Patent News.

Method of making a pneumatic tire
with different carcass cord
elongations between main
portions and turned-up portions
U.S. patent: 5,871,606
Issued: February 16, 1999
Inventors: Masayuki Sakamoto and
Masahiro Hanya
Assigned: Sumitomo Rubber

Tire with carcass turn up ends
under belt structure
U.S. patent: 5,871,602
Issued: February 16, 1999
Inventors: John Beck, Jr., Anthony
Paonessa, Mark Seloover, Thomas
Oare and Joseph Dancy

Low-noise pneumatic tires
with specified carcass line
U.S. patent: 5,871,599
Issued: February 16, 1999
Inventor: Toshikatsu Naoi
Assigned: Bridgestone

[ILLUSTRATION OMITTED]

Pneumatic radial tire with load
bearing rubber reinforcing layer
U.S. patent: 5,871,601
Issued: February 16, 1999
Inventor: Toru Tsuda
Assigned: Bridgestone

[ILLUSTRATION OMITTED]

Rubber stocks containing a metal
salt of hydroxy aryl substituted
maleamic acid
U.S. patent: 5,872,167
Issued: February 16, 1999
Inventors: Lawson Wideman, George
Balogh and Denise Keith
Assigned: Goodyear Tire & Rubber

Silica containing tire compositions
for supression of static charge
accumulation
U.S. patent: 5,872,171
Issued: February 16, 1999
Inventor: Mario Detrano
Assigned: Bridgestone/Firestone

Silane-treated clay production
method, silane-treated clay and
composition containing same
U.S. patent: 5,871,846
Issued: February 16, 1999
Inventors: Gary Freeman, Carl
Marshall, Jr., Walter Lackey and
Masao Onizawa
Assigned: J.M. Huber and Sanyo Trading

Electrically conductive silicone
elastomer compositions, methods for
manufacturing semiconductor
devices, and semiconductor devices
U.S. patent: 5,872,170
Issued: February 16, 1999
Inventors: Katsutoshi Mine, Osamu
Mitani, Kazumi Nakayoshi and Rikako
Tazawa
Assigned: Dow Corning Toray Silicone

Methods for the preparation of
liquid silicone rubber base and
liquid silicone rubber composition
U.S. patent: 5,872,172
Issued: February 16, 1999
Inventors: Kenichi Kimura and
Mutsuo Shimizu
Assigned: Shin-Etsu Chemical

Addition of salts to improve the
interaction of silica with rubber
U.S. patent: 5,872,176
Issued: February 16, 1999

Inventors: William Hergenrother,
James Oziomek and William Cole
Assigned: Bridgestone

Carbon black compositions and
improved polymer compositions
U.S. patent: 5,872,177
Issued: February 16, 1999
Inventor: Robert Whitehouse
Assigned: Cabot

Vulcanized rubber compositions
comprising anti-reversion coagent
and sulfide resin
U.S. patent: 5,872,188
Issued: February 16, 1999
Inventors: Rabindra Nath Datta, Arie
Jacob de Hoog and Johannes Hermanus
Wilbrink
Assigned: Akzo Nobel

Tire with coated silica reinforced
rubber tread
U.S. patent: 5,872,178
Issued: February 16, 1999
Inventors: Bharat Kanchanlal Kansupada
and Michael Julian Crawford
Assigned: Goodyear Tire & Rubber

Tire with silica reinforced tread
U.S. patent: 5,872,179
Issued: February 16, 1999
Inventor: Joseph Kevin Hubbell
Assigned: Goodyear Tire & Rubber

Spandex blended in natural rubber
U.S. patent: 5,872,186
Issued: February 16, 1999
Inventor: Pei Pei Ang
Assigned: E.I. DuPont de Nemours

Surface treatment of rubbers and
rubber-based materials
U.S. patent: 5,872,190
Issued: February 16, 1999
Inventors: Wojciech Gutowski, Dong
Y. Wu and Sheng Li
Assigned: Commonwealth Scientific
and Industrial Research Organization

Pneumatic studless fires including
wave-shaped sipes
U.S. patent: 5,873,399
Issued: February 23, 1999
Inventors: Naoya Ochi and Kazunori
Shinohara
Assigned: Bridgestone

[ILLUSTRATION OMITTED]

Polyisocyanate prepolymer
composition and soft elastomers
prepared therefrom
U.S. patent: 5,872,193
Issued: February 16, 1999
Inventors: Thirmurti Narayan and Gary
Brant
Assigned: BASF

