| Patent Number |
Title Of Patent |
Date Issued |
| RE39617 |
Butadiene polymers having terminal functional groups |
May 8, 2007 |
| Hydrogenated butadiene polymers having terminal functional groups have minimum viscosity at any molecular weight when the 1,2-addition is between 30% and 70% Hydrogenated butadiene polymers having about two terminal hydroxyl groups per molecule have surprisingly lower viscosities at |
| RE39559 |
Butadiene polymers having terminal functional groups |
April 10, 2007 |
| Hydrogenated butadiene polymers having terminal functional groups have minimum viscosity at any molecular weight when the 1,2-addition is between 30% and 70%. Hydrogenated butadiene polymers having about two terminal hydroxyl groups per molecule have surprisingly lower viscosities at |
| H826 |
Lubricant compositions containing a viscosity index improver having dispersant properties |
October 2, 1990 |
| The present invention relates to a lubricant composition containing a minor amount of a thermally stable moldified selectively hydrogenated alkenyl arene/conjugated diene copolymer wherein an amide functional group is grafted to the block copolymer primarily in the alkenyl arene blocks |
| H815 |
Lubricant composition containing a viscosity index improver having dispersant properties |
September 4, 1990 |
| The present invention relates to a lubricant composition containing a minor amount of a thermally stable modified selectively hydrogenated alkenyl arene/conjugated diene copolymer wherein a primary or secondary amine functional group is grafted to the block copolymer primarily in the |
| H790 |
Modified block copolymers |
June 5, 1990 |
| The present invention relates to a thermally stable modified selectively hydrogenated alkenyl arene/conjugated diene copolymer wherein a primary or secondary amine functional group is grafted to the block copolymer primarily in the alkenyl arene blocks thereof. |
| H731 |
Blends of thermoplastic polymers and modified block copolymers |
February 6, 1990 |
| The present invention relates to polymer composition containing a thermoplastic polymer containing a primary or secondary amine and a thermally stable modified selectively hydrogenated alkenyl arene/conjugated diene copolymer wherein an amide functional group is grafted to the block |
| H724 |
Blends of thermoplastic polymers and modified block copolymers |
January 2, 1990 |
| The present invention relates to a polymer composition containing a condensation polymer and a thermally stable modified selectively hydrogenated alkenyl arene/conjugated diene copolymer wherein a primary or secondary amine functional group is grafted to the block copolymer primarily |
| H1485 |
High impact resistant blends of thermoplastic polyamides and modified triblock copolymers |
September 5, 1995 |
| A super-toughened multiphase thermoplastic composition is provided by incorporating at least one functionalized, selectively hydrogenated alkenyl arene/conjugated diene block copolymer to which has been grafted an effective amount of carboxyl functional groups primarily in the alkenyl |
| 7625979 |
Process for preparing block copolymer and resulting composition |
December 1, 2009 |
| Lithium-terminated polymers of one or more conjugated dienes and of one or more mono alkenyl arenes are coupled by reaction with an alkoxy silane coupling agent having the formula R.sub.x--Si--(OR').sub.y, where x is 0 or 1, x+y=4, R and R' are the same or different, R is selected from a |
| 7592390 |
Hydrogenated block copolymer compositions |
September 22, 2009 |
| The present invention relates to novel compositions comprising (a) anionic block copolymers of mono alkenyl arenes and conjugated dienes, and (b) tailored softening modifiers have a particular polydispersity index that results in a surprising improvement in properties for the composition |
| 7585916 |
Block copolymer compositions |
September 8, 2009 |
| The present invention relates to novel compositions comprising (a) anionic block copolymers of mono alkenyl arenes and conjugated dienes where one of the blocks is a controlled distribution copolymer of a conjugated diene and mono alkenyl arene having a specific arrangement of the mo |
| 7582702 |
Block copolymer compositons |
September 1, 2009 |
| The present invention relates to novel compositions comprising (a) anionic block copolymers of mono alkenyl arenes and conjugated dienes where one of the blocks is a controlled distribution copolymer of a conjugated diene and mono alkenyl arene having a specific arrangement of the mo |
| 7550537 |
Organo-dilithium compound and process for preparing the same |
