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71. 发明授权

US5066709A Bioadhesive composition 失效
标题翻译：生物粘合剂组合物
公开(公告)号：US5066709A
公开(公告)日：1991-11-19
申请号：US585326
申请日：1990-09-20
申请人： Ratan K. Chaudhuri , Rama K. Haldar , Balgopal Gangadharan
发明人： Ratan K. Chaudhuri , Rama K. Haldar , Balgopal Gangadharan
IPC分类号： A61C13/23 , A61K6/00 , A61L24/06 , C08F16/16 , C08F20/02 , C08F20/52 , C08F216/16 , C08F222/06 , C08F222/38 , C09J11/00 , C09J125/00 , C09J125/08 , C09J129/00 , C09J129/10 , C09J135/00
CPC分类号： A61L24/06
摘要： This invention relates to superior bioadhesive compositions having time extended adhesive properties comprising a non-toxic carrier and a polymer having between about 45 and about 70 weight % of units having the structure ##STR1## between about 50 and about 30 weight % of units having the structure ##STR2## and 2 to 7 weight % of an amine salt containing a lactam functionally derived from A and/or B, wherein R is hydrogen, alkoxy, phenyl, carboxy or --N lactam having from 3 to 6 carbon atoms; R.sub.1 is C.sub.1 to C.sub.6 alkylene and R.sub.2 is C.sub.2 to C.sub.4 alkylene; said copolymer having a number average molecular weight of about 40,000 to about 500,000 and a relatively small particle size. The invention also relates to the method of synthesizing and using the above composition.
摘要翻译：本发明涉及具有时间延长的粘合剂性质的优异的生物粘合剂组合物，其包含无毒载体和具有约45至约70重量％的具有结构“IMAGE”A的单元的聚合物。约50至约30重量％的单元具有结构 B.和/或 C.和2至7重量％的含有功能性衍生自A和/或B的内酰胺的胺盐，其中R是氢，烷氧基，苯基，羧基或 - 具有3至6个碳原子的N内酰胺; R1是C1-C6亚烷基，R2是C2-C4亚烷基; 所述共聚物的数均分子量为约40,000至约500,000，并且具有相对小的粒度。本发明还涉及合成和使用上述组合物的方法。

72. 发明授权

US5055046A Bioadhesive composition 失效
标题翻译：生物粘合剂组合物
公开(公告)号：US5055046A
公开(公告)日：1991-10-08
申请号：US681590
申请日：1991-04-08
申请人： Ratan K. Chaudhuri , Rama K. Haldar , Balgopal Gangadharan
发明人： Ratan K. Chaudhuri , Rama K. Haldar , Balgopal Gangadharan
IPC分类号： A61C13/23 , A61K6/00 , A61L24/06
CPC分类号： A61L24/06
摘要： This invention relates to superior bioadhesive compositions having time extended adhesive properties comprising a non-toxic carrier and a polymer having between about 45 and about 70 weight % of units having the structure ##STR1## between about 50 and about 30 weight % of units having the structure ##STR2## and 2 and 7 weight % of an amine salt containing a lactam functionality derived from A and/or B, wherein R is hydrogen, alkoxy, phenyl, carboxyl or --N lactam having from 3 to 6 carbon atoms; R.sub.1 is C.sub.1 to C.sub.6 alkylene and R.sub.2 is C.sub.2 to C.sub.4 alkylene; said copolymer having a number average molecular weight of about 40,000 to about 500,000 and a relatively small particle size. The invention also relates to the method of synthesizing and using the above composition.
摘要翻译：本发明涉及具有时间延长的粘合剂性质的优异的生物粘合剂组合物，其包含无毒载体和具有约45至约70重量％的具有结构“IMAGE”A的单元的聚合物。约50至约30重量％的单元具有结构 B.和/或 C.和2和7重量％的含有衍生自A和/或B的内酰胺官能团的胺盐，其中R是氢，烷氧基，苯基，羧基或 - 具有3至6个碳原子的N内酰胺; R1是C1-C6亚烷基，R2是C2-C4亚烷基; 所述共聚物的数均分子量为约40,000至约500,000，并且具有相对小的粒度。本发明还涉及合成和使用上述组合物的方法。

73. 发明授权

US5008104A Quaternized nitrogen containing compounds 失效
公开(公告)号：US5008104A
公开(公告)日：1991-04-16
申请号：US370226
申请日：1989-06-22
申请人： Ratan K. Chaudhuri , David J. Tracy , Robert B. Login
发明人： Ratan K. Chaudhuri , David J. Tracy , Robert B. Login
IPC分类号： A61K8/45 , A61K8/49 , A61Q5/12 , A61Q19/00 , C07D207/26 , C07D207/27 , C07D211/76 , C07D223/10 , C07D225/02 , C11D1/62
CPC分类号： C11D1/62 , A61K8/45 , A61K8/4913 , A61Q19/00 , A61Q5/008 , C07D207/27 , C07D211/76 , A61Q5/02 , A61Q5/12 , Y10S514/847 , Y10S514/944
摘要： The invention relates primarily to quaternized compounds having the formula ##STR1## wherein n and n' are each independently integers having a value of from 1 to 25; p is an integer having a value of from 1 to 4; Y and Y' are each independently H or CH.sub.3 ; R is linear alkyl, alkenyl, or amidoalkyl having from 8 to 22 carbon atoms and is optionally substituted with C.sub.1 to C.sub.4 alkyl; Z is linear alkylene having from 3 to 8 carbon atoms and is optionally substituted with lower alkyl and A.sup.- is an anion.

