Patents Represented by Attorney Donald Sell

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  • Process for preparing synthetic absorbable poly(esteramides)
    Patent number: 4529792
    Abstract: A body absorbable polymeric material for implantation which is a condensation product of reacting a diamine with lactic or glycolic acid to form a diamidediol which is then reacted with a bischloroformate or a compound selected from the group consisting of dicarboxylic acids, methyl and ethyl esters of dicarboxylic acids, diacidchlorides, and anhydrides of a dicarboxylic acid.
    Type: Grant
    Filed: May 6, 1982
    Date of Patent: July 16, 1985
    Assignee: Minnesota Mining and Manufacturing Company
    Inventor: Thomas H. Barrows
  • Perfluoroalkylsulfonamidoaryl compounds
    Patent number: 4086255
    Abstract: Phenyl-substituted perfluoroalkanesulfonanilides in which the phenyl rings are linked by sulfur, sulfinyl or sulfonyl and salts thereof in which the rings and the perfluoroalkylsulfonamido nitrogen are optionally substituted. The compounds are active herbicides and some are anti-inflammatory agents and analgesic agents.
    Type: Grant
    Filed: January 10, 1977
    Date of Patent: April 25, 1978
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: George G. I. Moore, Joseph Kenneth Harrington
  • Document filming camera
    Patent number: 4042298
    Abstract: A document filming camera for placing successive images of documents or the image of a continuous document on a strip of film and for adding recording marks along the edge of the film indicating the position of the frame on the film exposed to a document and for placing marks at intervals along the film when filming a continuous fan-fold document, as produced by a computer, to indicate the location of each successive page of the document.
    Type: Grant
    Filed: February 19, 1976
    Date of Patent: August 16, 1977
    Assignee: Minnesota Mining and Manufacturing Company
    Inventor: John A. Herrmann