Patent News.

Process for conditioning a gas-phase
reactor to produce an ethylene-propylene
or ethylene-propylene-diene
rubber
U.S. patent: 6,011,128
Issued: January 4, 2000
Inventors: Robert Steven Eisinger, Kiu
Hee Lee, Fathi David Hussein and
Daniel Paul Zilker, Jr.
Assigned: Union Carbide Chemicals
Plastics Technology

Process for producing fluorine-containing
elastomer
U.S. patent: 6,011,129
Issued: January 4, 2000
Inventors: Satoru Saito and Haruyosi
Tatsu
Assigned: Nippon Mektron

Tires having belts of high modulus
composites
U.S. patent: 6,012,498
Issued: January 11, 2000
Inventor: Russell W. Koch
Assigned: Bridgestone
Keywords: Modulus of elasticity
750,000 psi, flat free

[ILLUSTRATION OMITTED]

Tire cure bladders cured with
brominated phenolic resins and containing
PTFE and/or graphite
U.S. patent: 6,013,218
Issued: January 11, 2000
Inventors: George Philemon Patitsas
and Paul Harry Sandstrom
Assigned: Goodyear Tire & Rubber

Refrigerant transporting hose
U.S. patent: 6,009,910
Issued: January 4, 2000
Inventor: Hiroaki Shibano
Assigned: Yokohama Rubber
Keywords: Innertube, copolymer, isobutylene,
brominated p-methylstyrene

[ILLUSTRATION OMITTED]

Rubber composition based on silica
and on functionalized diene polymer
which has a silanol end functional
group
U.S. patent: 6,013,718
Issued: January 11, 2000
Inventors: Jean-Luc Cabioch and
Gerard Labauze
Assigned: Michelin & Cie

Partitioning agent for rubber
U.S. patent: 6,013,720
Issued: January 11, 2000
Inventors: Anthony Joseph Bell, Eilert
Aloysius Ofstead and Ronald Lee Holsapple
Assigned: Goodyear Tire & Rubber
Keywords: Syndiotactic-1,2-polybutadiene,
suspending agent, wetting agent

Elastomer compositions and processes
for producing the same
U.S. patent: 6,013,729
Issued: January 11, 2000
Inventors: Motoyoshi Tsujimoto and
Tsuyoshi Iwasa
Assigned: Sumitomo Bakelite
Keywords: Moisture curable elastomer,
ethylene-[Alpha]-olefin-unconjugated diene
rubber, hydrosilylation catalyst,
hydrolyzable silane group containing
resin

At least trifunctional epoxy resin
reacted with solid rubber mixed with
epoxy resin and curing agent
U.S. patent: 6,013,730
Issued: January 11, 2000
Inventors: Patrick T. McGrail, Stephen
D. Jenkins, Jeffrey T. Carter, Peter R.
Ciriscioli, Scott D. Lucas and Robin K.
Maskell
Assigned: Fiberite

Diene rubber composition
U.S. patent: 6,013,737
Issued: January 11, 2000
Inventors: Yukio Takagishi and Masao
Nakamura
Assigned: Nippon Zeon
Keywords: Improved tensile, improved
abrasion resistance, amino group containing
diene rubber

Tire abnormality sensor
U.S. patent: 6,014,599
Issued: January 11, 2000
Inventors: Yuichi Inoue and Takeyasu
Taguchi
Assigned: Denso

Machine and method for removing
tread material from used motor vehicle
tire and producing recyclable
buffings
U.S. patent: 6,015,105
Issued: January 18, 2000
Inventor: John C. Brewer
Assigned: Garb-Oil & Power

Process for treating vulcanized tread
rubber surfaces before bonding
U.S. patent: 6,015,468
Issued: January 18, 2000
Inventors: Jean-Marie Courel, Denis
Schruoffeneger and Serge Solignac
Assigned: Compagnie Generale des
Establissements Michelin-Michelin &
Cie
Keywords: High pressure water jet and
surface roughness