74. 发明授权

US4980419A Alkyl vinyl ether polymers containing a lactam functionality 失效
标题翻译：含有内酰胺官能团的烷基乙烯基醚聚合物
公开(公告)号：US4980419A
公开(公告)日：1990-12-25
申请号：US374701
申请日：1989-07-03
申请人： Ratan K. Chaudhuri
发明人： Ratan K. Chaudhuri
IPC分类号： C08F8/30
CPC分类号： C08F8/30
摘要： The invention relates to polymers containing a lactam functionality and having in its molecule repeating units of the general formula: ##STR1## wherein R.sup.1 is C.sub.1 to C.sub.18 alkyl;R.sup.2 is oxygen, sulfur or amino;R.sup.3 is alkylene having 3 to 6 carbon atoms optionally substituted with lower alkyl;Z is hydrogen, an alkali metal, an alkaline earth metal or ammonia;n has a value of from 30 to 3,500 andt has a value of from 2 to 8;and to the use and synthesis of said polymer.
摘要翻译：本发明涉及含有内酰胺官能团并在其分子中具有以下通式的重复单元的聚合物：其中R 1为C 1至C 18烷基; R2是氧，硫或氨基; R3是任选被低级烷基取代的具有3至6个碳原子的亚烷基; Z是氢，碱金属，碱土金属或氨; n的值为30〜3,500，t的值为2〜8; 以及所述聚合物的使用和合成。

75. 发明授权

US4910247A Adhesive composition 失效
标题翻译：粘合剂组合物
公开(公告)号：US4910247A
公开(公告)日：1990-03-20
申请号：US329036
申请日：1989-03-27
申请人： Rama K. Haldar , Balgopal Gangadharan , Ratan K. Chaudhuri
发明人： Rama K. Haldar , Balgopal Gangadharan , Ratan K. Chaudhuri
IPC分类号： A61K6/00 , A61L24/06 , C08K5/098 , C09J107/00 , C09J129/00 , C09J129/10 , C09J133/02 , C09J135/08
CPC分类号： C08K5/098 , A61L24/06 , C09J129/10 , A61L2400/14
摘要： A composition containing an adhesive suitable for affixing dentures or ostomy devices to a mucous membrane, which adhesive is a mixture composed of(a) 75-25 wt. % of a blend comprising a divalent calcium salt and a monovalent sodium salt of a lower alkyl vinyl ether/maleic acid copolymer wherein the concentration of Ca is between about 10 and 15 wt. % of the blend; Na is between about 1.5 and about 4 wt. % of the blend and --COOH is between about 9 and about 25 wt. % of the blend;(b) 0-10 wt. % of a lower alkyl vinyl ether/maleic acid auxiliary metal salt wherein said metal is divalent magnesium and/or monovalent potassium and wherein said auxiliary metal represents between about 1.5 and about 15 wt. % of said auxiliary metal salt compound and(c) 25-75 wt. % of a stearic acid metal salt wherein said metal salt is magnesium stearate containing from 0% to about 75% sodium stearate.The invention also relates to the use of said composition as an adhesive used in association with mucous membranes.
摘要翻译：一种含有适于将假牙或造口术装置粘贴到粘膜上的粘合剂的组合物，该粘合剂是由（a）75-25wt。％的包含二价钙盐和低级烷基乙烯基醚/马来酸共聚物的一价钠盐的共混物，其中Ca的浓度为约10至15wt。％的混合物; Na为约1.5至约4wt。共混物和-COOH的％为约9至约25重量％。％的混合物; （b）0-10wt。％的低级烷基乙烯基醚/马来酸辅助金属盐，其中所述金属是二价镁和/或一价钾，并且其中所述辅助金属占约1.5至约15wt。％的所述辅助金属盐化合物和（c）25-75wt。％的硬脂酸金属盐，其中所述金属盐是含有0％至约75％硬脂酸钠的硬脂酸镁。本发明还涉及所述组合物作为与粘膜缔合使用的粘合剂的用途。

