US Patent No: 5,981,649

Number of patents in Portfolio can not be more than 2000

Rubber composition for grips of articles containing EPDM and grip made thereof

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Importance

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Abstract

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A rubber composition suitable for use in grips of articles such as golf clubs, tennis rackets, bicycles and tools, comprising (1) a rubber component containing an ethylene-propylene-diene rubber (EPDM), and (2) 5 to 100 parts by weight of a polyisobutylene having a viscosity average molecular weight of 6,000 to 50,000, which provides grips having good feeling of touch, good non-slipping properties in both fine and rainy weather, and giving a small feeling of impact to mis-shot of golf balls as compared with conventional grips.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
SUMITOMO RUBBER INDUSTRIES, LTD.KOBE-SHI HYOGO-KEN1779

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hamada, Akihiko Kobe, JP 36 886
Hiraoka, Hidenori Akashi, JP 26 1116

Cited Art Landscape

Patent Info (Count) # Cites Year
 
ASHLAND LICENSING AND INTELLECTUAL PROPERTY LLC (1)
5,095,068 Adhesive of butyl rubber, curing agent, c-black and tackifier 27 1989
 
DEUTSCHE BANK AG NEW YORK BRANCH (1)
4,843,128 Elastomeric composition having increased ozone resistance 17 1988
 
FIRST FIDELTY BANK, NATIONAL ASSOCIATION PATTERSON, LINDA L. TRUSTEES (1)
5,242,727 Adhesive composition and method for providing water-tight joints in single-ply roofing membranes 39 1991
 
MITSUI CHEMICALS, INC. (1)
5,242,971 Ethylene-propylene-diene rubber, elastomer composition and vulcanized rubber thereof 13 1991
 
MITSUI PETROCHEMICAL INDUSTRIES, LTD. (1)
4,247,652 Thermoplastic elastomer blends with olefin plastic, and foamed products of the blends 55 1979
 
SERVUS RUBBER COMPANY, INC. (1)
4,882,387 Co-curing of NR/EPDM rubber bands 7 1988

Patent Citation Ranking

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Patent Info (Count) # Cites Year
 
WM. T. BURNETT IP, LLC (3)
6,500,079 Sports equipment handle 49 2000
7,416,499 Sports equipment handle 2 2005
7,789,777 Sports equipment handle 2 2009
 
LAMKIN CORPORATION (1)
8,334,337 Composition and manufacturing methods for grips 0 2011
 
Purchasing Inc. (1)
6,093,767 High shock absorbing rubber compositions 2 1998
 
WM. T. BURNETT IP, LLP (1)
7,618,336 Sports equipment handle 0 2008
 
Other [Check patent profile for assignment information] (2)
7,288,036 Grip for a hockey stick with a hollow-ended shaft 4 2004
7,241,385 Oil filter canister removal tool 2 2006

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