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| Number | Title | Issue Date |
| 8039558 | Polymer composition with elastomeric properties at wide temperature ranges and process for the preparation thereof It is depicted a polymer composition with elastomeric properties at wide temperature ranges of the type comprising polymers and/copolymers resulting from substituted or unsubstituted vinyl aromatic monomers and from dienic monomers, which is homogeneous and compatib... | 10/18/2011 |
| 7989551 | Pseudo-block copolymers and process employing chain shuttling agent A process for the polymerization of one or more addition polymerizable monomers to form a copolymer comprising multiple regions or segments of differentiated polymer composition or properties comprising contacting an addition polymerizable monomer or mixture of mono... | 08/02/2011 |
| 7347947 | Methods for filtrating and producing polymer solution, and for preparing solvent A cellulose acetate solution is filtrated with a filter medium formed of cellulose fiber. Hydroxyl groups on the filter medium are substituted to other functional groups. An acidic material is added to the cellulose acetate solution, and the filtration is preformed.... | 03/25/2008 |
| 7285597 | Radical polymerization processes for preparing halogenated polymers, and halogenated polymers Radical polymerization process for the preparation of halogenated polymers employing one or more ethylenically unsaturated monomers, at least one of which is chosen from halogenated monomers, molecular iodine and one or more radical-generating agents chosen from dia... | 10/23/2007 |
| 7282537 | Propylene-based polymer, polypropylene resin composition, and injection molded article Disclosed is a propylene-based polymer including from 51 to 75% by weight of a propylene-ethylene random copolymer component (A) having an intrinsic viscosity [η]A, measured in tetralin at 135° C., of 5 dl/g or more and an ethylene content of not less t... | 10/16/2007 |
| 7238819 | Process for preparing isobutylene-based polymers This invention relates to a metal organic compound, a catalytic composition comprising said metal organic compound, a process for homo- or co-polymerizing isoolefines in the presence of said metal organic compound and a method of stabilizing a compound of the genera... | 07/03/2007 |
| 7196140 | Highly flowable propylene block copolymers The invention relates to highly flowable propylene block copolymers that comprise 50 to 80 wt.-% of a propylene homopolymer and 10 to 70 wt.-% of a propylene copolymer having 5 to 50 wt.-% of a C2–C8 alk-1-ene polymerized into it that is diff... | 03/27/2007 |
| 7169866 | Process for preparing homopolymers, copolymers and/or block copolymers by living polymerization with metallocenes having a donor-acceptor interaction The present invention relates to a process for preparing homopolymers, copolymers and/or block copolymers of 1-olefins by living polymerization, to the use of the homopolymers, copolymers and/or block copolymers obtained for producing high-value materials and to the... | 01/30/2007 |
| 7122604 | Modified propylene polymer, composition containing the same and use thereof This invention provides a graft modified polypropylene polymer which does not contain halogens, is excellent in certain properties such as solubility and can add good adhesiveness and coating ability to crystalline propylene polymer base materials, and a composition... | 10/17/2006 |
| 7091281 | Curable coating composition A curable coating composition is provided which comprises an acrylic resin having an epoxy group and a hydroxyl group in the side chain (A) and a compound having an amino group (B). The composition may further comprise a silane compound having an epoxy group or an a... | 08/15/2006 |
| 7081543 | Bridged biscyclopentadienyl ligands and method of preparation The present invention relates to ligands and the synthesis of those ligands for use in metallocene complexes. More particularly, the present invention relates to the synthesis of diarylsilyl bridged biscyclopentadienes using diarylsilyldisulfonates. Even more partic... | 07/25/2006 |
| 7067591 | Block copolymers and process for their preparation A block copolymer having structural formula A-B or A-B-A, wherein A is a crystallizable isotactic polypropylene block segment and B is an amorphous olefin elastomeric block segment; the novel crystallizable block copolymer may be used as it is as a molding material,... | 06/27/2006 |
| 7067588 | Building element Building element having two parallel welded wire grid mats (1, 2), of straight web wires (7) which hold the wire grid mats at a predetermined distance apart and are joined at each end to the two wire grid mats. An insulating body (8) is arranged... | 06/27/2006 |
