Patents Assigned to Ingenieurburo Leuenberger AG
  • Essentially neutral rust converter and rust preventive
    Patent number: 4598114
    Abstract: The rust converter and rust preventive contains(a) an aqueous dispersion, emulsion or solution of at least one polymeric binder and(b) at least one trihydroxybenzene.(c) It has an essentially neutral reaction.
    Type: Grant
    Filed: June 27, 1985
    Date of Patent: July 1, 1986
    Assignee: Ingenieurburo Leuenberger AG
    Inventor: Ulrich Berens