Patents by Inventor Harvey L. Anderson

Harvey L. Anderson 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).

  • Hydrophilic silicones
    Patent number: 4657959
    Abstract: Curable silicon prepolymers are made hydrophilic after cure by mixing the prepolymer with ethoxylated nonionic surface active agent or cationic or amphoteric fluorochemical surface active agent. The cured silicones have semipermanent hydrophilicity and are especially useful as dental impressions.
    Type: Grant
    Filed: November 15, 1985
    Date of Patent: April 14, 1987
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Thomas T. Bryan, Harvey L. Anderson
  • Surgical cement composition
    Patent number: 4288355
    Abstract: A surgical cement comprised of a concentrated non-gelling aqueous solution of a polycarboxylic acid and an aqueous suspension of metal oxide powder which when mixed together form a plastic mass which is formable into the desired shape before it hardens. The surgical cement has particular utility for dental applications.
    Type: Grant
    Filed: May 22, 1978
    Date of Patent: September 8, 1981
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Harvey L. Anderson, Ronald M. Randklev
  • Two way side dump bucket attachment for front end loader
    Patent number: 4220438
    Abstract: An improved two way side dump bucket attachment for an otherwise conventional front end loader having an arrangement for conventional bucket movement longitudinally of the loader. Unlatching of the bucket and lateral movement of the bucket to a selected side are accomplished simultaneously by activation of a single control.
    Type: Grant
    Filed: January 29, 1979
    Date of Patent: September 2, 1980
    Inventor: Harvey L. Anderson, Jr.