June 23, 2009 |
| Disclosed is an anionic diinitiator prepared using a diisopropenyl benzene compound and an organo lithium compound having primary polymerization sites. The anionic diinitiators are prepared by admixing a diisopropenyl benzene compound with diethyl ether, ethylene, an organo lithium c |
| 7449518 |
High temperature block copolymers and process for making same |
November 11, 2008 |
| A novel process for preparation of block copolymers containing, for example, alpha-methyl-styrene/styrene glassy blocks is claimed, where the glassy blocks contain 25-50 mol % alpha-methyl-styrene and have Tg values in the range of 120 to 140.degree. C. The copolymerization process, whic |
| 7332542 |
Block copolymers and method for making same |
February 19, 2008 |
| The present invention is a novel block copolymer containing a controlled distribution copolymer block of a conjugated diene and a mono alkenyl arene, where the controlled distribution copolymer block has terminal regions that are rich in conjugated diene units and a center region that |
| 7285596 |
Anionic polymerization diinitiator and process for preparing same |
October 23, 2007 |
| Disclosed is an anionic diinitiator prepared using a diisopropenyl benzene compound and an organo lithium compound having primary polymerization sites. The anionic diinitiators are prepared by admixing a diisopropenyl benzene compound with diethyl ether, ethylene, an organo lithium c |
| 7282536 |
Block copolymers and method for making same |
October 16, 2007 |
| The present invention is a novel block copolymer containing a controlled distribution copolymer block of a conjugated diene and a mono alkenyl arene, where the controlled distribution copolymer block has terminal regions that are rich in conjugated diene units and a center region that |
| 7244785 |
Block copolymers and method for making same |
July 17, 2007 |
| The present invention is a novel block copolymer containing a controlled distribution copolymer block of a conjugated diene and a mono alkenyl arene, where the controlled distribution copolymer block has terminal regions that are rich in conjugated diene units and a center region that |
| 7223816 |
Solvent-free, hot melt adhesive composition comprising a controlled distribution block copolymer |
May 29, 2007 |
| A novel solvent-free, hot melt adhesive composition suitable for bonding a polar leather layer to a non-polar substrate is claimed. The composition comprises a block copolymer having at least one mono alkenyl arene polymer block and at least one controlled distribution copolymer block of |
| 7220798 |
Process for preparing block copolymer and resulting composition |
May 22, 2007 |
| Lithium-terminated polymers of one or more conjugated dienes and of one or more mono alkenyl arenes are coupled by reaction with an alkoxy silane coupling agent having the formula R.sub.x--Si--(OR').sub.y, where x is 0 or 1, x+y=4, R and R' are the same or different, R is selected from a |
| 7169850 |
Block copolymers and method for making same |
January 30, 2007 |
| The present invention is a novel block copolymer containing a controlled distribution copolymer block of a conjugated diene and a mono alkenyl arene, where the controlled distribution copolymer block has terminal regions that are rich in conjugated diene units and a center region that |
| 7169848 |
Block copolymers and method for making same |
January 30, 2007 |
| The present invention is a novel block copolymer containing a controlled distribution copolymer block of a conjugated diene and a mono alkenyl arene, where the controlled distribution copolymer block has terminal regions that are rich in conjugated diene units and a center region that |
| 7166679 |
Conjugated diene polymers and copolymer blocks having high vinyl content prepared using mixed mi |
January 23, 2007 |
| Disclosed is a process for preparing polymers and copolymer blocks of conjugated dienes with high amounts of branching, commonly referred to as vinyl content, comprising the use of at least two microstructure control agents. One of the microstructure control agents can be a bulk micr |
| 7141621 |
Gels from controlled distribution block copolymers |
November 28, 2006 |
| The present invention relates to gels prepared from novel anionic block copolymers of mono alkenyl arenes and conjugated dienes, and to blends of such block copolymers with other polymers. The block copolymers are selectively hydrogenated and have mono alkenyl arene end blocks and co |
| 7138456 |
Block copolymers and method for making same |
November 21, 2006 |
