Patents Assigned to Cobar Resources, Inc.
  • Water soluble rosin flux
    Patent number: 4290824
    Abstract: A rosin flux with a water soluble rosin derivative replacing the rosin of otherwise a typical rosin flux such that residues of solder flux be completely removable with either a water based or solvent based cleaning substance.
    Type: Grant
    Filed: December 10, 1979
    Date of Patent: September 22, 1981
    Assignee: Cobar Resources, Inc.
    Inventor: Hugh F. Cole