Patents by Inventor Kenneth G. Trout

Kenneth G. Trout 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: 5660926
    Abstract: A closed cell, rigid polymer foam which comprises the reaction product of a polyisocyanate and an isocyanate-reactive component in the presence of a catalyst and a hydrogen-containing blowing agent or a mixture of a hydrogen-containing blowing agent and at least one co-blowing agent wherein the isocyanate-reactive component comprises (a) a hydroxy terminated polyester having an equivalent weight greater than about 350, or (b) a mixture of the hydroxy terminated polyester with at least one other isocyanate-reactive compound. Foams prepared with the hydroxy terminated polyester have superior shrinkage resistance, strength and long-term insulating efficiency.
    Type: Grant
    Filed: December 9, 1996
    Date of Patent: August 26, 1997
    Assignees: The Celotex Corporation, Apache Products Co.
    Inventors: Michael J. Skowronski, Kenneth G. Trout
  • Patent number: 5605940
    Abstract: A closed cell, rigid polymer foam which comprises the reaction product of a polyisocyanate and an isocyanate-reactive component in the presence of a catalyst and a hydrogen-containing blowing agent or a mixture of a hydrogen-containing blowing agent and at least one co-blowing agent wherein the isocyanate-reactive component comprises (a) a hydroxy terminated polyester having an equivalent weight greater than about 350, or (b) a mixture of the hydroxy terminated polyester with at least one other isocyanate-reactive compound. Foams prepared with the hydroxy terminated polyester have superior shrinkage resistance, strength and long-term insulating efficiency.
    Type: Grant
    Filed: February 13, 1995
    Date of Patent: February 25, 1997
    Assignees: The Celotex Corporation, Apache Products Co.
    Inventors: Michael J. Skowronski, Kenneth G. Trout
  • Patent number: 5563180
    Abstract: Rigid, closed cell polyisocyanurate foams are prepared by reacting together a polyisocyanate and a polyester polyol or a mixture of a polyester polyol and at least one other isocyanate-reactive compound in the presence of (a) a hydrogen-containing blowing agent or a mixture of a hydrogen-containing blowing agent and at least one co-blowing agent and (b) a catalyst mixture comprising (i) a carboxylate salt of an alkali metal or an alkaline earth metal or mixtures thereof, (ii) a quaternary ammonium carboxylate salt, and (iii) optionally a tertiary amine, wherein the mole ratio of carboxylate metal salt: tertiary amine is a value greater than about 2:1, and the total moles of quaternary ammonium carboxylate salt are less than the combined moles of the carboxylate metal salt and the tertiary amine.
    Type: Grant
    Filed: July 10, 1995
    Date of Patent: October 8, 1996
    Assignee: The Celotex Corporation
    Inventors: Michael J. Skowronski, Kenneth G. Trout
  • Patent number: 5470889
    Abstract: Rigid, closed cell polyisocyanurate foams are prepared by reacting together a polyisocyanate and a polyester polyol or a mixture of a polyester polyol and at least one other isocyanate-reactive compound in the presence of (a) a hydrogen-containing blowing agent or a mixture of a hydrogen-containing blowing agent and at least one co-blowing agent and (b) a catalyst mixture comprising (i) a carboxylate salt of an alkali metal or an alkaline earth metal or mixtures thereof, (ii) a tertiary amine, and (iii) a quaternary ammonium carboxylate salt, wherein the mole ratio of carboxylate metal salt: tertiary amine is a value less than about 2:1, and the total moles of quaternary ammonium carboxylate salt are less than the combined moles of the carboxylate metal salt and the tertiary amine.
    Type: Grant
    Filed: February 10, 1995
    Date of Patent: November 28, 1995
    Assignee: The Celotex Corporation
    Inventors: Michael E. Londrigan, Kenneth G. Trout
  • Patent number: 5405884
    Abstract: Rigid, closed cell polyisocyanurate foams are prepared by reacting together a polyisocyanate and a polyester polyol or a mixture of a polyester polyol and at least one other isocyanate-reactive compound in the presence of (a) a hydrogen-containing blowing agent or a mixture of a hydrogen-containing blowing agent and at least one co-blowing agent and (b) a catalyst mixture comprising (i) a carboxylate salt of an alkali metal or an alkaline earth metal or mixtures thereof, (ii) a tertiary amine, and (iii) a quaternary ammonium carboxylate salt, wherein the mole ratio of carboxylate metal salt: tertiary amine is a value less than about 2:1, and the total moles of quaternary ammonium carboxylate salt are less than the combined moles of the carboxylate metal salt and the tertiary amine.
    Type: Grant
    Filed: April 8, 1994
    Date of Patent: April 11, 1995
    Assignee: The Celotex Corporation
    Inventors: Michael E. Londrigan, Kenneth G. Trout
  • Patent number: 5362764
    Abstract: A closed cell, rigid polyisocyanurate foam which comprises the reaction product of a polyisocyanate and a polyol in the presence of (a) a hydrogen-containing blowing agent or a mixture of a hydrogen-containing blowing agent and at least one co-blowing agent, and (b) a siloxane oxyalkylene copolymer (i) having a molecular weight below about 7500 and an oxyalkylene portion containing greater than 60 weight percent of oxyethylene units and (ii) being prepared by the reaction of an organohydrogensiloxane with a polyoxyalkylene in an essentially solventless system or in the presence of a high boiling point polar polyol.
