| 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 |
| 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 |
| 7592381 |
Process for preparing a bituminous binder composition |
September 22, 2009 |
| The present invention is directed to a process for preparing a polymer modified bituminous binder composition in the substantial absence of crosslinking agents by heating a bitumen component in a stirred tank to a temperature from 185.degree. C. to 221.degree. C.; adding a block copo |
| 7589152 |
Adhesive formulations for novel radial (S-I/B)x polymers |
September 15, 2009 |
| The invention relates to an adhesive composition comprising (i) one or more styrenic block copolymer compositions, (ii) a tackifier resin, and (iii) one or more plasticizers, wherein said styrenic block copolymer composition comprises: a. a tetra-branched block copolymer (IV) represe |
| 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 |
| 7576148 |
Blown asphalt compositions |
August 18, 2009 |
| A process for preparing compatible, selectively hydrogenated block copolymer-modified bituminous compositions comprising blowing a mixture of the block copolymer and bitumen with an oxidizing gas at temperatures of at least 375.degree. C. for at least 75 minutes. The modifying polymer |
| 7569281 |
Flexible packaging laminate films including a block copolymer layer |
August 4, 2009 |
| What is claimed is a flexible packaging film having improved toughness without compromise of other physical properties. The flexible packaging film is a laminate of at least two film layers of a polyolefin and at least one film layer of a block copolymer. The block copolymer employed |
| 7560512 |
Adhesive compositions comprising mixtures of block copolymers |
July 14, 2009 |
| The present invention relates to adhesive compositions that comprise: i. at least one block copolymer (i)(a) of the formula A-I-A (1) or (A-I).sub.nX (2) and at least one block copolymer (i)(b) of the formula A-(I-B)-A (3) or [A-(I/B)].sub.n-X (4), wherein each A independently is a p |
| 7560503 |
Gels from high molecular weight block copolymers |
July 14, 2009 |
| The present invention relates to gels prepared from novel anionic block copolymers of aromatic vinyl compounds and conjugated dienes. The block copolymers include a high molecular weight linear and/or radial block copolymer component (SBC1 and/or SBC2), and a diblock component (E1). The |
| 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 |
| 7517932 |
Poly(styrene-butadiene-styrene)polymers having a high vinyl content in the butadiene block and h |
April 14, 2009 |
| The present invention provides a poly(styrene-butadiene-styrene) polymer having a high vinyl content in the butadiene block. The polymer also has a polystyrene content from 15% to 20% by weight; a coupling efficiency from 50 to 80%; a styrene block molecular weight from 9,000 to 10,000 |
| 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 |
| 7439301 |
Block copolymers having high flow and high elasticity |
October 21, 2008 |
| Disclosed is an elastomeric hydrogenated block copolymer capable of being directly extruded or molded with a minimum of additives and having both high elasticity and low permanent set. The hydrogenated block copolymers have high melt flows allowing for ease in processing the hydrogenatio |
| 7402619 |
Cross-linking compositions for polymer-modified asphalt compositions |
July 22, 2008 |
| The present invention relates to a bituminous composition comprising a bituminous component, an elastomeric polymer component, and a specific cross-linking composition component comprising elemental sulfur, a sulfur-containing derivative, a sulfur activator, a fatty acid or fatty aci |
| 7390856 |
Method for making selectively hydrogenated block copolymers of vinyl aromatic hydrocarbons and c |
June 24, 2008 |
| Disclosed is a method for making selectively hydrogenated block copolymers of vinyl aromatic hydrocarbons and conjugated dienes comprising: a) anionically polymerizing vinyl aromatic hydrocarbons and conjugated dienes to produce block copolymers with living chain ends; b) terminating |
| 7348376 |
Adhesive composition |
March 25, 2008 |
| Disclosed is an adhesive comprising an admixture of a high vinyl selectively hydrogenated block copolymer and an amorphous polyolefin. The high vinyl content of the block copolymer results in a more compatible admixture which in turn results in an adhesive that can be more easily pro |
