Patents by Inventor Gregory L. McCraw

Gregory L. McCraw 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).

  • Process for preparing carboxylates of polyoxyalkylene siloxanes
    Patent number: 5670685
    Abstract: A process for preparing carboxylates of polyoxyalkylene siloxanes and -amines, alkylpolyoxyalkylenes, polyoxyalkylene block polymers, alkylamidepolyoxyalkylenes and alkylpolyglucosides comprising subjecting a primary hydroxyl group-containing polyoxyalkylene compound or alkylpolyglucoside to mild oxidiation. The invention also relates to the novel polyoxyalkylene amine and alkylamidepolyoxyalkylene carboxylates prepared by the process.
    Type: Grant
    Filed: June 6, 1995
    Date of Patent: September 23, 1997
    Assignee: Clariant Finance (BVI) Limited
    Inventors: Parfait J. M. Likibi, Robert V. Casciani, Gregory L. McCraw
  • Process for preparing carboxylates of alkylpolyglucosides
    Patent number: 5668261
    Abstract: A process for preparing carboxylates of polyoxyalkylene siloxanes and -amines, alkylpolyoxyalkylenes, polyoxyalkylene block polymers, alkylamidepolyoxyalkylenes and alkylpolyglucosides comprising subjecting a primary hydroxyl group-containing polyoxyalkylene compound or alkylpolyglucoside to mild oxidiation. The invention also relates to the novel polyoxyalkylene amine and alkylamidepolyoxyalkylene carboxylates prepared by the process.
    Type: Grant
    Filed: March 7, 1996
    Date of Patent: September 16, 1997
    Assignee: Clariant Finance (BVI) Limited
    Inventors: Parfait J. M. Likibi, Robert V. Casciani, Gregory L. McCraw
  • Process for preparing carboxylates of alkylpolyoxyalkylenes
    Patent number: 5504246
    Abstract: A process for preparing carboxylates of polyoxyalkylene siloxanes and -amines, alkylpolyoxyalkylenes, polyoxyalkylene block polymers, alkylamidepolyoxyalkylenes and alkylpolyglucosides comprising subjecting a primary hydroxyl group-containing polyoxyalkylene compound or alkylpolyglucoside to mild oxidiation. The invention also relates to the novel polyoxyalkylene amine and alkylamidepolyoxyalkylene carboxylates prepared by the process.
    Type: Grant
    Filed: June 30, 1994
    Date of Patent: April 2, 1996
    Assignee: Sandoz Ltd.
    Inventors: Parfait J. Likibi, Robert V. Casciani, Gregory L. McCraw
  • Carboxylate of certain polyoxyalkylene amines
    Patent number: 5334756
    Abstract: A process for preparing carboxylates of polyoxyalkylene siloxanes and -amines, alkylpolyoxyalkylenes, polyoxyalkylene block polymers, alkylamidepolyoxyalkylenes and alkylpolyglucosides comprising subjecting a primary hydroxyl group-containing polyoxyalkylene compound or alkylpolyglucoside to mild oxidiation. The invention also relates to the novel polyoxyalkylene amine and alkylamidepolyoxyalkylene carboxylates prepared by the process.
    Type: Grant
    Filed: March 26, 1991
    Date of Patent: August 2, 1994
    Assignee: Sandoz Ltd.
    Inventors: Parfait J. M. Likibi, Robert V. Casciani, Gregory L. McCraw