Patent News.

Method of making latex-free elastic
exercise bands
U.S. patent: 5,945,060
Issued: August 31, 1999
Inventor: Colin David Williams
Assigned: Magister
Keywords: TPE, extruded

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Tire production process using water
jet treatment
U.S. patent: 5,944,925
Issued: August 31, 1999
Inventors: Jean-Marie Courel, Denis
Schruoffeneger and Serge Solignac
Assigned: Compagnie Generale des
Establissements Michelin-Michelin & Cie
Keywords: Precured tread, water jet,
surface roughness, adhesion

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Pneumatic tires having reduced
rolling resistance
U.S. patent: 5,955,531
Issued: September 21, 1999
Inventor: Shingo Futamura
Assigned: Bridgestone
Keywords: Reduce hysteresis, tin, lead,
pyrrolidide, aryl, substituted ketimines,
substituted aldimines, substituted secondary
amines

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Molecular weight regulation of cis-1,4-polybutadiene
using carboxylates
U.S. patent: 5,955,553
Issued: September 21, 1999
Inventors: James Oziomek, Thomas A.
Antkowiak and Tristram W. Bethea
Assigned: Bridgestone

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Inflation valve having over pressure
protection
U.S. patent: 5,954,081
Issued: September 21, 1999
Inventors: Kenneth D. Everhard and
Donald H. Smith
Assigned: Aircraft Braking Systems

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Pneumatic radial tire
U.S. patent: 5,954,107
Issued: September 21, 1999
Inventors: Tetsuya Kuze, Yoshimasa
Hashimoto, Toshihiko Suzuki,
Sadakazu Takei, Izumi Kuramochi and
Hiroshi Tokizaki
Assigned: Yokohama Rubber

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Cast polyurethane elastomers
containing low polarity amine
curing agents
U.S. patent: 5,955,559
Issued: September 21, 1999
Inventors: Dale Lee Handlin, Jr.,
Steven Soohyun Chin, Aisa Sendijarevic,
Vahid Sendijarevic and Kurt C.
Frisch
Assigned: Shell Oil

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Refrigerant hose
U.S. patent: 5,957,164
Issued: September 28, 1999
Inventor: Scott Campbell
Assigned: Aeroquip
Keywords: Barrier hose, EPDM, nylon,
polyester braid

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Epihalohydrin electrical stress
controlling material
U.S. patent: 5,962,569
Issued: October 5, 1999
Inventors: Thomas J. D. Heyer and
Robert A. Wandmacher
Assigned: 3M Innovative Properties
Keywords: Gum silicone, hydrated aluminum
silicate

Pneumatic tire having improved wet
traction
U.S. patent: 5,957,179
Issued: September 28, 1999
Inventor: Maurice Graas
Assigned: Goodyear Tire & Rubber

Foam processible rubber compositions
and vulcanized rubber foam
molded products of the same
U.S. patent: 5,962,543
Issued: October 5, 1999
Inventors: Masaaki Kawasaki, Shuichi
Nonaka, Masao Kunizane, Taku Koda
and Tetsuo Tojo
Assigned: Mitsui Chemicals

Rubber compositions containing
N-(4-hydroxyphenyl) stearamide
U.S. patent: 5,962,562
Issued: October 5, 1999
Inventors: Lawson Wideman, Sharon
Carmickle-Seibert and Paul Sandstrom
Assigned: Goodyear Tire & Rubber
Keyword: Processing

Method of producing power
transmission belt
U.S. patent: 5,961,760
Issued: October 5, 1999
Inventors: Yoshitaka Tajima and
Takamitsu Akashi
Assigned: Bando Chemical Industries

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Rubber compositions of low
compression set
U.S. patent: 5,962,589
Issued: October 5, 1999
Inventors: Kazuhisa Matsumoto, Etsuo
Minamino, Yoshiko Mori and
Tsuyoshi Noguchi
Assigned: Daikin Industries
Keywords: Peroxide, fluororubber,
acrylic rubber

Poly (metal carboxylate)
grafted rubbers with high modulus
U.S. patent: 5,962,593
Issued: October 5, 1999
Inventors: William L. Hergenrother,
Frederick J. Ravagnani and John M.
Doshak
Assigned: Bridgestone

