Patent News.

Tactoidal elastomer nanocomposites

U.S. patent: 5,807,629
Issued: September 15, 1998
Inventors: Chester Elspass, Dennis
Pieffre, Edward Kresge, James
Chludzinski, Pamela Wright and Hsien
Chang Wang
Assigned: Exxon Research and
Engineering

Acrylic rubber composition

U.S. patent: 5,807,913
Issued: September 15, 1998
Inventors: Kenji Mikuni, Hisayuki
Nagaoka and Norio Tanaka
Assigned: NOK Corp. and Denso Corp.

1. An active halogen-containing
acrylic rubber composition for molding
oil filter-gaskets, which comprises an
active halogen-containing acrylic rubber
and a metal phosphonate represented
by the following formula:

RR'nPO(OH)(OM)

Polyphenylene oxide delivery system
for adhesive compositions

U.S. patent: 5,807,915
Issued: September 15, 1998
Inventors: Wayne Chu and Erwin
Ruckel
Assigned: Arizona Chemical

Rotating singulator

U.S. patent: 5,806,654
Issued: September 15, 1998
Inventor: Thomas Largent

Color changeable aqueous adhesive
systems

U.S. patent: 5,807,918
Issued: September 15, 1998
Inventor: Mario Carter
Assigned: Patch Rubber

Unsaturated nitrile-conjugated diene
copolymer process for producing
same and vulcanizable rubber
composition

U.S. patent: 5,807,941
Issued: September 15, 1998
Inventors: Suguru Tsuji and Yuichi
Uchizono
Assigned: Nippon Zeon

Vulcanizable rubber composition
containing ethylene-[Alpha]-olefin-nonconjugated
polyene random copolymer

U.S. patent: 5,807,948
Issued: September 15, 1998
Inventors: Toshihiro Sagane, Toshiyuki
Tsutsui, Masaaki Kawasaki, Keiji
Okada, Hidenari Nakahama and Tetsuo
Tojo
Assigned: Mitsui Petrochemical

Pneumatic tire including two grooves
and two rubber parts

U.S. patent: 5,810,953
Issued: September 22, 1998
Inventors: Masatoahi Tanaka and
Sumio Takatsu
Assigned: Sumitomo Rubber

Low fogging rubbery polymer

U.S. patent: 5,811,474
Issued: September 22, 1998
Inventors: Hung Dang Ngoc, Limeil
Brevannes and Mariano Salazar
Assigned: Goodyear Tire & Rubber

Rubber composition having a
base of a diene polymer having a
silanol function and comprising
an organosilane derivative

U.S. patent: 5,811,479
Issued: September 22, 1998
Inventor: Gerard Labauze
Assigned: Compagnie Generale des
Establissements Michelin-Michelin &
Cie

Water repellent system

U.S. patent: 5,811,483
Issued: September 22, 1998
Inventor: Donald Close
Assigned: Syn-Coat Enterprises

1. A water repellent composition
comprising: a silicone rubber gum
polymer and a second polymer consisting
of polybutene, linseed oil and phenolic
resin

Synthesis of cis-1,4-polybutadiene
rubber in presence of cobalt
containing catalyst system

U.S. patent: 5,811,499
Issued: September 22, 1998
Inventor: Kenneth Castner
Assigned: Goodyear Tire & Rubber

Pneumatic tire including sipes

U.S. patent: 5,814,169
Issued: September 29, 1998
Inventors: Yuji Yamaguchi and
Chishiro Tanabe
Assigned: Bridgestone

Method for molding structural parts
utilizing modified siicone rubber

U.S. patent: 5,814,259
Issued: September 29, 1998
Inventors: Erik Weiser, Robert Baucom
and John Snoha
Assigned: U.S. National Aeronautics
and Space Administration

Tire mold with controlled internal
pressure

U.S. patent: 5,814,263
Issued: September 29, 1998
Inventors: Guy Pouille and Bernard
Ravel
Assigned: Compagnie Generale des
Establissements Michelin-Michelin &
Cie

Elastomer composition and
thermoplastic resin composition
modified therewith

U.S. patent: 5,814,702
Issued: September 29, 1998
Inventors: Roger Avakian and Roman
Wypart
Assigned: General Electric