| 7053156 | Process for hydrogenating block copolymers 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 s... | 05/30/2006 |
| 7026404 | Articles made from blends made from propylene ethylene polymers Articles made from polymer blend compositions of a first polymer component comprising an ethylene propylene copolymer and a second polymer component comprising an isotactic polypropylene copolymer. The first polymer component has a uniform distribution of both tacti... | 04/11/2006 |
| 7026405 | Blends made from propylene ethylene polymers Polymer blend compositions of a first polymer component comprising an ethylene propylene copolymer and a second polymer component comprising an isotactic polypropylene copolymer. The first polymer component has a uniform distribution of both tacticity and comonomer ... | 04/11/2006 |
| 7026406 | Syndiotactic styrene polymers and process for the production thereof A syndiotactic styrenic polymer having a narrow molecular weight distribution which is a (co)polymer comprising at least one structural unit represented by the following Formula (1): wherein C1 of a phenyl g... | 04/11/2006 |
| 7019082 | Polymers, supersoft elastomers and methods for preparing the same Embodiments of the present invention include a material comprising a polymer having a modulus of elasticity less than 105 Pa and a material comprising a polymer having a modulus of elasticity of less than 5×104 Pa. Embodiments also include a m... | 03/28/2006 |
| 6992157 | Synthetic polyisoprenes and a process for their preparation The present invention provides synthetic polyisoprenes having a high cis-1,4 linkage content and a process for their preparation. The synthetic polyisoprenes according to the invention have a cis-1,4 linkage content, measured by carbon-13 nuclear magnetic resonance ... | 01/31/2006 |
| 6927258 | Elastic blends comprising crystalline polymer and crystallizable polymers of propylene Improved thermoplastic polymer blend compositions comprising an isotactic polypropylene component and an alpha-olefin and propylene copolymer component, said copolymer comprising crystallizable alpha-olefin sequences. In a preferred embodiment, improved thermoplasti... | 08/09/2005 |
| 6921794 | Blends made from propylene ethylene polymers Polymer blend compositions of a first polymer component comprising an ethylene propylene copolymer and a second polymer component comprising an isotactic polypropylene copolymer. The first polymer component has a uniform distribution of both tacticity and comonomer ... | 07/26/2005 |
| 6916886 | Propylene block copolymer To provide a propylene based block copolymer that, when used as a molding material, exhibits an extremely good stiffness-impact resistance balance and has good heat resistance and excellent moldability, and therefore, in molding, good appearance is revealed. ... | 07/12/2005 |
| 6861484 | Amphipathic polymer particles and methods of manufacturing the same The invention is directed to amphipathic polymeric particles that serve as both the dispersant and the binder in water based inks, ink compositions containing these particles, and methods for making the particles. The polymeric particles contain both hydrophilic and... | 03/01/2005 |
| 6855769 | Thermoplastic styrenic resin composition The present invention relates to a thermoplastic styrenic resin composition comprises a styrenic copolymer comprising 15-100 parts by weight of a unit derived from a styrenic monomer (i-1), 0-45 parts by weight of a unit derived from a vinyl cyanide monomer (i-2), 0... | 02/15/2005 |
| 6803422 | Cross-copolymerized olefin/aromatic vinyl compound/diene copolymer and process for its production A highly uniform vinyl compound polymer-cross-copolymerized olefin/styrene/diene copolymer excellent in processability, mechanical properties, high temperature properties, compatibility and transparency, and its composition and a process for its production, are prov... | 10/12/2004 |
| 6747098 | Arborescent thermoplastic elastomers and products therefrom The present invention provides highly branched block copolymers comprising branched soft segments with a low glass-transition temperature (Tg) and hard segments with a high Tg or crystalline melting point that exhibit thermoplastic elastomeric ... | 06/08/2004 |
| 6730744 | Method for copolymerization and resulting copolymers The invention concerns a method for preparing block copolymers comprising steps which consist in: polymerising a first monomer using an organolanthanide catalyst wherein said catalyst in the form of a hydride complex of a trivalent metal from the group of rare earth... | 05/04/2004 |