Hydrophilic and hydrophobic
polyether polyurethanes
and uses therefor
U.S. patent: 5,962,620
Issued: October 5, 1999
Inventors: Murray H. Reich, Ken Nelson
and Jirina Kuzma
Assigned: Tyndale Plains-Hunter

Tire with white sidewall
U.S. patent: 5,964,969
Issued: October 12, 1999
Inventors: Paul Harry Sandstrom,
George Philemon Patitsas and Thomas
Joseph Segatta
Assigned: Goodyear Tire & Rubber
Keywords: Blend of polymers, diene,
butyl, low M.W. EPDM and higher
M.W. EPDM

Unvulcanized rubber mixture for
treads of vehicle pneumatic tires
U.S. patent: 5,965,661
Issued: October 12, 1999
Inventors: Andre du Bois, Joachim
Dumke, Anja Schneider and Wolfgang
Loreth
Assigned: Continental AG
Keywords: Silicic acid filler

Tire tread for ice traction
U.S. patent: 5,967,211
Issued: October 19, 1999
Inventors: Danielle Lucas, Giorgio
Agostini, Filomeno Gennaro Corvasce,
James Oral Hunt and Olivier Louis
Assigned: Goodyear Tire & Rubber
Keywords: Cellulose fibers, ceramic
particles, coupling agent

Multi-piece solid golf ball
U.S. patent: 5,967,907
Issued: October 19, 1999
Inventors: Kohei Takemura, Akihiro
Nakahara and Akihiko Hamada
Assigned: Sumitomo Rubber

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Thermoplastic polyurethane/
rubbery polymer blend
U.S. patent: 5,969,047
Issued: October 19, 1999
Inventors: Hung Dang Ngoc and
Bernard Louis Marie Nigen
Assigned: Goodyear Tire & Rubber
Keywords: Acrylates, styrene, surfactant,
crosslinking agent

System and method for measuring
and controlling the quality of
dispersion of filler particles in
rubber compounds
U.S. patent: 5,974,167
Issued: October 26, 1999
Inventor: James M. Reszler
Assigned: M.A. Hanna Rubber
Compounding

Hydrophilic nitrile rubber
U.S. patent: 5,969,051
Issued: October 19, 1999
Inventor: Gary Richard Tompkin
Assigned: Goodyear Tire & Rubber
Keywords: Carboxylated nitrile, sulfur
trioxide, dimethylformamide, NaOH,
KOH

Tubeless pneumatic tire with
carcass having butyl-based inner
topping rubber layer
U.S. patent: 5,971,049
Issued: October 26, 1999
Inventors: Nobuaki Minami, Kazuya
Suzuki and Yukio Endo
Assigned: Sumitomo Rubber

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Adhesive RTV silicone rubber
compounds
U.S. patent: 5,969,057
Issued: October 19, 1999
Inventors: Peter Schoeley, Gisela
Liesch, Cornelia Sczepanski and Ulrich
Michel
Assigned: Huels Silicone GmbH

Fluoroelastomer and its
crosslinkable composition
U.S. patent: 5,969,066
Issued: October 19, 1999
Inventors: Takashi Enokida, Hajime
Akimoto and Haruyoshi Tatsu
Assigned: Nippon Mektron

Pneumatic tire with asymmetric
tread profile
U.S. patent: 5,971,048
Issued: October 26, 1999
Inventors: Stephen Michael Ashmore
and Firdos Phiroz Avari
Assigned: Sumitomo Rubber

Method of manufacturing radial tire
having wound band
U.S. patent: 5,972,142
Issued: October 26, 1999
Inventors: Yutaka Kuroda, Masayuki
Sakamoto, Toshihiko Omokawa and
Kazuya Suzuki
Assigned: Sumitomo Rubber

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Reversibly-crosslinked polymers for
shear thinning phase change ink jet
inks
U.S. patent: 5,973,036
Issued: October 26, 1999
Inventors: Michael D. Matzinger and
Robert P. Rodebaugh
Assigned: Westvaco