| 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 |
| 7307124 |
Hot-melt adhesive composition for non-wovens |
December 11, 2007 |
| Hot-melt adhesive compositions used in non-woven assemblies, comprising: (a) 100 parts by weight of a block copolymer of the formula S-(I/B)-S, wherein S represents a predominantly poly(styrene) block and (I/B) represents a polymer block obtained by at random copolymerization of a mi |
| 7304113 |
Method for partially and selectively hydrogenating polymers made of conjugated dienes |
December 4, 2007 |
| The invention relates to a method for partially and selectively hydrogenating a polymer made of at least a conjugated diene monomer having a vinyl content of from 20 to 65%, comprising a hydrogenation step on a solution of the polymer, characterized in that the hydrogenation step is |
| 7297741 |
Pressure sensitive adhesives from high molecular weight block copolymers having a high fraction |
November 20, 2007 |
| The present invention relates to pressure sensitive adhesive compositions prepared from novel anionic block copolymers of aromatic vinyl compounds and conjugated dienes. The block copolymers are a mixture of a high molecular weight linear and/or radial block copolymer component (SBC1 |
| 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 |
| 7271207 |
Bituminous composition |
September 18, 2007 |
| A bituminous composition which comprises a bituminous component and a block copolymer which comprises at least two blocks of a conjugated diene and at least two blocks of a monovinylaromatic hydrocarbon, being of the general formula: S.sub.1--B.sub.1--S.sub.2--B.sub.2 wherein B.sub.1 is |
| 7268184 |
Blockcopolymer compositions, having improved mechanical properties and processability and styren |
September 11, 2007 |
| A composition to be used for the manufacture of fibers, filaments, melt blown or spun bond non-wovens or cast or blown films, comprising at least 50 wt % of a styrenic block copolymer; a polyolefin in an amount of from 10 to 30 wt %; a resin which is compatible with the poly(styrene) blo |
| 7267855 |
Articles prepared from hydrogenated controlled distribution block copolymers |
September 11, 2007 |
| The present invention relates to articles 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 |
| 7262248 |
Articles prepared from high molecular weight tetrablock copolymers |
August 28, 2007 |
| The present invention relates to articles prepared from novel anionic block copolymers of mono vinyl aromatics and conjugated dienes, and to blends of such block copolymers with other polymers. The block copolymer may be blended with at least one other polymer selected from the group |
| 7247664 |
Bituminous composition with improved `walk-on-ability` and its use in roofing applications |
July 24, 2007 |
| Disclosed is a bituminous composition that comprises a bituminous component (A), an elastomer component (B), preferably a block copolymer of a conjugated diene and a monovinylaromatic hydrocarbon, and an additive (C), wherein the additive is a compound of the general formula Ar--R--A |
| 7241540 |
Photocurable compositions and flexographic printing plates comprising the same |
July 10, 2007 |
| The present invention relates to photocurable compositions for use in flexographic printing plates comprising selectively hydrogenated block copolymers of conjugated dienes and monoalkenyl arenes and flexographic printing plates made from the same. The block copolymers, either linear |
| 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 |
| 7186783 |
Process for preparaing partially hydrogenated butadiene polymers |
March 6, 2007 |
| The present invention relates to a process for preparing a partially hydrogenated butadiene polymer comprising no more than 3 mol % 1,2-butadiene-recurring units (A) and no more than 3 mol % ethylene recurring units (D), calculated on the total content mol/mol of recurring units, whe |
| 7186779 |
Block copolymer compositions, having improved mechanical properties and processability |
March 6, 2007 |
| A composition to be used for the manufacture of mono- or multilayer films for food-wrap applications comprising from 5 to 40 wt % of a styrenic block copolymer, a polyolefin in an amount of at least 40 wt % and optionally a resin which is compatible with the hydrogenated poly(butadie |
| 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 |
| 7166672 |
Gels from silane-coupled block copolymers |
January 23, 2007 |
