Patents by Inventor Krunoslav Muha

Krunoslav Muha 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).

  • Polyester polyurethane flexible slabstock foam made using reduced emission surfactant
    Patent number: 5908871
    Abstract: A method for preparing a polyester polyurethane flexible slabstock foam by reacting an organic polyisocyanate with a polyester polyol in the presence of urethane catalyst, water as a blowing agent and a silicone surfactant characterized in that the silicone surfactant comprises the reaction product of 1,1,1,3,5,5,5-hepta(hydrocarbyl)trisiloxane coupled with polyalkyleneoxide mono allyl ether and capped with a succinic anhydride.
    Type: Grant
    Filed: July 30, 1998
    Date of Patent: June 1, 1999
    Assignee: Air Products and Chemicals, Inc.
    Inventors: John Herbert Frey, David Robert Battice, Krunoslav Muha, Lenin James Petroff
  • Low odor amine catalysts for polyurethane flexible slabstock foams based on polyester polyols
    Patent number: 5591780
    Abstract: A method for preparing a polyester flexible slabstock polyurethane foam which comprises reacting an organic polyisocyanate and a polyester polyol in the presence of a blowing agent, optionally a cell stabilizer and a catalyst composition consisting essentially of N-methylimidazole or 1,2-dimethylimidazole, or both.
    Type: Grant
    Filed: April 17, 1996
    Date of Patent: January 7, 1997
    Assignee: Air Products and Chemicals, Inc.
    Inventors: Krunoslav Muha, Steven P. Hulme, Mark E. Harakal