Patent News.

Thermoplastic urethane
elastomeric alloys
U.S. patent: 5,747,588
Issued: May 5, 1998
Inventor: William H. Mann
Assigned: Refac International, Ltd.

Epoxidized solid
elastomeric copolymers
U.S. patent: 5,747,598
Issued: May 5, 1998
Inventors: Thomas S. Coolbaugh, Frederick
Charles Loveless and Demetreos
Matthews
Assigned: Mobil Oil Corp.

Dihydropyridines as vulcanization
accelerators for NR or SR
U.S. patent: 5,747,601
Issued: May 5, 1998
Inventors: Fabio Broussard, Mauro Adovasio
and Jose Roncalli
Assigned: Great Lakes Chemical Italia

Polymers used in elastomeric binders
for high-energy compositions
U.S. patent: 5,747,603
Issued: May 5, 1998
Inventors: Jerald C. Hinshaw and
R. Scott Hamilton
Assigned: Thiokol Corp.

Reactor blend polypropylene,
process for the preparation
thereof and process for preparing
metallocene ligands
U.S. patent: 5,747,621
Issued: May 5, 1998
Inventors: Luigi Resconi, Fabrizio Piemontesi
and Lin-Chen Yu
Assigned: Montell Technology Co.

Room temperature curing
polyurethane compositions
U.S. patent: 5,747,627
Issued: May 5, 1998
Inventors: Kazushi Kimura, Toshimitsu
Takeda, Hiroyuki Hosoda, Kazunori Ishikawa
and Hiroyuki Okuhira
Assigned: Yokohama Rubber

Low fogging rubbery polymer
U.S. patent: 5,750,263
Issued: May 12, 1998
Inventors: Hung Dang Ngoc and
Mariano Salazar
Assigned: Goodyear Tire & Rubber

Polyurethane elastomers prepared
from aliphatic polyisocyanates
and polyesterether polyols
U.S. patent: 5,750,580
Issued: May 12, 1998
Inventors: Eduard Mayer and Jurgen
Gronen
Assigned: Bayer Aktiengesellschaft

Bitumen/polymer composition vulcanizable
at temperatures below 100 [degrees] C
U.S. patent: 5,750,598
Issued: May 12, 1998
Inventors: Dennis Krivohlavek, Gayle
King and Jean-Pascal Planche
Assigned: Eli France

Nonflammable olefin thermoplastic
elastomer for use in skins of
interior automotive trim and
laminate sheet made therefrom
U.S. patent: 5,750,600
Issued: May 12, 1998
Inventors: Yutaka Nozokido, Shinichi
Akitaya, Akinori Arai and Toyokazu
Nakauchi
Assigned: Chisso Corp.

Flameproofed polycarbonate/ABS
blends resistant to stress cracking
U.S. patent: 5,750,602
Issued: May 12, 1998
Inventors: Burkhard Kohler, Jurgen
Kirsch, Richard Weider, Dieter Wittmann
and Horst Beicher
Assigned: Bayer AG

Injector combustion gas seal
U.S. patent: 5,752,487
Issued: May 19, 1998
Inventors: Bradley W. Harrell and Alan
R. Stockner
Assigned: Caterpillar

Ultraviolet protective agent
U.S. patent: 5,750,609
Issued: May 12, 1998
Inventors: Tsutomu Nosu, Wataru
Hiraishi and Yoshiharu Sawa
Assigned: Kyowa Chemical Industry

High temperature, low viscosity
thermoplastic elastomer block
copolymer compositions
U.S. patent: 5,750,622
Issued: May 12, 1998
Inventor: Glenn Roy Himes
Assigned: Shell Oil

Thread-wound golf balls
U.S. patent: 5,752,888
Issued: May 19, 1998
Inventors: Takashi Maruko and Junji
Hayashi
Assigned: Bridgestone Sports

Phenolic resin curatives which form
nonstaining TPE
U.S. patent: 5,750,625
Issued: May 12, 1998
Inventors: Robert Eugene Medsker,
Raman Patel and Abdou Sabet
Assigned: Advanced Elastomer Systems

Process for the preparation of
unsubstituted and substituted
diaryl phenylenediamines
U.S. patent: 5,750,786
Issued: May 12, 1998
Inventor: Budd Harvey Sturm
Assigned: Goodyear Tire & Rubber

Pneumatic tire having
pitch sequencing
U.S. patent: 5,753,057
Issued: May 19, 1998
Inventor: Piotr Janusz Wesolowski
Assigned: Goodyear Tire & Rubber