Patents Examined by Theodore Morru
  • Lyophobic detackifiers
    Patent number: 5060682
    Abstract: A process for detackifying paint in a wet paint spray booth wherein water is used to wash the air containing oversprayed paint from the paint spray operation. The process comprises forming stable colloid solutions consisting of weakly electropositive metals. Additionally, to activate the metal cation, various anionic or cathionic polymers may be selected and used.
    Type: Grant
    Filed: October 4, 1990
    Date of Patent: October 29, 1991
    Assignee: Laboratories, Inc. Betz
    Inventor: Gene A. Merrell
  • Starch adhesive composition containing an oxidized waxy starch ester
    Patent number: 4231803
    Abstract: A gummed adhesive formulation is disclosed which contains as its major component a depolymerized waxy starch ester, preferably an oxidized waxy starch acetate or succinate. Quick tack properties imparted to tape by this formulation are superior to those resulting from an adhesive made from a thin boiling waxy starch and are comparable to those of animal glue at 11 lb/ream remoistening level.
    Type: Grant
    Filed: May 22, 1978
    Date of Patent: November 4, 1980
    Assignee: Anheuser-Busch Incorporated
    Inventors: Edward M. Bovier, James A. Carter