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Rubber composition
U.S. patent: 6,015,850
Issued: January 18, 2000
Inventors: Masao Nakamura and Yukio
Takagishi
Assigned: Nippon Zeon
Keywords: Diene rubber silica, and silicone
oil with polar groups

Acrylic elastomer composition
U.S. patent: 6,015,860
Issued: January 18, 2000
Inventors: Yoshihiro Kuzumaki, Iwao
Moriyama and Jun Okabe
Assigned: Nippon Mektron
Keywords: Polyfunctional isocyanate,
guanidine, quaternary onium salt, tertiary
amine and tertiary phosphine

Electrically conductive silicone
compositions
U.S. patent: 6,017,587
Issued: January 25, 2000
Inventors: Don Kleyer, Michael Lutz,
Bernard Vanwert, Katsutoshi Mine,
Osamu Mitani and Kazumi Nakayoshi
Assigned: Dow Corning and Dow
Corning Toray Silicone
Keywords: Platinum group catalyst,
electrically conductive metal particulate
and precrosslinked elastomeric silicone
particles

Photocurable elastomeric mixture
and recording material obtained
therefrom for the production of
relief printing plates
U.S. patent: 6,017,678
Issued: January 25, 2000
Inventors: Willi-Kurt Gries and
Raimund Faust
Assigned: Agfa-Gevaert N.V.

Cure orientation by depositing cure
accelerators on the surface of a fiber
U.S. patent: 6,017,979
Issued: January 25, 2000
Inventors: Bruce Hahn and Douglas
Callander
Assigned: Goodyear Tire & Rubber
Keywords: Forming domains of high
density, xanthate and sulfur rich textile
fiber

Elastomeric compounds incorporating
metal-treated carbon blacks
U.S. patent: 6,017,980
Issued: January 25, 2000
Inventors: Meng-Jiao Wang and
Khaled Mahmud
Assigned: Cabot

Hydrosilated crystalline high trans
polybutadiene with silica filler, tires
having a base of said composition
and method of preparing same
U.S. patent: 6,017,985
Issued: January 25, 2000
Inventors: Jung Kang, Jason T.
Poulton and Takashi Kitamura
Assigned: Bridgestone

Tire tread compositions containing
asymmetrically tin-coupled polybutadiene
rubber and silica coupling
agent
U.S. patent: 6,017,988
Issued: January 25, 2000
Inventors: Edward Blok, Paul Sandstrom,
Cheryl Losey, Adel Halasa,
Wen-Liange Hsu, David Zanzig and
John Joseph Verthe
Assigned: Goodyear Tire & Rubber

Exterior automotive component of
an elastomeric modified polyolefin
material having pleasing appearance
U.S. patent: 6,017,989
Issued: January 25, 2000
Inventors: Douglas Malm, David Mehl,
Kris Winowiecki and Salim Sheriff
Assigned: Standard Products
Keywords: Metallic flake pigments and
pearlescent pigments

Method for the continuous manufacturing
of silicone rubber composition
U.S. patent: 6,017,996
Issued: January 25, 2000
Inventors: Mitsuo Hamada, Tomoo
Kinoshita and Kaoru Kunimatsu
Assigned: Dow Corning Toray Silicone
Keywords: Freely flowable powdered
silicone rubber, continuously kneading,
and multiple-stage sliding shear single
screw extruder

Shape memory alloy activated
retractable elastomeric sealing
device
U.S. patent: 6,019,025
Issued: February 1, 2000
Inventor: Raymond A. St. Amand
Assigned: The United States of America
as represented by the Secretary of
the Navy
Keywords: When heated the elastomeric
member retracts away from sealable
contact

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Light colored conductive coating and
method and composition for
application thereof
U.S. patent: 6,019,833
Issued: February 1, 2000
Inventors: Marvis E. Hartman, Massimo
P. Rei and Michela Casagnone
Assigned: PPG Industries Ohio