Patent news.

Impact cushioning tool handle
U.S. patent: 6,370,986
Issued: April 16, 2002
Inventor: Gary Scott
Assigned: The Stanley Works

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Application of disubstituted ethylene-maleimide
copolymers in rubber
compounds
U.S. patent: 6,369,166
Issued: April 9, 2002
Inventors: Xiaorong Wang and Victor
J. Foltz
Assigned: Bridgestone
Keywords: A high dumping compound.

Polyoxyalkylene substituted and
bridged triazine, benzotriazole and
benzophenone derivatives as UV
absorbers
U.S. patent: 6,369,267
Issued: April 9, 2002
Inventors: Vien Van Toan, Pascal
Hayoz  and Andreas Valet
Assigned: Ciba Specialty Chemicals

Halogenated isobutylene rubber
composition containing sodium
thiosulfate pentahydrate
U.S. patent: 6,371,181
Issued: April 16, 2002
Inventors: Richard Michael
D'Sidocky, Bernard Matthew Bezilla,
Jr., Leighton Randolph Spadone,
David Michael Smith, Sr. and Mark
Andrew Marinko
Assigned: Goodyear Tire & Rubber
Keywords: Increasing the rate of vulcanization.

Cylinder-head gasket for internal
combustion engine
U.S. patent: 6,371,489
Issued: April 16, 2002
Inventors: Alexis Combet and Francis
Martin
Assigned: Federal Mogul Sealing Systems

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Surface devulcanization of cured
rubber crumb
U.S. patent: 6,380,269
Issued: April 30, 2002
Inventors: David Andrew Benko and
Roger Neil Beers
Assigned: Goodyear Tire & Rubber
Keywords: Heating under pressure in
the presence of 2-butanol.

Combination biological and
microwave treatments of used rubber
products
U.S. patent: 6,407,144
Issued: June 18, 2002
Inventors: Carl B. Fliermans and
George G. Wicks
Assigned: Westinghouse Savannah
River, LLC

Process and apparatus for laying
rubber materials for tire-constitutional
members
U.S. patent: 6,372,070
Issued: April 16, 2002
Inventors: Shuhei Iizuka and Yuichiro
Ogawa
Assigned: Bridgestone

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Vehicle tire with lamellar studs
U.S. patent: 6,374,886
Issued: April 23, 2002
Inventor: Pentti Eromaki
Assigned: Nokian Tyres Plc

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Inflation element for downhole tool
having a pre-disposed bladder
and/or cover, and method shaping
tool for pre-disposing the bladder
and/or cover
U.S. patent: 6,374,917
Issued: April 23, 2002
Inventor: James V. Carisella

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Heel and toe wear balancing
U.S. patent: 6,378,583
Issued: April 30, 2002
Inventor: Jean Francois Leon
Fontaine
Assigned: Goodyear Tire & Rubber
Keywords: With increased void space,
the wear rate of the heel is increased
to balance the wear rate at the toe.

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Rubber bearing with characteristic
behavior which differs in the direction
of the circumference
U.S. patent: 6,378,853
Issued: April 30, 2002
Inventors: Helmut Kammel and Axel
Sichler
Assigned: ZF Lemforder Metallwaren
AG

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Enzyme, stabilizer and antioxidant
treated natural rubber latex product
and method of processing same
U.S. patent: 6,380,283
Issued: April 30, 2002
Inventors: Frank W. Perrella, Thomas
N. Tillotson and Joseph K. Pieroni
Assigned: Tillotson Healthcare
Keywords: To reduce the antigenic
protein content.

Rubber composition and pneumatic
tires
U.S. patent: 6,380,288
Issued: April 30, 2002
Inventors: Masahiro Hojo, Tomohiro
Kusano, Akihiko Matsue, Kenichi
Sugimoto, Shigeki Kamo, Yoshihisa
Tomotaki, Akinori Oka and Ken
Hirayama
Assigned: Bridgestone and Otsuka
Chemical
Keywords: Hydrazide compounds
represented by the following formulas:

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Elastomeric six degree of freedom
isolator
U.S. patent: 6,386,134
Issued: May 14, 2002
Inventors: Robert James Monson,
Wesley Eugene Revely, Trevor J.
McCollough and Allen L. Arndt
Assigned: Lockheed Martin

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Rubber compositions and method
of making them
U.S. patent: 6,380,291
Issued: April 30, 2002
Inventor: Carl Walter von Hellens
Assigned: Bayer
Keywords: An acrylate or methacrylate
salt, elastomer curable with a peroxide
and a plasticizer having epoxide
groups display lower viscosity, higher
modulus and improved odor.

Rail pads
U.S. patent: 6,386,461
Issued: May 14, 2002
Inventor: Thomas William Wildgoose
Assigned: Glynwed Pipe Systems
Limited

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Adhesive composition and method
for providing water-tight joints in
single-ply roofing membranes
U.S. patent: RE37,683 E
Issued: April 30, 2002
Inventors: Brian J. Briddell and
Michael J. Hubbard
Assigned: Adco Products