Patent News.

Method of achieving superior dispersions
of insoluble sulfur and
products thereof

U.S. patent: 6,359,109
Issued: March 19, 2002
Inventor: George B. Brands
Assigned: Saynad and The Brands
Family Illinois Limited
Keywords: A novel superior dispersion
of insoluble sulfur while it is in
the rubbery state with a diluent, such
as rubber.

Vehicle wheel provided with a
pneumatic tire having therein a
rubber mixture permeated with
magnetizable particles
U.S. patent: 6,357,501
Issued: March 19, 2002
Inventors: Thomas Becherer, Martin
Fehrle and Klaus Kleinhoff
Assigned: Continental Aktiengesellschaft

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Apparatus and method for nondestructive
testing of dielectric materials
U.S. patent: 6,359,446
Issued: March 19, 2002
Inventor: Jack R. Little, Jr.
Keywords: Snell's law, microwaves
are partly transmitted and partly
reflected at each interface where the
dielectric constant changes.

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Flexible boot assembly for a constant
velocity joint
U.S. patent: 6,361,444
Issued: March 26, 2002
Inventors: Christopher C. Cheney and
Jeffrey M. Knodle
Assigned: GKN Automotive

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Oil extended rubber and rubber
composition
U.S. patent: 6,362,272
Issued: March 26, 2002
Inventors: Toshihiro Tadaki, Naokazu
Kobayashi and Hiroshi Akema
Assigned: JSR
Keywords: Amino group containing
copolymer rubber, improved hysteresis,
abrasion resistance and breaking
strength.

High modulus composites
U.S. patent: 6,361,860
Issued: March 26, 2002
Inventor: Russell W. Koch
Assigned: Bridgestone
Keywords: High melting polyphenylene
sulfide or polyimide and fibers
bonded to rubber as a belt in a no-flat
tire.

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Tire structure
U.S. patent: 6,363,983
Issued: April 2, 2002
Inventor: Yu-Fu Chen
Keywords: Thin steel plates prevent
tire being punctured by sharp objects.

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Tire tread pitch sequence for
reduced noise
U.S. patent: 6,363,984
Issued: April 2, 2002
Inventor: Christopher D. Morgan
Assigned: Kumho & Co.

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Downhole actuator, and a flow rate
adjuster device using such an actuator
U.S. patent: 6,364,023
Issued: April 2, 2002
Inventors: Stephane Hiron, Vincent
Tourillon, Gilles Cantin and Christophe
Rayssiguier
Assigned: Schlumberger Technology

Rubber product
U.S. patent: 6,365,657
Issued: April 2, 2002
Inventors: Hideo Goto and Makoto
Nakamura
Assigned: Bridgestone
Keywords: Similar stretchability to the
human skin, 200% modulus of
15 kgf/[cm.sup.2].

Nitrile-silicone rubber surface
release layer for electrostatographic
members
U.S. patent: 6,365,280
Issued: April 2, 2002
Inventors: Edward L. Schlueter, Jr.
and Joseph Mammino
Assigned: Xerox

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Thiodipropionic acid bisamides as
stabilizers for nonblack elastomers
U.S. patent: 6,365,653
Issued: April 2, 2002
Inventors: Hans-Rudolf Meier and
Gerrit Knobloch
Assigned: Ciba Specialty Chemicals

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Radial pneumatic light truck or
automobile tire
U.S. patent: 6,367,526
Issued: April 9, 2002
Inventor: David Ray Hubbell, Jr.
Assigned: Goodyear Tire & Rubber

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Elastomer composite blends and
methods-II
U.S. patent: 6,365,663
Issued: April 2, 2002
Inventors: Mclinda Ann Mabry. Ting
Wang, Allan Clark Morgan, Ivan
Zlatko Podobnik, James A. Shell. Bin
Chung and Noboru Tokita
Assigned: Cabot
Keywords: Elastomer composite
blends produced by novel wet/dry
mixing methods and a dry mixing step
or stage to form elastomer composite
blends.

Rotation shaft seal
U.S. patent: 6,367,811
Issued: April 9, 2002
Inventors: Atsushi Hosokawa, Hiromi
Obata, Takeshi Baba, Tomoya Inagaki,
Toshiro Fujii, Takayuki Imai,
Naoya Yokomachi and Kazuo
Murakami
Assigned: Mitsubishi Cable Industries
and Kabushiki Kaisya Toyoda
Jidoshokki Seisakusho

Radial shaft-sealing ring and
process for manufacturing the same
U.S. patent: 6,367,812
Issued: April 9, 2002
Inventors: Hans Reinhardt and Rolf
Vogt
Assigned: Carl Freudenberg

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Retreaded tires and method for
making the same without spray
cement
U.S. patent: 6,368,439
Issued: April 9, 2002
Inventors: David L. Bender, James E.
Bundschuh, Jr., Lawrence Carlson,
Johnathon Leslie Logsden, Floyd S.
Myers, Gary W. Schnedler and
Ronald Seiler
Assigned: Bandag Licensing
Keywords: Cushion gum is applied
directly without the use of conventional
spray.

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Rubber composition for tire tread
U.S. patent: 6,369,151
Issued: April 9, 2002
Inventors: Yoichi Mizuno and
Mamoru Uchida
Assigned: Sumitomo Rubber Industries