Patents by Inventor David B. McCall

David B. McCall 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).

  • Alkylated alkyl polyglucoside non-ionic surfactants
    Patent number: 6958314
    Abstract: A petro-chemical free nonionic surfactant is prepared by the alkylation of an alkyl polyglucoside (APG). Under suitable alkylation reaction conditions, the surfactants are preferably prepared by the reaction of an APG with either alkyl halide or an alkyl tosylate. These surfactants are low foaming and exhibit excellent detergency.
    Type: Grant
    Filed: March 5, 2003
    Date of Patent: October 25, 2005
    Assignee: Master Chemical Corporation
    Inventor: David B. McCall
  • Alkylated alkyl polyglucoside non-ionic surfactants
    Publication number: 20040254084
    Abstract: A petro-chemical free nonionic surfactant is prepared by the alkylation of an alkyl polyglucoside (APG). Under suitable alkylation reaction conditions, the surfactants are preferably prepared by the reaction of an APG with either alkyl halide or an alkyl tosylate. These surfactants are low foaming and exhibit excellent detergency.
    Type: Application
    Filed: March 5, 2003
    Publication date: December 16, 2004
    Inventor: David B. McCall