In-guide valve stem seal
U.S. patent: 5,873,337
Issued: February 23, 1999
Inventor: John Binford
Assigned: Dana

Electrical connector system with
member having layers of different
durometer elastomeric materials
U.S. patent: 5,873,740
Issued: February 23, 1999
Inventors: David Alcoe, William
Brodsky and David Caletka
Assigned: International Business
Machines

Polyepichlorohydrin-based
tri-block additive for surface
modification of polymer
films and articles
U.S. patent: 5,874,507
Issued: February 23, 1999
Inventors: Xinya Lu and Eric Gardiner
Assigned: Arizona Chemical

Scorch retarding crosslinking
compositions comprising a hydroquionone,
a sulfur accelerator, a
coagent and a free radical initiator
U.S. patent: 5,876,624
Issued: March 2, 1999
Inventors: Chester Joseph Kmiec,
Michael Fred Novits and Edward
Phillip Hibbard
Assigned: Elf Atochem N.A.

Tire having corrosion
resistant steel cord
U.S. patent: 5,873,962
Issued: February 23, 1999
Inventors: Yoshikazu Kaneko and
Naohiko Obana
Assigned: Bridgestone Metalpha

[ILLUSTRATION OMITTED]

Golf ball
U.S. patent: 5,874,504
Issued: February 23, 1999
Inventors: Masatoshi Yokota and
Tsutoma Hirau
Assigned: Sumitomo Rubber

Flourine containing elastomer
composition
U.S. patent: 5,874,506
Issued: February 23, 1999
Inventors: Haruyoshi Tatsu, Akihiro
Naraki and Yuichi Yamamoto
Assigned: Nippon Mektron

Vibration isolation insert for
aircraft floor panels and the like
U.S. patent: 5,876,023
Issued: March 2, 1999
Inventors: Harry Hain and Michael
Clark
Assigned: Lord and Boeing

Pneumatic radial tires with
rubber filler composed
by three rubber stocks
U.S. patent: 5,876,527
Issued: March 2, 1999
Inventors: Makoto Tsuruta and
Hiroshi Nakamura
Assigned: Bridgestone

Process for the preparation of
precipitated silica, new precipitated
silicas containing aluminum and
their use for the reinforcement of
elastomers
U.S. patent: 5,876,494
Issued: March 2, 1999
Inventors: Yves Bomal, Yvonick
Chevallier and Philippe Cochet
Assigned: Rhone-Poulenc Chimie

Elastomeric compounds incorporating
silicon-treated carbon blacks
and coupling agents
U.S. patent: 5,877,238
Issued: March 2, 1999
Inventors: Khaled Mahmud,
Meng-Jiao Wang and Robert Francis
Assigned: Cabot

Latex rubber additive and latex
rubber compounds
U.S. patent: 5,877,244
Issued: March 2, 1999
Inventors: James Fusco, James
Hoover, Maurice Wheeler and Harvey
Kaufman
Assigned: Flow Polymers

Pneumatic vehicle tire with breaker
ply arrangement cushion layers
U.S. patent: 5,879,483
Issued: March 9, 1999
Inventors: Manfred Gerresheim,
Werner Lang, Bernd Lowenhaupt and
Hans-Joachim Winter
Assigned: SP Reifenwerke GmbH

Tire with tread having silica
reinforcement field
U.S. patent: 5,877,249
Issued: March 2, 1999
Inventor: Jean-Paul Lambotte
Assigned: Goodyear Tire & Rubber

Anti-fatigue coagents for rubber
vulcanization
U.S. patent: 5,877,327
Issued: March 2, 1999
Inventors: Auke Gerardus Talma and
Rabindra Nath Datta
Assigned: Akzo Nobel

Apparatus and method for measuring
elastomeric properties of a specimen
during a test procedure
U.S. patent: 5,877,428
Issued: March 2, 1999
Inventor: Chris Scolton
Assigned: Caterpillar

Run-flat, low-pressure all terrain
vehicle (ATV) tire
U.S. patent: 5,879,482
Issued: March 9, 1999
Inventors: Timothy Rooney and
Thomas Reed
Assigned: Goodyear Tire & Rubber

Run-flat banded pneumatic tire
U.S. patent: 5,879,484
Issued: March 9, 1999
Inventors: Charles Spragg, Thomas
Bell and Edward Markow
Assigned: Bridgestone/Firestone

