Patents by Inventor Boyton T. Blair

Boyton T. Blair 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).

  • Well drilling and completion composition
    Patent number: 4826611
    Abstract: A well drilling and completion fluid having a potassium salt of a copolymer of (a) acrylic acid, or an .alpha.-substituted acrylic acid and (b) acrylate ester having the general formula CH.sub.2 .dbd.CH--COOR where R is an alkyl or hydroxalkyl having 1 to 4 carbon atoms and substituted R groups; and an accelerator catalyst composed of water, KOH, lignite, sulfonated polystyrene, and, optionally, a vinylsulfonate/vinylamide polymer.
    Type: Grant
    Filed: October 13, 1987
    Date of Patent: May 2, 1989
    Assignee: Engineering & Colloid, Ltd.
    Inventor: Boyton T. Blair
  • Well drilling and completion composition
    Patent number: 4715971
    Abstract: A well drilling and completion fluid having a potassium salt of a copolymer of (a) acrylic acid, or an .alpha.-substituted acrylic acid and (b) acrylate ester having the general formula CH.sub.2 .dbd.CH--COOR where R is an alkyl or hydroxyalkyl having 1 to 4 carbon atoms and substituted R groups; and an accelerator catalyst composed of water, KOH, lignite, sulfonated polystyrene, and, optionally, a vinylsulfonate/vinylamide polymer.
    Type: Grant
    Filed: December 9, 1985
    Date of Patent: December 29, 1987
    Assignee: Engineering & Colloid, Ltd.
    Inventor: Boyton T. Blair