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Class Information
Number: 525/271
Name: Synthetic resins or natural rubbers -- part of the class 520 series > Synthetic resins (class 520, subclass 1) > Mixing of two or more solid polymers; mixing of solid polymer or sicp with sicp or spfi; mixing of sicp with an ethylenic agent; mixing of solid polymer with a chemical treating or ethylenic agent; or processes of forming or reacting; or the resultant product of any of the above operations > At least one solid polymer derived from ethylenic reactants only > Polymer derived from ethylenic reactants only mixed with ethylenic reactant > Including step of preparing a polymer in the presence of a specified material and in the absence of a preformed polymer derived from ethylenic reactant only > Specified material contains a group ia atom in elemental form or bonded to hydrogen or carbon
Description: Subject matter wherein the specified material contains a Group IA metal in elemental form, or is bonded to hydrogen or carbon, e.g., NaH, CH3
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7560503 |
Gels from high molecular weight block copolymers |
Jul. 14, 2009 |
| 7534833 |
Radial multi-block copolymer containing tapered block, and preparation method and usage thereof |
May. 19, 2009 |
| 7524899 |
Blends of styrene/butadiene block copolymers |
Apr. 28, 2009 |
| 7517934 |
Modified anionically polymerized polymers |
Apr. 14, 2009 |
| 7470746 |
Transparent mixtures of linear styrene-butadiene block copolymers |
Dec. 30, 2008 |
| 7459507 |
Method for the termination of anionic polymerization using phosphate ester/water mixture |
Dec. 2, 2008 |
| 7449518 |
High temperature block copolymers and process for making same |
Nov. 11, 2008 |
| 7408005 |
Hairy polymeric nanoparticles |
Aug. 5, 2008 |
| 7332542 |
Block copolymers and method for making same |
Feb. 19, 2008 |
| 7309522 |
Fibers made from block copolymer |
Dec. 18, 2007 |
| 7271207 |
Bituminous composition |
Sep. 18, 2007 |
| 7267855 |
Articles prepared from hydrogenated controlled distribution block copolymers |
Sep. 11, 2007 |
| 7211630 |
Rubber composition and pneumatic tire using the same in tread |
May. 1, 2007 |
| 7202310 |
Polymers, processes for producing the same, and curable compositions produced therefrom |
Apr. 10, 2007 |
| 7166679 |
Conjugated diene polymers and copolymer blocks having high vinyl content prepared using mixed microstructure control agents and process for preparing same |
Jan. 23, 2007 |
| 7160952 |
Process for preparing linear block copolymer |
Jan. 9, 2007 |
| 7141621 |
Gels from controlled distribution block copolymers |
Nov. 28, 2006 |
| 7067591 |
Block copolymers and process for their preparation |
Jun. 27, 2006 |
| 7037980 |
Monovinylarene/conjugated diene copolymers having lower glass transition temperatures |
May. 2, 2006 |
| 7009027 |
Method for producing meltable polyesters |
Mar. 7, 2006 |
| 7001950 |
Tetrablock copolymer and compositions containing same |
Feb. 21, 2006 |
| 6998446 |
Unbalanced multi-block SBS and method for the preparation thereof |
Feb. 14, 2006 |
| 6992136 |
Transparent block copolymers and production thereof |
Jan. 31, 2006 |
| 6964996 |
Pentablock copolymer and manufacturing method of the same |
Nov. 15, 2005 |
| 6921793 |
Rubber compositions and vulcanizates including comb-branched polymers |
Jul. 26, 2005 |
| 6894114 |
Block copolymer |
May. 17, 2005 |
| 6884849 |
Poly alcohol-based binder composition |
Apr. 26, 2005 |
| 6849692 |
Bimodal block copolymer containing tapered block, process for manufacturing method and its usage |
Feb. 1, 2005 |
| 6815475 |
Compositions comprising hydrogenated block copolymers and end-use applications thereof |
Nov. 9, 2004 |
| 6806317 |
Pressure-sensitive adhesive/adhesive and block copolymer suitable for use therein |
Oct. 19, 2004 |
| 6767960 |
Process for preparing high impact vinyl aromatic polymer by continuous anion polymerization method |
Jul. 27, 2004 |
| 6765066 |
Copolymers prepared by using both anionic polymerization techniques and coordination catalysts |
Jul. 20, 2004 |
| 6756448 |
Styrene copolymer |
Jun. 29, 2004 |
| 6750289 |
Functionalized thermoplastic elastomer |
Jun. 15, 2004 |
| 6734256 |
Block copolymer hot-melt processable adhesives, methods of their preparation, and articles therefrom |
May. 11, 2004 |
| 6730745 |
Process for coupling styrenic block copolymers |
May. 4, 2004 |
| 6713564 |
Star block copolymer |
Mar. 30, 2004 |
| 6593429 |
Polymer having combined linear and nonlinear structure and its preparing method |
Jul. 15, 2003 |
| 6593430 |
Transparent, impact-resistant polystyrene on a styrene-butadiene block copolymer basis |
Jul. 15, 2003 |
| 6562923 |
Process for the preparation of a dilithiated initiator and anionic polymerization process |
May. 13, 2003 |
| 6476133 |
Method for producing a solution of diene polymers in vinyl aromatic compounds and method for producing resistant vinyl aromatic polymers by polymerizing the same solution |
Nov. 5, 2002 |
| 6462137 |
Star-block interpolymers and preparation of the same |
Oct. 8, 2002 |
| 6437043 |
Process and apparatus for continuous manufacture of elastomer-modified monovinylaromatic compounds |
Aug. 20, 2002 |
| 6417270 |
Means of producing high diblock content thermoplastic elastomers with functional termination |
Jul. 9, 2002 |
| 6372853 |
Butadiene/isoprene/monovinyl aromatic monomer heptablock copolymers and method for the preparation thereof |
Apr. 16, 2002 |
| 6362282 |
Polymers with high vinyl end segments |
Mar. 26, 2002 |
| 6359087 |
Gas phase anionic polymerization of diene elastomers |
Mar. 19, 2002 |
| 6350723 |
Block copolymers prepared by anionic polymerization |
Feb. 26, 2002 |
| 6319990 |
Functionalized thermoplastic elastomer |
Nov. 20, 2001 |
| 6313216 |
Synthesis of styrene-isoprene rubber |
Nov. 6, 2001 |
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