Patents by Inventor Sidney G. Wyatt

Sidney G. Wyatt 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).

  • Patent number: 4285827
    Abstract: A method of making a paint stripper comprising mixing a water soluble cellulose gum e.g. hydroxy ethyl cellulose or ethyl cellulose, with water and with a film forming polymer e.g. an acrylic polymer, vinyl acrylic polymer, or vinyl acetate polymer, vinyl acetate copolymer, and adding to the resulting emulsion a mixture of methylene chloride and a cellulose gum which is soluble therein, e.g. ethyl cellulose or hydroxy propyl cellulose.The invention is from another aspect a paint stripper comprising methylene chloride emulsified in the presence of a film forming polymer.
    Type: Grant
    Filed: August 16, 1979
    Date of Patent: August 25, 1981
    Assignee: R.J. Hamer Limited
    Inventor: Sidney G. Wyatt