| The present invention is a novel block copolymer containing a controlled distribution copolymer block of a conjugated diene and a mono alkenyl arene, where the controlled distribution copolymer block has terminal regions that are rich in conjugated diene units and a center region that |
| 7125940 |
Conjugated diene polymers and copolymer blocks and process for preparing same |
October 24, 2006 |
| Disclosed is a process for preparing polymers and copolymer blocks of conjugated dienes with varying amounts of branching comprising the use of a microstructure control agent and a microstructure control agent deactivant. The polymerization can be started with or without a microstruc |
| 7067589 |
Block copolymers and method for making same |
June 27, 2006 |
| The present invention is a novel block copolymer containing a controlled distribution copolymer block of a conjugated diene and a mono alkenyl arene, where the controlled distribution copolymer block has terminal regions that are rich in conjugated diene units and a center region that |
| 7001950 |
Tetrablock copolymer and compositions containing same |
February 21, 2006 |
| Disclosed is a novel tetrablock copolymer having the general configuration of A1-B1-A2-B2, where the A1 and A2 blocks are mono alkenyl arene and the B1 and B2 blocks are blocks of hydrogenated butadiene, having a 1,2-vinyl content of between 25% and 60%. The blocks have well defined mole |
| 6987142 |
Adhesives and sealants from controlled distribution block copolymers |
January 17, 2006 |
| The present invention relates to adhesives and sealants prepared from novel anionic block copolymers of mono alkenyl arenes and conjugated dienes, and to blends of such block copolymers with other polymers. The block copolymers are selectively hydrogenated and have mono alkenyl arene |
| 6759454 |
Polymer modified bitumen compositions |
July 6, 2004 |
| The present invention is a polymer modified bituminous composition having improved phase stability, heat aging and viscosity characteristics. The bituminous compositions are blends comprising bitumen and from about 0.5 to about 25% of a novel anionic block copolymer where one of the bloc |
| 6730745 |
Process for coupling styrenic block copolymers |
May 4, 2004 |
| Disclosed is a process for coupling styrenic block copolymers comprising admixing vinyl cyclohexene dioxide with a living block copolymer comprising at least one block of polymerized vinyl aromatic hydrocarbon monomers and at least one block of polymerized conjugated diene monomers, |
| 6699941 |
Block copolymer |
March 2, 2004 |
| The present invention relates to selectively hydrogenated block copolymers where one of the blocks is a random copolymer of a mono-alkenyl arene monomer, such as styrene, and a 1,3-cyclodiene monomer, such as 1,3-cyclohexadiene, and one of the other blocks is a hydrogenated polymer o |
| 5612435 |
Terminally functionalized polymers produced using protected functional initiators |
March 18, 1997 |
| The anionic polymerization of unsaturated monomers with functionalized initiators having the structure R.sup.1 R.sup.2 R.sup.3 Si--O--A'--Li is improved by selecting A' from the structures --CH.sub.2 --CH.sub.2 --CH.sub.2 -- (1,3-propyl), --CH.sub.2 --CH(CH.sub.3)--CH.sub.2 -- (2-met |
| 5599879 |
Modified radial polymers |
February 4, 1997 |
| A super-tough polymeric composition comprising an engineering thermoplastic and a modified radial polymer. The engineering thermoplastic is selected from the group consisting of polyamides, thermoplastic polyesters, polyphenylene ether resins, polyarylene sulfide resins, polysulfone and |
| 5597872 |
Hydrogenation of polymers having ketone groups |
January 28, 1997 |
| Polymers containing ketone groups such as hydroesterified 1,3-butadiene polymers, including styrenic block copolymers, are hydrogenated with a cobalt/aluminum catalyst which substantially converts ketone groups to alcohol groups and improves polymer stability. |
| 5594072 |
Liquid star polymers having terminal hydroxyl groups |
January 14, 1997 |
| Star polymers of isoprene or butadiene having terminal hydroxyl groups have reduced viscosity when the hydroxyl groups are located on polymeric arms that are grown from the core of the star molecules. The polymers are useful in making coatings, sealants, and binders. |
| 5521254 |
Hydrogenation of polymers having ketone groups |
May 28, 1996 |
| Polymers containing ketone groups such hydroesterified 1,3-butadiene polymers, including styrenic block copolymers, are hydrogenated with a cobalt/aluminum catalyst which substantially converts ketone groups to alcohol groups and improves polymer stability. |
| 5516831 |
