Patents by Inventor John R. Haws

John R. Haws 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).

  • Polymeric blends
    Patent number: 4442265
    Abstract: A polymeric blend containing (1) copolymer of lactone with conjugated diene or monovinylarene or both conjugated diene and monovinylarene, (2) acrylic ester polymer and (3) coumarone-indene resin.
    Type: Grant
    Filed: September 29, 1982
    Date of Patent: April 10, 1984
    Assignee: Phillips Petroleum Company
    Inventor: John R. Haws
  • Polymeric blends
    Patent number: 4393170
    Abstract: A polymeric blend containing (a) copolymer of lactone with conjugated diene or monovinylarene or both conjugated diene and monovinylarene, (b) acrylic ester polymer, and (c) coumarone-indene resin. A polymeric blend as described above also containing (d) conjugated diene monovinylarene teleblock copolymer.
    Type: Grant
    Filed: July 22, 1981
    Date of Patent: July 12, 1983
    Assignee: Phillips Petroleum Company
    Inventor: John R. Haws
  • Rubber compositions and method therefor
    Patent number: 4259218
    Abstract: A particular carbon black in a medium vinyl polybutadiene composition gives a vulcanizable rubber composition with superior blowout resistance, low heat buildup, and good resilience after vulcanizing. Such a carbon black in blends of medium vinyl polybutadiene and natural rubber provides a vulcanizable rubber composition having good dynamic wire cord adhesion (as measured by time to failure).
    Type: Grant
    Filed: January 2, 1979
    Date of Patent: March 31, 1981
    Assignee: Phillips Petroleum Company
    Inventor: John R. Haws