US Patent Application No: 2001/0003,768

Number of patents in Portfolio can not be more than 2000

MODIFICATION OF THERMOPLASTIC VULCANIZATES USING RANDOM PROPYLENE COPOLYMERS

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Abstract

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Random propylene thermoplastic copolymers can be used to increase the elongation to break and toughness of thermoplastic vulcanizates. Semi-crystalline polypropylene is a preferred thermoplastic phase. The rubber can be olefinic rubbers. Random thermoplastic polypropylene copolymers are different from conventional Ziegler-Natta propylene copolymers as the compositional heterogeneity of the copolymer is greater with Ziegler-Natta copolymers. This difference results in substantial differences in properties (elongation to break and toughness) between thermoplastic vulcanizates modified with random thermoplastic propylene copolymers and those modified with conventional Ziegler-Natta propylene copolymers. An increase in elongation to break results in greater extensibility in the articles made from a thermoplastic vulcanizate.

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Patent Owner(s)

Patent OwnerAddressTotal Patents
EXXON CHEMICAL PATENTS INC.LINDEN, NJ469
EXXONMOBIL CHEMICAL PATENTS INC.HOUSTON, TX1798

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
ABDOU, SABET SABET AKRON, US 1 2
DATTA, SUDHIN HOUSTON, US 137 2280
ELLUL, MARIA SILVER LAKE VILLAGE, US 2 6
FINERMAN, TERRY AKRON, US 8 213
GADKARI, AVI HOUSTON, US 1 66
HAZELTON, DONALD HUDSON, US 2 18

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Patent Citation Ranking

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Patent Info (Count) # Cites Year
 
US BANK TRUST (1)
* 2005/0049,349 Thermoplastic vulcanizate and its method of production 0 2004
 
EXXONMOBIL CHEMICAL PATENTS INC. (4)
* 8,039,526 Thermoplastic vulcanizates including nanoclays and processes for making the same 0 2006
* 2007/0238,810 Thermoplastic vulcanizates including nanoclays and processes for making the same 3 2006
* 8,207,270 Thermoplastic elastomer compositions, methods of making and articles made from the same 1 2006
* 2008/0081,869 Thermoplastic elastomer compositions, methods of making and articles made from the same 0 2006
 
DSM IP ASSETS B.V. (1)
* 2005/0215,717 Thermoplastic elastomer composition 16 2005
* Cited By Examiner