    Type: Grant
    Filed: February 28, 1994
    Date of Patent: November 8, 1994
    Assignee: The Celotex Corporation
    Inventors: Michael E. Londrigan, Kenneth G. Trout
  • Patent number: 5308883
    Abstract: Rigid, closed cell polyisocyanurate foams are prepared by reacting together a polyisocyanate and a polyester polyol or a mixture of a polyester polyol and at least one other isocyanate-reactive compound in the presence of (a) a hydrogen-containing blowing agent or a mixture of a hydrogen-containing blowing agent and at least one co-blowing agent and (b) a catalyst mixture comprising (i) a carboxylate salt of an alkali metal or an alkaline earth metal or mixtures thereof, (ii) a tertiary amine, and (iii) a quaternary ammonium carboxylate salt, wherein the equivalent ratio of carboxylate metal salt: tertiary amine is a value less than about 3:1, and the quaternary ammonium carboxylate salt is present in an amount which enhances the char structure of polyisocyanurate foams made with the catalyst mixture and subjected to flammability char tests.
    Type: Grant
    Filed: May 18, 1993
    Date of Patent: May 3, 1994
    Assignee: The Celotex Corporation
    Inventors: Michael E. Londrigan, Kenneth G. Trout
  • Patent number: 5308881
    Abstract: A closed cell, rigid polyisocyanurate foam which comprises the reaction product of a polyisocyanate and a polyol in the presence of (a) a hydrogen-containing blowing agent or a mixture of a hydrogen-containing blowing agent and at least one co-blowing agent, and (b) a siloxane oxyalkylene copolymer (i) having a molecular weight below about 7500 and an oxyalkylene portion containing greater than 60 weight percent of oxyethylene units and (ii) being prepared by the reaction of an organohydrogensiloxane with a polyoxyalkylene in an essentially solventless system or in the presence of a high boiling point polar polyol.
    Type: Grant
    Filed: October 25, 1993
    Date of Patent: May 3, 1994
    Assignee: The Celotex Corporation
    Inventors: Michael E. Londrigan, Kenneth G. Trout
  • Patent number: 5164422
    Abstract: An isocyanate-terminated quasi-prepolymer is prepared by reacting an organic polyisocyanate and a polyester polyol which comprises the reaction product of a polycarboxylic acid component and ethylene glycol or a mixture of ethylene glycol and at least one other glycol. The use of the quasi-prepolymer in the preparation of rigid cellular polymers, especially polyisocyanurate foams, enhances the thermal insulating properties of the foams, and helps to reduce their cost and blowing agent usage.
    Type: Grant
    Filed: November 25, 1991
    Date of Patent: November 17, 1992
    Assignee: The Celotex Corporation
    Inventors: Michael E. Londrigan, Scott C. Snider, Kenneth G. Trout
  • Patent number: 5064873
    Abstract: Rigid cellular polymers are made by reacting an isocyanate-terminated quasi-prepolymer with a polyol component comprising a polyester polyol having a free glycol content of less than about 7 percent by weight of the polyester polyol in the presence of a blowing agent. The combined use of the quasi-prepolymer and the polyester polyol enhances the thermal insulating properties of the foams.
    Type: Grant
    Filed: April 24, 1989
    Date of Patent: November 12, 1991
    Assignee: Jim Walter Research Corp.
    Inventors: Scott C. Snider, Michael E. Londrigan, Kenneth G. Trout
  • Patent number: 4933232
    Abstract: A binder/release system for the preparation of molded articles, especially lignocellulosic composites, which utilizes in combination with isocyanate-based binders a fatty material as an internal and/or external release agent, the fatty material being at least one polymerized fatty acid and/or at least one polycarboxyl compound containing a polymeric fatty radical(s).
    Type: Grant
    Filed: July 21, 1988
    Date of Patent: June 12, 1990
    Assignee: Jim Walter Research Corp.
    Inventors: Kenneth G. Trout, George A. Grozdits, Ernest K. Moss, James F. Daly
  • Patent number: 4898776
    Abstract: A synthetic board is prepared by a process of contacting lignocellulosic material with a binder and subsequently forming the treated material into a board by the application of heat and pressure, wherein (a) the binder comprises an organic polyisocyanate and a reactive hydrogen-containing component, especially an aromatic polyester polyol, and (b) the lignocellulosic material is additionally contracted with a surfactant.
    Type: Grant
    Filed: November 21, 1988
    Date of Patent: February 6, 1990
    Assignee: Jim Walter Reasearch Corp.
    Inventors: Michael G. Israel, George A. Grozdits, Kenneth G. Trout
  • Patent number: 4772442
    Abstract: A binder/release system for the preparation of molded articles, especially lignocellulosic composites, which utilizes in combination with isocyanate-based binders a fatty material as an internal and/or external release agent, the fatty material being at least one polymerized fatty acid and/or at least one polycarboxyl compound containing a polymeric fatty radical(s).
    Type: Grant
    Filed: November 28, 1986
    Date of Patent: September 20, 1988
    Assignee: Jim Walter Research Corp.
    Inventors: Kenneth G. Trout, George A. Grozdits, Ernest K. Moss, James F. Daly