Patents by Inventor Clifford Duckworth

Clifford Duckworth 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).

  • Treatment of textile materials
    Patent number: 4095944
    Abstract: A novel method of mercerization in which the cellulosic textile material is saturated for a period of 60 seconds or less and preferably 10 seconds or less in a solution of an alkaline swelling agent, usually caustic soda at a concentration of 8.75% or more and at a temperature of 50.degree. C or more.
    Type: Grant
    Filed: June 4, 1976
    Date of Patent: June 20, 1978
    Assignee: Mather & Platt Limited
    Inventor: Clifford Duckworth