Patents by Inventor William Samuel Kohnstamm

William Samuel Kohnstamm 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).

  • Process for treating fibres
    Patent number: 4098701
    Abstract: Process for the treatment of cellulosic or synthetic fibres, or blends of these, to impart resilience and anti-pilling properties. The process comprises applying to the fibres a composition, especially an aqueous emulsion, containing (A) a polydiorganosiloxane in which at least two silicon-bonded substituents contain at least two amino groups, (B) a siloxane having silicon-bonded hydrogen atoms and (C) a siloxane curing catalyst.
    Type: Grant
    Filed: June 10, 1977
    Date of Patent: July 4, 1978
    Assignee: Dow Corning Limited
    Inventors: Peter Martin Burrill, William Samuel Kohnstamm