Patents by Inventor Stanley Le Sota

Stanley Le Sota 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).

  • Crushed foam coated leather and leather-like materials
    Patent number: 4061822
    Abstract: Crushed foam coated leather and leather-like materials characterized by excellent foam adherence, are prepared by flowing foamed compounded polymeric latices into contact with a leather or leather-like substrate and partially drying same, followed by compressive crushing of the dried foam, plating or embossing to achieve optimum adhesion, and further heating and curing to develop maximum physical properties.
    Type: Grant
    Filed: June 9, 1975
    Date of Patent: December 6, 1977
    Assignee: Rohm and Haas Company
    Inventors: John G. Brodnyan, Donald F. Holloway, Stanley Le Sota
  • Emulsion copolymers of acrolein and their use in treating leather
    Patent number: 4016127
    Abstract: Emulsion copolymers containing a) from about 0.25 to about 4% by weight acrolein, b) from about 0.5 to about 10% by weight of an ethylenically unsaturated carboxylic acid, and c) up to about 99.25% by weight of an alkyl acrylate, an alkyl methacrylate, or mixtures thereof are disclosed. The copolymers are useful in leather treating compositions, and particularly in base coat compositions.
    Type: Grant
    Filed: January 31, 1975
    Date of Patent: April 5, 1977
    Assignee: Rohm and Haas Company
    Inventors: Bjorn E. Larsson, Stanley Le Sota