Patent News.

Elastomer grouting of
subsurface conduits

U.S. patent: 5,738,463
Issued: April 14, 1998
Inventor: David D. Onan
Assigned: Halliburton Company

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Contact pad having metallically
anchored elastomeric electrical
contacts

U.S. patent: 5,738,530
Issued: April 14, 1998
Inventors: Chris M. Schreiber and
Bao Le
Assigned: Packard Hughes
Interconnect Co.

Tire having specified crown
reinforcement

U.S. patent: 5,738,740
Issued: April 14,1998
Inventor: Guy Cluzel
Assigned: Michelin

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Method for making
angiographic catheters

U.S. patent: 5,738,742
Issued: April 14,1998
Inventor: Robert C. Stevens

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Process for the manufacture
of breast prostheses

U.S. patent: 5,738,812
Issued: April 14, 1998
Inventor: Helmut Wild
Assigned: Amoena MedizinOrthopadie-Technik
GmbH

Release agent composition
for tire molding

U.S. patent: 5,738,813
Issued: April 14,1998
Inventors: Tsutomu Naganawa and
Isao Ona
Assigned: Dow Coming Toray Silicone
Co., Ltd.

Thermally conductive
polytetraflouroethylene article

U.S. patent: 5,738,936
Issued: April 14, 1998
Inventor: James R. Hanrahan
Assigned: W.L. Gore & Associates,
Inc.

Free flowing crumb rubber
composition

U.S. patent: 5,738,941
Issued: April 14, 1998
Inventors: Gregory David Pero and
Michael Kenneth Stockdale
Assigned: Goodyear Tire &
Rubber

Stabilization of tin-coupled
polymers

U.S. patent: 5,739,182
Issued: April 14, 1998
Inventors: Wen-Liang Hsu and Adel
Farhan Halasa
Assigned: Goodyear Tire & Rubber

Amorphous precipitated silica
characterized by high dispersion
in cured organic rubber compositions

U.S. patent: 5,739,197
Issued: April 14, 1998
Inventors: Harold E. Swift, Thomas
G. Krivak and Laurence E. Jones
Assigned: PPG Industries, Inc.

Method of making fluoropolymers

U.S. patent: 5,739,223
Issued: April 14,1998
Inventor: Joseph M. DeSimone
Assigned: The University of North
Carolina at Chapel Hill

TPU-urea elastomers

U.S. patent: 5,739,250
Issued: April 14, 1998
Inventors: Stephan Kirchmeyer,
Hanns-Peter MUller, Jurgen
Fahndrich and Hans-Georg Hoppe
Assigned: Bayer Aktiengesellschaft

RIM elastomers based on
prepolymers of cycloaliphatic
diisocyanates

U.S. patent: 5,739,253
Issued: April 14, 1998
Inventors: Neil H. Nodelman
and David D. Steppan
Assigned: Bayer Corp.

Biostable elastomeric polymers
having quaternary carbons

U.S. latent: 5,741,331
Issued: April 14, 1998
Inventor: Leonard Pinchuk
Assigned: Corvita Corporation

Solventless carboxylated
butadiene-vinylidene chloride
adhesives for bonding rubber
to metal

U.S. patent: 5,741,393
Issued: April 21, 1998
Inventors: I.G. Hargis, R.A. Miranda
and J.A. Wilson
Assigned: GenCorp Inc.

Tire vulcanizing system

U.S. patent: 5,741,528
Issued: April 21, 1998
Inventors: Takumi Mizokawa, Itaru
A-mano,
Kashiro Ureshino, Katsumi
Ichikawa, Ko Takakura, Masaki
Naoi and Yasuo Morita
Assigned: Kabushiki Kaisha Kobe
Seiko Sho

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Low compression set
silicone elastomers

U.S. patent: 5,741,834
Issued: April 21, 1998
Inventors: Brian John Ward,
Edward Matthew Jeram and Richard
Albert Striker
Assigned: General Electric Co.

Blends of elastomer block copolymer
and aliphatic [Alpha]-olefin/monovinylidene
aromatic monomer
and/or hindered aliphatic vinylidene
monomer interpolymer

U.S. patent: 5,741,857
Issued: April 21, 1998
Inventors: Calvin P. Esneault and
Morris S. Edmondson
Assigned: The Dow Chemical Co.

Silane-crosslinkable elastomerpolyolefin
polymer blends, their
preparation and use

U.S. patent: 5,741,858
Issued: April 21, 1998
Inventors: Jeffery E. Brann,
Morgan M. Hughes, Stephen H.
Cree and John Penfold
Assigned: The Dow Chemical Co.