1
Michael B Rodgers, Stanley M Mezynski, Adel F Halasa, Wen Liang Hsu, Barry A Matrana, Joel L Cox: Process for preparing styrene-isoprene-butadiene rubber. The Goodyear Tire & Rubber Company, Alvin T Rockhill, December 21, 1993: US05272220 (41 worldwide citation)

The subject invention discloses a styrene-isoprene-butadiene rubber which is particularly valuable for use in making truck tire treads, said rubber being comprised of repeat units which are derived from about 5 weight percent to about 20 weight percent styrene, from about 7 weight percent to about 3 ...


2
Wen Liang Hsu, Adel F Halasa: Process for preparing a rubbery terpolymer of styrene, isoprene and butadiene. The Goodyear Tire & Rubber Company, Alvin T Rockhill, August 11, 1992: US05137998 (40 worldwide citation)

The subject invention relates to a technique for synthesizing rubbery terpolymers of styrene, isoprene and butadiene. These rubbery terpolymers exhibit an excellent combination of properties for utilization in tire tread rubber compounds. By utilizing such terpolymers in tire treads, tires having im ...


3
Manoj Ajbani, Wen Liang Hsu, Adel Farhan Halasa, Ginger Lee, Eric Sean Castner: Light weight rubber composition containing clay. The Goodyear Tire & Rubber Company, Alvin T Rockhill, April 27, 2004: US06727311 (36 worldwide citation)

This invention discloses a rubber composition that is comprised of: (1) an amino group containing rubbery polymer, wherein said amino group containing rubbery polymer contains from about 0.1 weight percent to about 20 weight percent of monomer units containing an amino group, and (2) from about 0.1 ...


4
Adel F Halasa, Wen Liang Hsu, David J Zanzig, Paul H Sandstrom, Steven K Henning, Danielle Lucas: High performance blend for tire treads. The Goodyear Tire & Rubber Company, Alvin T Rockhill, July 9, 1996: US05534592 (31 worldwide citation)

This invention reveals a high performance polybutadiene rubber blend comprised of (a) a first polybutadiene rubber, (b) a second polybutadiene rubber, and (c) a third polybutadiene rubber; wherein the first polybutadiene rubber, the second polybutadiene rubber, and the third polybutadiene rubber are ...


5
Wen Liang Hsu, Barry A Matrana, Adel F Halasa, Michael B Rodgers, Jennifer L Gabor: Isoprene-butadiene rubber. The Goodyear Tire & Rubber Company, Alvin T Rockhill, April 11, 1995: US05405927 (31 worldwide citation)

The subject invention discloses an isoprenebutadiene rubber which is particularly valuable for use in making truck tire treads, said rubber being comprised of repeat units which are derived from about 20 weight percent to about 50 weight percent isoprene and from about 50 weight percent to about 80 ...


6
Adel Farhan Halasa, Wen Liang Hsu, Laurie Elizabeth Austin: Process and catalyst system for synthesizing random trans SBR with low vinyl microstructure. The Goodyear Tire & Rubber Company, Alvin T Rockhill, August 15, 2000: US06103842 (30 worldwide citation)

The process and catalyst system of this invention can be utilized to synthesize a highly random styrene-butadiene rubber having a high trans content by solution polymerization. The styrene-butadiene rubber made by the process of this invention can be utilized in tire tread rubbers that exhibit impro ...


7
Tseng Jan Hsu, Wen Liang Hsu: Host signal processor modem and telephone. PC Tel, David T Millers, Hugh H Matsubayashi, Skjerven Morrill MacPherson Franklin & Friel, August 17, 1999: US05940459 (29 worldwide citation)

A host signal processor (HSP) modem has a software interface between HSP modem hardware and native audio hardware in a host computer. No hard wire connections between modem hardware and audio hardware are required for synchronization. Instead, a software clock recovery system matches a transfer rate ...


8
Adel F Halasa, Wen Liang Hsu, Brian J Doucet, Laurie E Austin: High performance segmented elastomer. The Goodyear Tire & Rubber Company, Alvin T Rockhill, August 24, 1993: US05239009 (25 worldwide citation)

It is highly desirable for tire treads to exhibit good traction characteristics such as good wet skid resistance. However, it has traditionally been very difficult to improve the traction characteristics of a tire without sacrificing rolling resistance and tread wear. The high performance segmented ...


9
Adel Farhan Halasa, Wen Liang Hsu: Process for preparing 3,4-polyisoprene rubber. The Goodyear Tire & Rubber Company, Alvin T Rockhill, October 14, 1997: US05677402 (25 worldwide citation)

This invention reveals an initiator system which is comprised of (a) a lithium initiator, (b) a sodium alkoxide and (c) a polar modifier; wherein the molar ratio of the sodium alkoxide to the lithium initiator is within the range of about 0.05:1 to about 3:1; and wherein the molar ratio of the polar ...


10
Adel Farhan Halasa, Wen Liang Hsu, David John Zanzig, Paul Harry Sandstrom, Steven Kristofer Henning, Danielle Lucas: Process for preparing high vinyl polbutadiene rubber. The Goodyear Tire & Rubber Company, Alvin T Rockhill, August 5, 1997: US05654384 (25 worldwide citation)

This invention reveals a process for preparing high vinyl polybutadiene rubber which comprises polymerizing 1,3-butadiene monomer with a lithium initiator at a temperature which is within the range of about 5.degree. C. to about 100.degree. in the presence of a sodium alkoxide and a polar modifier, ...



Click the thumbnails below to visualize the patent trend.