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Inventor:
Cooper; Scott D.
Address:
Humble, TX
No. of patents:
7
Patents:












Patent Number Title Of Patent Date Issued
7658875 Biaxially-oriented metallocene-based polypropylene films having reduced thickness February 9, 2010
A polymer film having a thickness of 10 microns or less and improved barrier characteristics to both water vapor and oxygen is formed from a biaxially-oriented polypropylene film of isotactic polypropylene. The polypropylene is prepared by the polymerization of propylene in the prese
7473751 Biaxially-oriented metallocene-based polypropylene films having reduced thickness January 6, 2009
A polymer film having a thickness of 10 microns or less and improved barrier characteristics to both water vapor and oxygen is formed from a biaxially-oriented polypropylene film of isotactic polypropylene. The polypropylene is prepared by the polymerization of propylene in the prese
7351478 Heat-seal films and method of manufacture April 1, 2008
A heat-seal polymer film and method of forming such film is provided. The heat-seal film is formed from metallocene-catalyzed isotactic random copolymers of propylene and at least one other C.sub.2 to C.sub.8 alpha olefin, such as ethylene random. Such films show improved heat-seal c
6881793 Polyproplylene materials and method of preparing polypropylene materials April 19, 2005
A polypropylene material is prepared from a blend of heterophasic propylene copolymers and propylene homopolymers. The material is prepared by blending the polymers while they are in a molten state, and forming a film or sheet from the polymer blend. The material has particular applicati
6878327 Process of making polypropylene fibers April 12, 2005
A method for the production of polypropylene fibers from a propylene polymer including isotactic polypropylene produced by the polymerization of propylene in the presence of an isospecific metallocene catalyst. The polymer is heated to a molten state and extruded to form a fiber preform
6824721 Polypropylene fibers November 30, 2004
Process for the production of fibers formed from an ethylene-propylene copolymer characterized as a random copolymer of ethylene and isotactic polypropylene having a random ethylene content within the range of 2-12 mole %. The propylene content of the copolymer can have an isotacticity o
6723769 Polymerization process April 20, 2004
A process for the production and treatment of a stereoregular propylene polymer such as isotactic polypropylene. The isotactic polypropylene can be produced by catalysis employing a metallocene catalyst or employing a Ziegler-Natta catalyst. A polymerization reactor is operated to provid










 
 
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