| The present invention relates to gels prepared from novel anionic block copolymers of mono alkenyl arenas and conjugated dienes, and to blends of such block copolymers with such polymers. The block copolymers are selectively hydrogenated and have A polymer blocks and B polymer blocks |
| 7163968 |
UV curable pressure sensitive adhesives |
January 16, 2007 |
| UV curable adhesives are provided that comprise epoxidized monohydroxylated polydiene polymers, hydrogenated hydroxylated polydiene polymers, and selectively hydrogenated starblock copolymers. The adhesive formulations provide both excellent room temperature properties of tack and pe |
| 7148273 |
Bituminous composition with reduced gelation tendency |
December 12, 2006 |
| The present invention concerns a bituminous composition which comprises a bituminous component (I), a block copolymer (II), comprising at least two terminal blocks of a poly(monovinylaromatic hydrocarbon) and at least one block of a poly(conjugated diene), and optionally a filler (III), |
| 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 |
| 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 |
| 7053156 |
Process for hydrogenating block copolymers |
May 30, 2006 |
| Disclosed is a process for hydrogenating a block copolymer comprising admixing a block copolymer cement with hydrogen in the presence of a heterogeneous hydrogenation catalyst wherein the heterogeneous hydrogenation catalyst is a metal catalyst on a porous alumina support, the porous |
| 7048979 |
Articles prepared from high molecular weight/low coupled block copolymers |
May 23, 2006 |
| The present invention relates to articles prepared from novel anionic block copolymers of mono vinyl aromatics and conjugated dienes, and to blends of such block copolymers with other polymers. The block copolymer may be blended with at least one other polymer selected from the group |
| 7037976 |
Free flowing powder |
May 2, 2006 |
| The present invention relates to a free flowing powder composition with a particle size at most 800 .mu.m comprising: (a) 100 parts by weight of one or more styrenic block copolymers, at least one of which being a block copolymer (a1) comprising at least one block S having a glass tr |
| 7012118 |
Photopolymerizable compositions and flexographic plates prepared from controlled distribution bl |
March 14, 2006 |
| The present invention relates to a photopolymerizable composition, which comprises: (a) a block copolymer component comprising an unhydrogenated styrene diene block copolymer and a hydrogenated controlled distribution styrene diene block copolymer (b) one or more photopolymerizable |
| 7009000 |
Coupled styrenic block copolymers and process for preparing same |
March 7, 2006 |
| Disclosed is an improvement to a process for preparing coupled styrenic block copolymers wherein adding from about 0.01 to about 1.5 equivalents of a metal alkyl compound per equivalent of living polymer chain ends to the cement, during or after polymerization, improves coupling effi |
| 7001956 |
Articles prepared from hydrogenated block copolymers |
February 21, 2006 |
| The present invention relates to articles 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 |
| 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 |
| 6949593 |
Bituminous composition with improved `walk-on-ability` and its use in roofing applications |
September 27, 2005 |
| Disclosed is a bituminous composition that comprises a bituminous component (A), an elastomer component (B), preferably a block copolymer of a conjugated diene and a monovinylaromatic hydrocarbon, and an additive (C), wherein the additive is a compound of the general formulawherein each |
| 6903144 |
Non-aqueous solvent-free process for making UV curable adhesive and sealants from expodized mono |
June 7, 2005 |
| This invention is a process for making UV curable adhesives, sealants, coatings, ink, flexible printing plates, laminating adhesives, fibers, gaskets, and related compositions, films, and thin parts, wherein an epoxidized monohydroxylated polydiene polymer comprised of at least two d |
| 6867264 |
Process for removing residual silicon species from hydrocarbon solvents |
March 15, 2005 |
| Removing silicon species from hydrocarbon solvents such as cyclohexane. The process comprises contacting the hydrocarbon solvent with sulfuric acid in an amount sufficient to phase separate the silicon species and removing at least 20% by weight of the residual silicon species from the h |