Pneumatic radial tire including
rubber spacer
U.S. patent: 5,879,485
Issued: March 9, 1999
Inventors: Masayuki Sakamoto, Yutaka
Kuroda and Katsuhito Miura
Assigned: Sumitomo Rubber

Method of forming tire with a profiled
innerliner
U.S. patent: 5,879,488
Issued: March 9, 1999
Inventors: David Alan Weston and
Cesar Enrique Zarak
Assigned: Michelin Recherche et
Technique

Thermoplastic resin/oil-bleeding
silicone rubber integrally
molded articles
U.S. patent: 5,879,809
Issued: March 9, 1999
Inventors: Shigeru Muramatsu, Naoto
Obayashi, Hironao Fujiki and Shigeki
Shudo
Assigned: Mitsubishi Engineering-Plastics
and Shin-Etsu Chemical

Liquid silicone rubber composition
and method for the preparation
thereof
U.S. patent: 5,880,199
Issued: March 9, 1999
Inventors: Takao Matsushita,
Yasumichi Shigehisa and Yuichi
Tsuji
Assigned: Dow Corning Toray Silicone

Elastomer mixing unit
U.S. patent: 5,882,112
Issued: March 16, 1999
Inventor: Julius Peter
Assigned: Continental AG

Tire tread guiding
U.S. patent: 5,882,457
Issued: March 16, 1999
Inventors: William Dudley Currie,
Daniel Ray Downing, James Michael
Hart, Lori Ann Kefalos, Luc Minsart
and Jean Reichling
Assigned: Goodyear Tire & Rubber

Tire bead forming method and
apparatus
U.S. patent: 5,882,458
Issued: March 16, 1999
Inventors: Robert Kolb and Daniel
Giovanoni
Assigned: Bartell Machinery Systems

Precipitated silicas
U.S. patent: 5,882,617
Issued: March 16, 1999
Inventors: Yvonick Chevallier and
Evelyne Prat
Assigned: Rhone-Poulenc Chimie
1. Precipitated silica having a CTAB
specific surface (ScTAB) of between
100 and 140 [m.sup.2]g, a pore distribution
such that the pore volume consisting
of the pores whose diameter
is between 175 and 275 [Angstrom] represents
less than 50% of the pore volume
consisting of the pores of
diameters smaller than or equal to
400 [Angstrom].

Reserve or backup tire inside a
tubeless tire for automobile or
other vehicles
U.S. patent: 5,885,383
Issued: March 23, 1999
Inventor: Stephen French

[ILLUSTRATION OMITTED]

Polymeric coupling agents for the
adhesion of macromolecular
materials and metal substrates
U.S. patent: 5,882,799
Issued: March 16, 1999
Inventors: Frederik Roseboom, Cornelis
P.J. van der Aar, Adriaan Bantjes
and Minhua Feng
Assigned: Vernay Laboratories

Process for the preparation of elastomer/bitumen
compositions and
their appications as road surfacing
U.S. patent: 5,883,162
Issued: March 16, 1999
Inventors: Jean-Pascal Planche, Laurent
Germanaud and Annie Zins
Assigned: Elf Exploration Production

Heat-curable silicone rubber
composition
U.S. patent: 5,883,171
Issued: March 16, 1999
Inventors: Takao Matsushita and
OsAmu Takuman
Assigned: Dow Corning Toray Silicone

Reduced hysteresis products
prepared with anionic
polymerization initiators
U.S. patent: 5,883,183
Issued: March 16, 1999
Inventors: Takashi Kitamura, David
Lawson, Koichi Morita and Yoichi
Ozawa
Assigned: Bridgestone

Compositions based on elastomeric
polymers of vinylidene flouride,
hexaflouride and optionally tetrafluoroethylene,
suitable for providing
microcellular foamed articles
U.S. patent: 5,833,197
Issued: March 16, 1999
Inventors: Franco Barbieri, Raffaele
Ferro and Guiseppe Fiorillo
Assigned: Ausimont S.p.A.

Pneumatic tire with sidewall reinforcing
rubber layer
U.S. patent: 5,885,385
ssued: March 23, 1999
Inventors: Hikomitsu Noji, Masaki
Noro, Yasujiro Daisho and Issey
Nakakita
Assigned: Yokohama Rubber

Pneumatic tire including main slant
grooves and auxiliary grooves
U.S. patent: 5,885,384
Issued: March 23, 1999
Inventor: Yasuo Himuro
Assigned: Bridgestone Corp.