Patents Represented by Attorney J. A. Powell

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  • Reversion resistant rubber compositions with thio carbamyl sulfenamides
    Patent number: 4119588
    Abstract: Reversion resistant rubber compositions comprising 100 parts by weight of sulfur vulcanizable rubber(s) of which at least 50 parts by weight are natural rubber and/or cis-polyisoprene, sulfur, a thiocarbamyl sulfenamide accelerator, and optionally a benzothiazole accelerator and/or a thiazole sulfenamide accelerator.
    Type: Grant
    Filed: September 14, 1976
    Date of Patent: October 10, 1978
    Assignee: The B. F. Goodrich Company
    Inventor: John Steven Carpino
  • Rubbery bladders from epoxy compositions
    Patent number: 4119592
    Abstract: Rubbery bladders are produced by rotational casting a liquid polymer composition containing (1) an epoxy resin, (2) a liquid carboxyl-terminated polymer, (3) an amine, (4) a dihydric compound, and (5) a plasticizer. In order to obtain the desired flex and tear properties, the equivalent ratio of the other reactants to epoxy must be from about 0.70 to about 1.15. The valve area of the bladder is reinforced with a spun bonded fabric.
    Type: Grant
    Filed: February 25, 1977
    Date of Patent: October 10, 1978
    Assignee: The B. F. Goodrich Company
    Inventor: Walter Thomas Murphy
  • Tire
    Patent number: D272526
    Type: Grant
    Filed: January 27, 1982
    Date of Patent: February 7, 1984
    Assignee: The B. F. Goodrich Company
    Inventor: Miroslav M. Manestar
  • Tire
    Patent number: D274422
    Type: Grant
    Filed: June 25, 1981
    Date of Patent: June 26, 1984
    Assignee: The B. F. Goodrich Company
    Inventor: David A. Wright