Patent News.

(Co)polymers based on vinyl
units and use thereof in
electroluminescent devices
U.S. patent: 5,891,975
Issued: April 6, 1999
Inventors: Yun Chen, Burkhard
Kohler, Rolf Wehrmann, Andreas
Elschner and Ralf Dujardin
Assigned: Bayer AG

Copolymer elastomer, process for
producing the same and composition
containing the same
U.S. patent: 5,891,974
Issued: April 6, 1999
Inventors: Satoru Saito and
Haruyoshi Tatsu
Assigned: Nippon Mektron

Synthesis of energetic
vinyl-terminated polymers
U.S. patent: 5,892,067
Issued: April 6, 1999
Inventor: Mostafa Talukder
Assigned: The United States of
America as represented by the
Secretary of the Navy

Metal laminate gasket with
different coating layers
U.S. patent: 5,893,566
Issued: April 13, 1999
Inventors: Yoshio Miyaoh and Susumu
Inamura
Assigned: Ishikawa Gasket

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Method and system for recovering
marketable end products from
waste rubber
U.S. patent: 5,894,012
Issued: April 13, 1999
Inventor: Gilbert Denison
Assigned: Gilbert Denison

Manufacturing method of water-cover
type transparent keyboard
U.S. patent: 5,894,039
Issued: April 13, 1999
Inventors: Chi-Lung Tsai and
Chui-Yu Chiu
Assigned: Silitek

Polyamide and acrylic rubber
manufactured products and process
for their preparation
U.S. patent: 5,894,051
Issued: April 13, 1999
Inventors: Piero Andreussi, Aroldo
Biggi, Arturo Carrano and Cristina
Gobbi
Assigned: Zeon Chemicals

Method for recapping vehicle tires
U.S. patent: 5,908,523
Issued: June 1, 1999
Inventor: John Thacher
Assigned: VFR

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Assembling and vulcanizing of tires
U.S. patent: 5,908,531
Issued: June 1, 1999
Inventor: Daniel Laurent
Assigned: SedEpro

Preparation of high fatigue
endurance liquid silicone rubber
composition
U.S. patent: 5,908,592
Issued: June 1, 1999
Inventors: Kenichi Kimura, Takeo
Yoshida, Manadu Narumi and Masaya
Arakawa
Assigned: Shin-Etsu Chemical

Pneumatic tire including sub-grooves
U.S. patent: 5,909,756
Issued: June 8, 1999
Inventor: Tatsuya Miyazaki
Assigned: Sumitomo Rubber

High damping gel derived from
extending grafted elastomers and
polypropylene
U.S. patent: 5,910,530
Issued: June 8, 1999
Inventors: Xiaorong Wang, Frank
Clark, Hideo Takeichi, Takahiro Matsuse,
Naruhiko Mashita and Shinichi
Toyosawa
Assigned: Bridgestone

Pneumatic tire with radially inner
and radially outer bead core
U.S. patent: 5,909,757
Issued: June 8, 1999
Inventors: Kiichiro Kakumu and
Masatoshi Tanaka
Assigned: Sumitomo Rubber

Process for producing deproteinized
natural rubber latex
U.S. patent: 5,908,893
Issued: June 1, 1999
Inventors: Atsuko Kawasaki, Shinichi
Nakade and Toshiaki Sakaki
Assigned: Sumitomo Rubber

Method of preparing hydrophobic
precipitated silica
U.S. patent: 5,908,660
Issued: June 1, 1999
Inventors: Phillip Griffith, Brian
Harkness, William Herron, Rosemary
Taylor and David Wilson
Assigned: Dow Corning

Elastomeric coupling system
U.S. patent: 5,910,049
Issued: June 8, 1999
Inventors: Gay DeWachter, Donald
Nisley and Suresh Tirumalai
Assigned: Reliance Electric Industrial

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Corrosion-resistant, form-in-place
EMI shielding gasket
U.S. patent: 5,910,524
Issued: June 8, 1999
Inventor: John Kalinoski
Assigned: Parker-Hannifin

Thermoplastic elastomer
composition and process for
production thereof and low
permeability hose using the same
U.S. patent: 5,910,544
Issued: June 8, 1999
Inventors: Osamu Ozawa, Tetsuji
Kawazura, Noriaki Kuroda, Yoshihiro
Aoyagi, Jiro Watanabe and Gou
Kawaguchi
Assigned: Yokohama Rubber
(12 is the dispersed phase, crosslinked
polyolefin and halogenated p-alkystyrene,
and 10 is the continuous
phase polyamide.)

