Patents by Inventor Michael B. Rodgers

Michael B. Rodgers has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Cure systems for rubber compounds
    Publication number: 20080287623
    Abstract: The invention relates to the use of alkylphenol disulfide accelerators in butyl and halobutyl compounds.
    Type: Application
    Filed: May 17, 2007
    Publication date: November 20, 2008
    Inventors: Michael B. Rodgers, Nitin K. Tambe, Scott C. Solis, Bharat B. Sharma
  • Bis-(2,5-polythio-1,3,4-thiadiazoles), rubbers containing such compounds, and a method of preparation of bis-(2,5-polythio-1,3,4-thiadiazoles)
    Patent number: 5567821
    Abstract: This invention relates to bis-(2,5-polythio-1,3,4-thiadiazoles), a method for their preparation and their use in rubber compounds. Use of these compounds provide for excellent vulcanization of rubbers and result in an improved final rubber vulcanizate possessing good physical properties.
    Type: Grant
    Filed: May 5, 1995
    Date of Patent: October 22, 1996
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Joseph A. Kuczkowski, Michael B. Rodgers, Kevin L. Rollick
  • Bis-(2,5-polythio-1,3-4-thiadiazoles), rubbers containing such compounds, and a method of preparation of bis-(2,5-polythio-1,3,4-thiadiazoles)
    Patent number: 5451680
    Abstract: This invention relates to bis-(2,5-polythio-1,3,4-thiadiazoles), a method for their preparation and their use in rubber compounds. Use of these compounds provide for excellent vulcanization of rubbers and result in an improved final rubber vulcanizate possessing good physical properties.
    Type: Grant
    Filed: January 31, 1994
    Date of Patent: September 19, 1995
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Joseph A. Kuczkowski, Michael B. Rodgers, Kevin L. Rollick
  • Isoprene-butadiene rubber
    Patent number: 5405927
    Abstract: 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 weight percent 1,3-butadiene, wherein the repeat units derived from isoprene and 1,3-butadiene are in essentially random order, wherein from about 3% to about 10% of the repeat units in said rubber are 1,2-polybutadiene units, wherein from about 50% to about 70% of the repeat units in said rubber are 1,4-polybutadiene units, wherein from about 1% to about 4% of the repeat units in said rubber are 3,4-polyisoprene units, wherein from about 25% to about 40% of the repeat units in the polymer are 1,4-polyisoprene units, wherein the rubber has a glass transition temperature which is within the range of about -90.degree. C. to about -75.degree. C.
    Type: Grant
    Filed: September 22, 1993
    Date of Patent: April 11, 1995
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Wen-Liang Hsu, Barry A. Matrana, Adel F. Halasa, Michael B. Rodgers, Jennifer L. Gabor
  • Styrene-isoprene-butadiene rubber
    Patent number: 5317062
    Abstract: 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 35 weight percent isoprene, and from about 55 weight percent to about 88 weight percent 1,3-butadiene, wherein the repeat units derived from styrene, isoprene and 1,3-butadiene are in essentially random order, wherein from about 25% to about 40% of the repeat units derived from the 1,3-butadiene are of the cis-microstructure, wherein from about 40% to about 60% of the repeat units derived from the 1,3-butadiene are of the trans-microstructure, wherein from about 5% to about 25% of the repeat units derived from the 1,3-butadiene are of the vinyl-microstructure, wherein from about 75% to about 90% of the repeat units derived from the isoprene are of the 1,4-microstructure, wherein from about 10% to about 25% of the re
    Type: Grant
    Filed: July 14, 1993
    Date of Patent: May 31, 1994
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Michael B. Rodgers, Stanley M. Mezynski, Adel F. Halasa, Wen-Liang Hsu, Barry A. Matrana, Joel L. Cox
  • Bis-(2,5-polythio-1,3,4-thiadiazoles), rubbers containing such compounds, and a method of preparation of bis-(2,5-polythio-1,3,4-thiadiazoles)
    Patent number: 5310921
    Abstract: This invention relates to bis-(2,5-polythio-1,3,4-thiadiaxoles), a method for their preparation and their use in rubber compounds. Use of these compounds provide for excellent vulcanization of rubbers and result in an improved final rubber vulcanizate possessing good physical properties.
    Type: Grant
    Filed: August 26, 1992
    Date of Patent: May 10, 1994
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Joseph A. Kuczkowski, Michael B. Rodgers, Kevin L. Rollick
  • Process for preparing styrene-isoprene-butadiene rubber
    Patent number: 5272220
    Abstract: 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 35 weight percent isoprene, and from about 55 weight percent to about 88 weight percent 1,3-butadiene, wherein the repeat units derived from styrene, isoprene and 1,3-butadiene are in essentially random order, wherein from about 25% to about 40% of the repeat units derived from the 1,3-butadiene are of the cis-microstructure, wherein from about 40% to about 60% of the repeat units derived from the 1,3-butadiene are of the trans-microstructure, wherein from about 5% to about 25% of the repeat units derived from the 1,3-butadiene are of the vinyl-microstructure, wherein from about 75% to about 90% of the repeat units derived from the isoprene are of the 1,4-microstructure, wherein from about 10% to about 25% of the re
    Type: Grant
    Filed: September 14, 1992
    Date of Patent: December 21, 1993
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Michael B. Rodgers, Stanley M. Mezynski, Adel F. Halasa, Wen-Liang Hsu, Barry A. Matrana, Joel L. Cox
  • Styrene-butadiene rubber for truck tires
    Patent number: 5262213
    Abstract: The subject invention discloses a styrene-butadiene rubber (SBR) which is particularly valuable for use in making truck tire treads, said rubber being comprised of repeat units which are derived from about 10 weight percent to about 20 weight percent styrene and from about 80 weight percent to about 90 weight percent 1,3-butadiene, wherein the repeat units derived from styrene and 1,3-butadiene have a sequence distribution wherein at least about 55% of the styrene repeat units are in blocks of only one styrene repeat unit, wherein at least about 75% of the styrene repeat units are in blocks of 1 or 2 repeat units, and wherein at least about 5% of the styrene repeat units are in blocks of more than 8 repeat units, wherein from about 32% to about 40% of the repeat units derived from the 1,3-butadiene are of the cis-microstructure, wherein from about 50% to about 60% of the repeat units derived from the 1,3-butadiene are of the trans-microstructure, wherein from about 6% to about 15% of the repeat units derived
    Type: Grant
    Filed: September 14, 1992
    Date of Patent: November 16, 1993
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Michael B. Rodgers, Adel F. Halasa, Wen-Liang Hsu, Barry A. Matrana, Stanley M. Mezynski