Patent News.

Tire having silica reinforced rubber
tread containing carbon fibers

U.S. patent: 5,718,781
Issued: February 17, 1998
Inventors: John Joseph Andre Verthe,
Joseph Kevin Hubbell and Gregory
Martin Holtzapple
Assigned: Goodyear Tire & Rubber

Silica reinforced rubber composition

U.S. patent: 5,719,208
Issued: February 17, 1998
Inventors: Lawson Gibson Wideman,
Paul Harry Sandstrom and Denise
Jeannette Keith
Assigned: Goodyear Tire & Rubber

Solid block and random elastomeric
copolymers

U.S. patent: 5,717,035
Issued: February 10, 1998
Inventors: Thomas S. Coolbaugh,
Frederick C. Loveless and Demetreos
N. Matthews
Assigned: Mobil Oil Corporation

Combination system of pneumatic
semiradial fires for front and rear
wheels

U.S. patent: 5,718,784
Issued: February 17, 1998
Inventor: Tsuyoshi Takamatsu
Assigned: Bridgestone Corporation

[ILLUSTRATION OMITTED]

Hypo-allergenic natural rubber
products from parthenium argentatum
(gray) and other non-hevea
brasiliensis species

U.S. patent: 5,717,050
Issued: February 10, 1998
Inventor: Katrinia Cornish
Assigned: U.S.A, Secretary of
Agriculture

Method of determining a pitch
arrangement of a tire

U.S. patent: 5,717,613
Issued: February 10, 1998
Inventor: Yukio Nakajima
Assigned: Bridgestone Corporation

[ILLUSTRATION OMITTED]

Truck tire with cap/base construction
tread

U.S. patent: 5,718,782
Issued: February 17, 1998
Inventor: Fernand Antoine Joseph
Fourgon
Assigned: Goodyear Tire & Rubber

[ILLUSTRATION OMITTED]

Treatment of rubber to form
bituminous compositions

U.S. patent: 5,719,215
Issued: February 17, 1998
Inventors: Zhi-zhong Liang and
Raymond T. Woodhams
Assigned: Polyphalt L.L.C.

Process for producing a nonwoven
web using silane modified elastomeric
compositions

U.S. patent: 5,719,219
Issued: February 17, 1998
Inventors: Ketan N. Shah and Stephen
M. Campbell
Assigned: Kimberly-Clark Worldwide

Tread of heavy duty pneumatic
radial tire

U.S. patent: 5,720,831
Issued: February 24, 1998
Inventors: Yasutoshi Aoki and
Yasutaka Enoki
Assigned: Bridgestone Corporation

[ILLUSTRATION OMITTED]

Tack-free elastomeric acrylate
microspheres

U.S. patent: 5,719,247
Issued: February 17, 1998
Inventors: Joaquin Delgado and
Spencer F. Silver
Assigned: Minnesota Mining and
Manufacturing Company

Machine for manufacturing vulcanized
rubber tubes

U.S. patent: 5,718,798
Issued: February 17, 1998
Inventor: Andrea Deregibus
Assigned: Deregibus A. & A. S.p.A.

Silica reinforced rubber compositions
and tire with tread

U.S. patent: 5,719,207
Issued: February 17, 1998
Inventors: Martin Paul Cohen, John
Pennington Lawrence and Cheryl Ann
Losey
Assigned: Goodyear Tire & Rubber

Process for preparing solid elastomeric
polyurethanes having
reduced surface skinning

U.S. patent: 5,719,229
Issued: February 17, 1998
Inventors: Richard S. Pantone and
Ashok M. Sarpeshkar
Assigned: Bayer Corporation

Rubber composition for a radial tire
having improved processability and
adhesive strength

U.S. patent: 5,723,523
Issued: March 3, 1998
Inventors: Martin L. Engelhardt and
Kyung-Kyu Kang
Assigned: Hankook Tire Mfg., Co., Ltd.

Silicone rubbers of improved green
strength and low compression set

U.S. patent: 5,721,300
Issued: February 24, 1998
Inventors: Wolfgang Knies and
Werner Guske
Assigned: Wacker-Chemie GmbH

Method and apparatus for recovering
constituents from discarded tires

U.S. patent: 5,720,232
Issued: February 24, 1998
Inventor: William R. Meador

[ILLUSTRATION OMITTED]

Steel cord for reinforcement of offroad
tire, method of manufacturing
the same, and off-road tire

U.S. patent: 5,722,226
Issued: March 3, 1998
Inventor: Kazuo Matsumaru
Assigned: Tokyo Rope Manufacturing

[ILLUSTRATION OMITTED]

Track-belt for track driven vehicles

U.S. patent: 5,722,745
Issued: March 3, 1998
Inventors: Denis Courtemanche and
Mario Bouchard
Assigned: Centre de Recherches
Camoplast

Bob Samples, Akron Rubber Development