Patents Represented by Attorney H. W. Archer
  • Patent number: 4071476
    Abstract: Disclosed and claimed are biodegradable builders for use with water-soluble organic detergent compounds. The builders are alkali metal salts of ester-acids derived from polycarboxylic acid anhydrides.Also claimed are a method for making the compounds and detergent compositions containing the disclosed compounds.
    Type: Grant
    Filed: September 30, 1976
    Date of Patent: January 31, 1978
    Assignee: Texaco Inc.
    Inventor: John A. Patterson