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Thermoplastic elastomer with polar
and non-polar rubber components
U.S. patent: 5,910,543
Issued: June 8, 1999
Inventors: Raman Patel, Sabet
Abdou-Sabet and Hsien-Chang Wang
Assigned: Advance Elastomer Systems
and Exxon Chemical

Flourine-containing
copolymer elastomer process
for producing the same and
composition containing the same
U.S. patent: 5,910,552
Issued: June 8, 1999
Inventors: Satoru Saito and Haruyoshi
Tatsu
Assigned: Nippon Mektron

Preparation of rubber-modified
molding materials by means of
groups which are incorporated in the
rubber and form free radicals on
thermal decomposition
U.S. patent: 5,910,553
Issued: June 8, 1999
Inventors: Graham McKee, Rainer
Moors, Hermann Gausepohl and
Joachim Seibring
Assigned: BASF AG

Process for preparing deproteinized
natural rubber latex molding and
deproteinizing agent for natural
rubber latex
U.S. patent: 5,910,567
Issued: June 8, 1999
Inventors: Yasuyuki Tanaka, Shinichi
Nakade, Atsuko Ochi, Toshiaki Sakaki,
Masaharu Hayashi, Kazuhiro
Sekiguchi and Akihito Kuga
Assigned: Sumitomo Rubber

Crawler
U.S. patent: 5,913,579
Issued: June 22, 1999
Inventors: Yoichi Kumano and Takeo
Muramatsu
Assigned: Bridgestone

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Silicone rubber composition and
method for the preparation thereof
U.S. patent: 5,912,287
Issued: June 15, 1999
Inventors: Takao Matsushita and
Osamu Takuman
Assigned: Dow Corning Toray Silicone

Vulcanized rubber composition
U.S. patent: 5,912,288
Issued: June 15, 1999
Inventors: Kazuo Nishimoto and
Hitoshi Yamada
Assigned: Nichias
1. A robber composition for use with
fluorocarbons and/or refrigerating
machine oil, said robber composition
consisting essentially of at least one
rubber selected from the group consisting
of a nitrile group-containing rubber,
a chloroprene rubber, and an ethylene
propylene rubber as a base and a mono-functional
epoxy compound

Extended polymer composition
derived from grafted elastomers and
polypropylene
U.S. patent: 5,912,296
Issued: June 15, 1999
Inventors: Xiaorong Wang, Frank
Clark, Hideo Takeichi, Takahiro
Matsuse, Naruhiko Mashita and
Shinichi Toyosawa
Assigned: Bridgestone

Elastomeric compositions and a
process to produce elastomeric
compositions
U.S. patents: 5,912,302
Issued: June 15, 1999
Inventors: Avinash Chandrakant
Gadkari and Gerard Marie Vanhaeren

Ethylene/[Alpha]olefin/non-conjugated
polyene terpolymer rubber
composition and vulcanized rubber
obtained therefrom
U.S. patent: 5,912,303
Issued: June 15, 1999
Inventors: Hidenari Nakahama, Masaaki
Kawasaki, Tetsuo Tojo, Totshiyuki
Tsutsui and Toshihiro Sagane
Assigned: Mitsui Chemicals

Method of producing a polymer LP
(line post) insulator
U.S. patent: 5,915,761
Issued: June 29, 1999
Inventors: Tsutomu Moriya, Takeshi
Shogo and Shuji Fujii
Assigned: NGK Insulators

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Silica reinforced rubber composition
and tire with tread
U.S. patent: 5,914,364
Issued: June 22, 1999
Inventors: Martin Cohen, Cheryl
Losey, Raymond Ruennan, Shingo
Futamura, Thierry Materne, James
Hunt and Ghislain Thise
Assigned: Goodyear Tire & Rubber

Method of making a polyurethane
suede-like fabric/elastomer
composite
U.S. patent: 5,916,636
Issued: June 29, 1999
Inventor: Kirkland Vogt
Assigned: Milliken & Co.

