Patents by Inventor Mark W. Siefken

Mark W. Siefken 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).

  • Rapidly curable siloxane composition
    Patent number: 4167617
    Abstract: A method of curing at least one silane containing a labile group in the presence of a highly fluorinated aliphatic sulfonyl catalyst.
    Type: Grant
    Filed: January 3, 1978
    Date of Patent: September 11, 1979
    Assignee: Minnesota Mining and Manufacturing Company
    Inventor: Mark W. Siefken
  • Vulcanizable alkoxysilyl capped polymer composition
    Patent number: 4020043
    Abstract: A room temperature moisture curable composition contains a vulcanizable polymer having at least one terminal trialkoxysilyl group and a catalytic amount of a fluoroaliphaticsulfonyl-substituted ethylene compound.
    Type: Grant
    Filed: March 7, 1975
    Date of Patent: April 26, 1977
    Assignee: Minnesota Mining and Manufacturing Company
    Inventor: Mark W. Siefken