76. 发明授权

US4886890A Diquarternary nitrogen compounds 失效
标题翻译：二元氮化合物
公开(公告)号：US4886890A
公开(公告)日：1989-12-12
申请号：US250587
申请日：1988-09-29
申请人： Ratan K. Chaudhuri , David J. Tracy , Robert B. Login
发明人： Ratan K. Chaudhuri , David J. Tracy , Robert B. Login
IPC分类号： C07D207/26 , C07D207/263 , C07D211/76 , C07D223/10 , C07D225/02 , C07D227/087
CPC分类号： C07D207/263 , C07D211/76 , C07D223/10 , C07D225/02 , C07D227/087
摘要： This invention relates to quaternary compounds having the formula ##STR1## wherein W.sup.- is an anion; m and n are integers having a value of from 1 to 4; R is alkylene having from 3 to 8 carbon atoms; R.sub.1 is a radical having from 8 to 25 carbon atoms and is selected from the group of alkyl, alkenyl and alkoxy alkylene and each of R.sub.2, R.sub.3 and R.sub.4 is a radical having from 1 to 25 carbon atoms and is alkyl, alkoxy or ##STR2## where p has a value of from 1 to 4 and X is hydrogen or methyl. The invention also relates to the preparation and use of said diquaternized compounds.
摘要翻译：本发明涉及具有式“IMAGE”的季铵化合物，其中W-是阴离子; m和n是具有1至4的整数; R是具有3至8个碳原子的亚烷基; R1是具有8至25个碳原子的基团，并且选自烷基，烯基和烷氧基亚烷基，R2，R3和R4各自是具有1至25个碳原子的基团，并且是烷基，烷氧基或

77. 发明授权

US4808569A Fragrance additive 失效
标题翻译：香料添加剂
公开(公告)号：US4808569A
公开(公告)日：1989-02-28
申请号：US111311
申请日：1987-10-22
申请人： Ratan K. Chaudhuri , Michael W. Helioff , Robert B. Login
发明人： Ratan K. Chaudhuri , Michael W. Helioff , Robert B. Login
IPC分类号： A61K8/00 , A61K8/34 , A61K8/49 , A61Q5/02 , A61Q5/12 , A61Q9/02 , A61Q13/00 , A61Q15/00 , A61Q17/04 , A61Q19/00 , A61Q19/10 , C07D207/27 , C11B9/00 , C11D3/50 , D06M16/00 , A61K7/46
CPC分类号： A61K8/4913 , A61K8/347 , A61Q19/00 , C11B9/0092 , D06M16/00 , A61Q13/00 , A61Q15/00 , A61Q17/04 , A61Q19/10 , A61Q5/02 , A61Q5/12 , A61Q9/02
摘要： The invention relates to a quaternized fragrance extender having the formula ##STR1## wherein n is an integer having a value of from 1 to 3; R is alkylene containing from 3 to 6 carbon atoms and is optionally substituted with lower alkyl; R.sub.1 is alkyl containing from 8 to 22 carbon atoms; R.sub.2 and R.sub.3 are each independently alkyl containing from 1 to 22 carbon atoms and X.sup.- is an anion which quaternized compound is capable of complexing with volatile, odoriferous compounds of between 3 and 60 carbon atoms having an acidic hydrogen atom in its structure and to the complexed compound formed and the use of said complexed compound in perfume and other commercial products including cosmetics, cleaning agents, paints, soaps, deodorants, plastics and rubbers.
摘要翻译：本发明涉及一种具有下式的季铵化香料增量剂：其中n是1至3的整数; R是含有3至6个碳原子的亚烷基，任选被低级烷基取代; R1是含有8-22个碳原子的烷基; R2和R3各自独立地为含有1至22个碳原子的烷基，而X-是阴离子，其季铵化合物能与其结构中具有酸性氢原子的3至60个碳原子的挥发性有气味化合物络合，所形成的复合化合物以及所述复合化合物在香料和其它商业产品中的应用，包括化妆品，清洁剂，油漆，肥皂，除臭剂，塑料和橡胶。

78. 发明授权

US4719287A Higher alkyl pyrrolidone extractants for water soluble phenolic or carboxylic antibiotics 失效
标题翻译：用于水溶性酚类或羧基抗生素的高级烷基吡咯烷酮萃取剂
公开(公告)号：US4719287A
公开(公告)日：1988-01-12
申请号：US13839
申请日：1987-02-12
申请人： Robert B. Login , Ratan K. Chaudhuri
发明人： Robert B. Login , Ratan K. Chaudhuri
IPC分类号： A61K31/43 , A01N25/04 , A01N25/14 , A61K31/545 , A61K31/65 , A61K31/70 , A61K35/00 , A61K35/74 , C07D207/26 , C07D309/10 , C07D499/00 , C07H15/24 , C07K20060101 , C07K5/12 , C11D1/58 , C11D3/32 , C12P20060101 , C12P1/00 , C12P17/06 , C12P19/56 , C12P29/00 , C12P35/00 , C12P37/00 , C07D407/00
CPC分类号： C11D3/32 , A01N25/04 , A01N25/14 , C07D499/00 , C11D1/58 , Y10S435/803
摘要： The extraction of water soluble antibiotics containing a phenolic or carboxylic group from an aqueous solution or fermentation broth using a N--C.sub.8 --C.sub.14 alkyl pyrrolidone extractant and the process involving the extraction of said antibiotic.
摘要翻译：使用N-C8-C14烷基吡咯烷酮萃取剂从水溶液或发酵液中提取含有酚或羧基的水溶性抗生素和涉及提取所述抗生素的方法。

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