Patents by Inventor Albert H. Stoskopf

Albert H. Stoskopf 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).

  • Patent number: 4186108
    Abstract: Liquid compositions are described which comprise certain sulfonium complex salts dissolved in oxyethylene-containing organic material. The compositions are dilutable with, for example, epoxides to form photocopolymerizable compositions.
    Type: Grant
    Filed: February 8, 1978
    Date of Patent: January 29, 1980
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Robert C. Carlson, Albert H. Stoskopf
  • Patent number: 3971745
    Abstract: An aqueous polyurethane emulsion having improved wet strength properties in film form, said aqueous emulsion comprising a blend of an aqueous emulsion comprising an internally emulsified ionic polyurethane polymer with a minor amount of an aqueous emulsion comprising epoxy resin.
    Type: Grant
    Filed: December 21, 1973
    Date of Patent: July 27, 1976
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Robert C. Carlson, Albert H. Stoskopf