Patents by Inventor Kathryn S. Crawford

Kathryn S. Crawford 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).

  • Publication number: 20200375944
    Abstract: The present invention describes ophthalmic lipoic acid choline ester compositions and specific processes to produce biocompatible formulations of said compositions suitable for the eye.
    Type: Application
    Filed: March 9, 2020
    Publication date: December 3, 2020
    Inventors: Shikha P. BARMAN, William R. BURNS, Kathryn S. CRAWFORD, Kevin L. WARD
  • Publication number: 20110212885
    Abstract: A method and a contact lens solution comprising 0.001 to 10 weight percent or a preservative enhancer chosen from the group consisting of: SEQ ID NO.1 and SEQ ID NO. 2; and at least 0.0001 weight percent of a preservative agent, and where the concentration of chloride in said solution is less than 0.2 percent by weight.
    Type: Application
    Filed: March 1, 2011
    Publication date: September 1, 2011
    Inventors: Francis X. Smith, Kathryn S. Crawford
  • Patent number: 7939501
    Abstract: A contact lens solution comprising 0.001 to 10 weight percent or a preservative enhancer chosen from the group consisting of: D4E1, D2A21, and P-113; and at least 0.0001 weight percent of a preservative, and where the concentration of chloride in said solution is less than 0.2 percent by weight.
    Type: Grant
    Filed: April 15, 2004
    Date of Patent: May 10, 2011
    Inventors: Francis X. Smith, Kathryn S. Crawford
  • Publication number: 20080167246
    Abstract: A contact lens solution comprising 0.001 to 10 weight percent or a preservative enhancer chosen from the group consisting of: D4E1, D2A21, and P-113; and at least 0.0001 weight percent of a preservative, and where the concentration of chloride in said solution is less than 0.2 percent by weight.
    Type: Application
    Filed: April 15, 2004
    Publication date: July 10, 2008
    Inventors: Francis X. Smith, Kathryn S. Crawford