Selectively sulfonated block copolymers/extender oils |
May 14, 1996 |
| Blends of a sulfonated thermoplastic block polymer and a compatible extender oil are described. The block copolymer is first selectively hydrogenated and thereafter modified by grafting sulfonic acid containing functional groups primarily in the alkenyl arene blocks. Neutralization of |
| 5428114 |
Randomly epoxidized small star polymers |
June 27, 1995 |
| An epoxidized diene star polymer having greater than 4 arms and comprising from 0.05 to 5 Meq of di-, tri- and tetra-substituted olefinic epoxides and the molecular weights of the arms are from 1,500 to 15,000. |
| 5418296 |
Capping of anionic polymers with oxetanes |
May 23, 1995 |
| Living anionic polymers of unsaturated monomers are conveniently capped with oxetane or an alkyl substituted oxetane to provide terminal primary hydroxyl groups. The hydroxyl capped polymers are useful in making coatings, sealants, binders, and block copolymers with polyesters, polya |
| 5416168 |
Protected functional initiators for making terminally functionalized polymers |
May 16, 1995 |
| The anionic polymerization of unsaturated monomers with functionalized initiators having the structure R.sup.1 R.sup.2 R.sup.3 Si--O--A'--Li is improved when each R is methyl and A' is --CH.sub.2 --C.sub.6 H.sub.10 --CH.sub.2 -- or --CH.sub.2 --CR'R"--CH.sub.2 -- wherein R' is a linear |
| 5405911 |
Butadiene polymers having terminal functional groups |
April 11, 1995 |
| Hydrogenated butadiene polymers having terminal functional groups have minimum viscosity at any molecular weight when the 1,2-addition is between 30% and 70% Hydrogenated butadiene polymers having about two terminal hydroxyl groups per molecule have surprisingly lower viscosities at 30% |
| 5393843 |
Butadiene polymers having terminal functional groups |
February 28, 1995 |
| Hydrogenated butadiene polymers having terminal functional groups have minimum viscosity at any molecular weight when the 1,2-addition is between 30% and 70%. Hydrogenated butadiene polymers having about two terminal hydroxyl groups per molecule have surprisingly lower viscosities at 30% |
| 5391663 |
Protected functional initiators for making terminally functionalized polymers |
February 21, 1995 |
| The anionic polymerization of unsaturated monomers with functionalized initiators having the structure R.sup.1 R.sup.2 R.sup.3 Si--O--A'--Li is improved by selecting A' from the structures --CH.sub.2 --CH.sub.2 --CH.sub.2 --(1,3-propyl), --CH.sub.2 --CH(CH.sub.3)--CH.sub.2 --(2-methy |
| 5391637 |
Capping of anionic polymers with oxetanes |
February 21, 1995 |
| Living anionic polymers of unsaturated monomers are conveniently capped with oxetane or an alkyl substituted oxetane to provide terminal primary hydroxyl groups. The hydroxyl capped polymers are useful in making coatings, sealants, binders, and block copolymers with polyesters, polya |
| 5387649 |
Polymer production |
February 7, 1995 |
| Novel metallated polyolefins are produced by contacting a polyolefin having a vinylidene group in the terminal portion with organoalkali metal compound in the presence of alkali metal t-alkoxide or tertiary amine. The metallated polyolefin is used to initiate the polymerization of po |
| 5376745 |
Low viscosity terminally functionalized isoprene polymers |
December 27, 1994 |
| The anionic polymerization of isoprene with monolithium initiators and functionalized initiators having the structure R.sup.1 R.sup.2 R.sup.3 Si--O--A'--Li wherein R.sup.1, R.sup.2, and R.sup.3 are preferably alkyl, alkoxy, aryl, or alkaryl groups having from 1 to 10 carbon atoms, and A' |
| 5364911 |
Production of alkali metallated olefin polymers |
November 15, 1994 |
| Novel metallated polyolefins are produced by contacting a polyolefin having a vinylidene group in the terminal portion with organoalkali metal compound in the presence of alkali metal t-alkoxide or tertiary amine. The metallated polyolefin is used to initiate the polymerization of po |
| 5278245 |
Thermoplastic elastomers |
January 11, 1994 |
| Block copolymers of particular structure comprising blocks of polymerized alkenyl aromatic compound and polymerized conjugated alkadiene, as well as selectively hydrogenated derivatives thereof, are functionalized by the presence of additional polar blocks of polymerized alkyl methacryla |
| 5247026 |
Randomly epoxidized small star polymers |
September 21, 1993 |
| An epoxidized diene star polymer having greater than 4 arms and comprising from 0.05 to 5 Meq of di-, tri- and tetra-substituted olefinic epoxides and the molecular weights of the arms are from 1,500 to 15,000. |