Silicone grafted thermoplastic
elastomeric copolymers and hair
and skin care compositions
containing the same
U.S. patent: 5,916,547
Issued: June 29, 1999
Inventors: Peter Marte Torgerson and
Sanjeev Midha
Assigned: Proctor & Gamble

Elastomeric compounds incorporated
partially coated carbon blacks
U.S. patent: 5,916,934
Issued: June 29, 1999
Inventors: Khaled Mahmud, Meng-Jiao
Wang, Steven Reznek and James Belmont
Assigned: Cabot
1. An elastomeric compound and a silica
coated carbon black

Tire inflating and puncture sealing
composition
U.S. patent: 5,916,931
Issued: June 29, 1999
Inventors: Lawrence Adams and Paul
Hughett
Assigned: Engine Fog

Heat cured fluorosilicone rubber
composition having improved
compression set
U.S. patent: 5,916,937
Issued: June 29, 1999
Inventor: Edwin Evans
Assigned: General Electric

Internal mold release compositions
U.S. patent: 5,916,939
Issued: June 29, 1999
Inventors: Herbert Gillis and Paul
Mackey
Assigned: Imperial Chemical Industries
1. An internal mold release system
comprising (a) a polysiloxane compound
and (b) an amine salt of a carboxylic
acid

Silicone rubber composition for use
in electrical wire covering
U.S. patent: 5,916,940
Issued: June 29, 1999
Inventors: Kazuo Hirai and Takao
Matsushita
Assigned: Dow Corning Toray Silicone

Process for producing a vulcanizable
rubber composition with silica-based
reinforcing filler
U.S. patent: 5,916,951
Issued: June 29, 1999
Inventors: Marco Nahmias, Robert
Schrafft and Christa Joseph
Assigned: Pirelli Coordinamento

Poly(phenylene ether) resin modified
with silicone rubber powder
U.S. patent: 5,916,952
Issued: June 29, 1999
Inventors: David Romenesko and
Steven Mullan
Assigned: Dow Corning

Amine-initiated elastomers having
hysteresis reducing interaction with
silica
U.S. patent: 5,916,961
Issued: June 29, 1999
Inventors: William Hergenrother and
Thomas Lynch
Assigned: Bridgestone

NA, K and LI salts of siloxy
compounds
U.S. patent: 5,916,973
Issued: June 29, 1999
Inventors: Rene Zimmer, Friedrich
Visel, Uwe Frank and Thierry Materne
Assigned: Goodyear Tire & Rubber
1. A method of processing a silica-filled
rubber composition
(i) containing at least one sulfur vulcanizable
elastomer
(ii) a particulate precipitated silica
(iii) a compound of the formula
where x is O or an integer of from 1 to
10, and Y is Li, K or Na.

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Polymers, elastomeric compounds
and products thereof, terminated
with novel amine compounds
containing side-chain organohalide
reactive moieties
U.S. patent: 5,916,976
Issued: June 29, 1999
Inventors: Michael Kerns, William
Hergenrother and David Lawson
Assigned: Bridgestone
1. A functionalized polymer prepared by:
terminating a living polymer with a terminator
defined according to formula (I)
where Z is a halogen atom, a is an integer
from 4 to about 16 and b is an integer
from 0 to about 12.

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Manufacturing process of
polyether-ester amide elastomer
elastic fiber
U.S. patent: 5,917,000
Issued: June 29, 1999
Inventors: J.H. Tsai, J.S. Chiou and
Y.K. Twu

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Fuser member with silicone rubber
and aluminum oxide layer
U.S. patent: 5,918,098
Issued: June 29, 1999
Inventor: Han Lochman Van Bennekom
Assigned: Xerox