚计为20〜70重量％的量的反应混合物，然后将反应混合物进行蒸馏，可以以高回收率获得间苯二酚。

10. 发明授权

US4192958A Method for recovering resorcinol 失效
标题翻译：回收间苯二酚的方法
公开(公告)号：US4192958A
公开(公告)日：1980-03-11
申请号：US945883
申请日：1978-09-26
申请人： Isao Hashimoto , Hiroaki Nakagawa , Hirohiko Nambu
发明人： Isao Hashimoto , Hiroaki Nakagawa , Hirohiko Nambu
IPC分类号： C07C37/08 , C07C20060101 , C07C27/00 , C07C37/50 , C07C37/86 , C07C39/08 , C07C67/00 , C07C39/10
CPC分类号： C07C37/50
摘要： A method for recovering resorcinol by thermally cracking high-boiling by-products contained in the acid-cleavage product of m-diisopropylbenzene dihydroperoxide, wherein the thermal cracking is effected in the presence of an aromatic ketone of the formula ##STR1## wherein R.sup.1 represents a member selected from the group consisting of hydrogen, saturated alkyl groups having 1 to 6 carbon atoms, hydroxyl, acetyl and chlorine, R.sup.2 represents a member selected from the group consisting of saturated alkyl groups having 1 to 6 carbon atoms, cyclohexyl and phenyl, and n represents 1, 2 or 3, and when there are two or more R.sup.1 groups, they are identical or different.
摘要翻译：通过热裂解间歇二异丙基苯二氢过氧化物的酸裂解产物中所含的高沸点副产物来回收间苯二酚的方法，其中热裂解在式IMA的芳族酮存在下进行，其中R1表示选自氢，具有1至6个碳原子的饱和烷基，羟基，乙酰基和氯，R 2表示选自具有1至6个碳原子的饱和烷基，环己基和苯基的成员，以及 n表示1,2或3，当存在两个以上的R 1基时，它们相同或不同。

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