| 6713565 | Golf ball It has been unexpectedly discovered that cis-1,4-polybutadiene that is synthesized utilizing Zeigler-Natta catalyst systems has superior characteristics for utilization in solid golf ball cores if the polymerization is terminated utilizing a carboxylic acid of the s... | 03/30/2004 |
| 6713228 | Ether monomers and polymers having multi-ring structures, and photosensitive polymers and resist compositions obtained from the same Provided are alkenyl ether-based monomers having multi-ring structure, and photosensitive polymers and resist compositions obtained from the same. The photosensitive polymer includes a monomer unit represented by the following formula: | 03/30/2004 |
| 6682809 | Method for preparing a multi-layered polymeric composite and a multi-layered composite produced thereby The present invention relates to: a method of preparing a capstock layer that includes a comb copolymer; a method of preparing a multi-layered polymeric composite, one layer of which is a capstock layer; and a capstock layer and a multi-layered composite ... | 01/27/2004 |
| 6576722 | Acrylic-halogenated polyolefin copolymer adhesion promoters The present invention is directed to a method for producing a copolymer and a copolymer product of the method. The copolymer is prepared by a controlled radical polymerization process, typically an atom transfer radical polymerization process, in which po... | 06/10/2003 |
| 6566453 | Cross-copolymerized olefin/aromatic vinyl/diene copolymer and process for producing the same A highly uniform vinyl compound polymer-cross-copolymerized olefin/styrene/diene copolymer excellent in processability, mechanical properties, high temperature properties, compatibility and transparency, and its composition and a process for its productio... | 05/20/2003 |
| 6566463 | Multifunctional metallic coagents This invention provides the multifunctional coagents of the metallic salt of unsaturated carboxylic acid that obtained by the reaction from two mols of mono-basic acid and two mols of di-basic acid as an unsaturated carboxylic acid, and three mols of diva... | 05/20/2003 |
| 6559234 | Cross-copolymerized olefin/styrene/diene copolymer, process for the production of the same and uses thereof The present invention firstly provides a novel olefin/styrene/diene type cross-copolymer having excellent physical properties and mechanical properties, and a novel, efficient and economically excellent process for its production. Further, it provides an ... | 05/06/2003 |
| 6518379 | Method of producing rubber compositions in styrene solutions with sterically superior chelate catalysts In a process for polymerizing dienes in a solvent comprising vinylaromatic monomers, the polymerization is carried out in the presence of a metal compound of Ti, Zr, Hf, V, Nb, Ta, Cr, Mo or W as catalyst and a Lewis acid as cocatalyst and, if desired, an... | 02/11/2003 |
| 6462114 | Microgels and process for their preparation A process for forming a microgel which comprises a crosslinked core and a multiplicity of linear polymeric arms attached to the core, wherein the process comprises (a) first forming a halogen atom terminated prepolymer with a weight average molecular weig... | 10/08/2002 |
| 6376614 | Ethylene copolymer and aromatic vinyl graft copolymer and method for producing the same The present invention provides resin materials endowed with excellent heat resistance, solvent resistance, tensile elongation, toughness, and transparency. Specifically, there are provided an ethylene copolymer having a vinyl group attributed to a diene m... | 04/23/2002 |
| 6316546 | Ethylene polymer film resins A class of relatively high molecular weight, high density ethylene polymers (HMW-HDPE) is disclosed capable of being formed into thin films of high strength, such polymers having a density of at least about 0.925 g/cc, a flow index (I21) no hig... | 11/13/2001 |
| 6313252 | Functionalized ethylene/vinyl or vinylidene aromatic interpolymers Novel substantially random functionalized interpolymers and processes for making them are disclosed. The novel interpolymers include those prepared from ethylene and vinyl aromatic monomers such as ethylene-styrene interpolymers which are then functionali... | 11/06/2001 |
| 6300434 | Propylene-ethylene copolymers made from three different constituents Propylene-ethylene copolymers obtainable by three-step polymerization from the gas phase in an agitated fixed bed by means of a Ziegler-Natta catalyst system which, in addition to a titanium-containing solid component, also contains, as cocatalyst, an alu... | 10/09/2001 |