Aqueous silicone dispersions
crosslinkable into elastomeric
state by dehydration
U.S. patent: 5,973,061
Issued: October 26, 1999
Inventors: Michel Feder and Jean
Ulrich
Assigned: Rhone-Poulenc Chimie

Absorption mat and method of
making same
U.S. patent: 5,972,470
Issued: October 26, 1999
Inventor: Wilhelm Engst
Assigned: Clouth Gummiwerke AG
Keywords: Granulated elastomers,
absorbing, trapping, hydrocarbons

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Device for supporting a tread
U.S. patent: 5,975,171
Issued: November 2, 1999
Inventor: Renaud Rivaton
Assigned: Compagnie Generale des
Establissements Michelin-Michelin &
Cie

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Powder-free latex articles and
methods of making the same
U.S. patent: 5,974,589
Issued: November 2, 1999
Inventors: Bradley L. Pugh and Russell
D. Culp
Assigned: LRC Products, Ltd.

Pneumatic tire
U.S. patent: 5,975,172
Issued: November 2, 1999
Inventor: Hidekatsu Nakatsuji
Assigned: Sumitomo Rubber

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Pair of high-transverse curvature
tires for two-wheeled vehicles having
different belt structures and method
of controlling the behavior of such
vehicles on a bend
U.S. patent: 5,975,175
Issued: November 2, 1999
Inventor: Giancarlo Armellin
Assigned: Pirelli Coordinamento
Pneumatici S.p.A.

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Silicone rubber compositions for
high-voltage electrical insulators
and polymeric bushings
U.S. patent: 5,977,216
Issued: November 2, 1999
Inventors: Noriyuki Meguriya, Susumu
Sekiguchi and Syuuichi Azechi
Assigned: Shin-Etsu Chemical

Process for imparting low
compression set to liquid injection
moldable silicone elastomers
U.S. patent: 5,977,220
Issued: November 2, 1999
Inventors: Frank S. Burkus, II, Edward
M. Jeram and Slawomir Rubinsztajn
Assigned: General Electric

Rubber mixtures containing
polysulphide polyether silanes
U.S. patent: 5,977,225
Issued: November 2, 1999
Inventors: Thomas Scholl, Hermann-Josef
Weidenhaupt, Heinrich
Konigshofen and Ulrich Eisele
Assigned: Bayer AG

Chloroprene rubber latex for
adhesive, process of production
thereof, and adhesive composition
using the same
U.S. patent: 5,977,222
Issued: November 2, 1999
Inventors: Hisamasa Wakayama,
Tadashi Hayashi and Yukihiko Harada
Assigned: Tosoh

Aqueous composition for antimigration
and antiozone protection of tires
U.S. patent: 5,977,239
Issued: November 2, 1999
Inventors: Christian Chauffour, Patrick
Cohen, Alain Cottin and Georges Peyron
Assigned: Michelin & Cie

Rubber composition which contains
anti-reversion material and tire with
component thereof
U.S. patent: 5,981,637
Issued: November 9, 1999
Inventors: Edward John Blok, Lawson
Gibson Wideman, Paul Harry Sandstrom,
and John Eugene Varner
Assigned: Goodyear Tire & Rubber
Keywords: Tris(maleamic acid derivative)amine

Silica reinforced rubber composition
and use in tires
U.S. patent: 5,981,633
Issued: November 9, 1999
Inventors: Paul Harry Sandstrom,
Roger John Hopper, and Joseph
Andrew Kuczkowski
Assigned: Goodyear Tire & Rubber
Keywords: Silica coupler, N,N1-dimethyl-N,
N1-dithiobis (benzenesulfonamide)
and bis(3-triethoxysilylpropyl)
tetrasulfide

Rubber composition based on
carbon black having silica fixed
to its surface and on diene polymer
functionalized with alkoxysilane
U.S. patent: 5,977,238
Issued: November 2, 1999
Inventor: Gerard Labauze
Assigned: Michelin & Cie

Heavy duty pneumatic radial tires
with bead portion reinforcing layer
having two different cord inclination
angles
U.S. patent: 5,979,528
Issued: November 9, 1999
Inventor: Toshiya Miyazono
Assigned: Bridgestone