Patents by Inventor Leslie R. Gatechair

Leslie R. Gatechair 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).

  • Publication number: 20090025281
    Abstract: Disclosed is a stabilized diesel fuel composition comprising a) a diesel fuel with a cetane number less than or equal to 50, b) an effective amount of at least one compound selected from the group consisting of the cetane improvers and c) i) an effective stabilizing amount of at least one compound selected from the group consisting of the stable nitroxide compounds or ii) an effective synergistic stabilizing amount of at least one compound selected from the group consisting of the stable nitroxide compounds and at least one antioxidant compound selected from the group consisting of the aromatic amine antioxidants and the hindered phenolic antioxidants. The cetane improvers are for example nitrate esters. The diesel fuel compositions exhibit improved filterability.
    Type: Application
    Filed: September 29, 2008
    Publication date: January 29, 2009
    Inventors: Matthew E. Gande, Leslie R. Gatechair, Ramraj Venkatadri, Andrew Waynick, Steve Westbrook
  • Publication number: 20040216370
    Abstract: Disclosed is a stabilized diesel fuel composition comprising a) a diesel fuel with a cetane number less than or equal to 50, b) an effective amount of at least one compound selected from the group consisting of the cetane improvers and c) i) an effective stabilizing amount of at least one compound selected from the group consisting of the stable nitroxide compounds or ii) an effective synergistic stabilizing amount of at least one compound selected from the group consisting of the stable nitroxide compounds and at least one antioxidant compound selected from the group consisting of the aromatic amine antioxidants and the hindered phenolic antioxidants. The cetane improvers are for example nitrate esters. The diesel fuel compositions exhibit improved filterability.
    Type: Application
    Filed: March 25, 2004
    Publication date: November 4, 2004
    Inventors: Matthew E. Gande, Leslie R. Gatechair, Ramraj Venkatadri, Andrew Waynick, Steve Westbrook
  • Patent number: 5877344
    Abstract: Ethylenically unsaturated carboxyl monomers, such as acrylic or methacrylic acid or their esters, are protected from premature polymerization during manufacture and storage in the presence or absence of water by the incorporation therein of an effective stabilizing amount of a blend two or more nitroxides. Some of these blends provide synergistic stabilization efficacy much superior to the stabilization results obtained by use of either nitroxide alone.
    Type: Grant
    Filed: June 13, 1997
    Date of Patent: March 2, 1999
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Matthew E. Gande, Glen T. Cunkle, Leslie R. Gatechair, Stephen D. Pastor, Raymond Seltzer, Roland A.E. Winter
  • Patent number: 5290888
    Abstract: A process for stabilizing an ethylenically unsaturated monomer or oligomer from premature polymerization is disclosed whereby a stabilizing amount of an N-hydroxy substituted hindered amine is added to said polymerizable monomer or oligomer. The ethylenically unsaturated monomer or oligomer encompass vinyl monomers or oligomers bearing at least one polymerizable moiety. The N-hydroxy substituted hindered amine inhibits premature polymerization in the liquid and/or vapor phase.
    Type: Grant
    Filed: October 2, 1992
    Date of Patent: March 1, 1994
    Assignee: Ciba-Geigy Corporation
    Inventors: Leslie R. Gatechair, James L. Hyun, Peter J. Schirmann
  • Patent number: 5258138
    Abstract: A process for stabilizing an ethylenically unsaturated monomer or oligomer from premature polymerization is disclosed whereby a stabilizing amount of an amine, preferably a substituted hindered amine, in combination with phenothiazine or other related heterocyclic moiety is added to said polymerizable monomer or oligomer. The ethylenically unsaturated monomer or oligomer encompass vinyl monomers or oligomers bearing at least one polymerizable moiety. The combination of substituted hindered amine plus phenothiazine inhibits premature polymerization in the liquid and/or vapor phase.
    Type: Grant
    Filed: October 2, 1992
    Date of Patent: November 2, 1993
    Assignee: Ciba-Geigy Corporation
    Inventors: Leslie R. Gatechair, Raymond Seltzer, James L. Hyun
  • Patent number: 5254760
    Abstract: The polymerization of a vinyl aromatic compound, such as styrene, during distillation or purification is very effectively inhibited by the presence of at least one stable nitroxyl compound together with at least one aromatic nitro compound.
    Type: Grant
    Filed: July 29, 1992
    Date of Patent: October 19, 1993
    Assignee: Ciba-Geigy Corporation
    Inventors: Roland A. E. Winter, Sheng-Shing Li, Leslie R. Gatechair, Volker H. von Ahn
  • Patent number: 4707432
    Abstract: A free radical polymerizable composition comprising a free radical polymerizable material and a photoinitiator system therefor comprising appropriate amounts of an alpha-cleavage or homolytic bond cleavage, photoinitiator and a ferrocenium salt, said composition being suitable for use in the preparation of protective layers and photographic images.
    Type: Grant
    Filed: September 23, 1985
    Date of Patent: November 17, 1987
    Assignee: Ciba-Geigy Corporation
    Inventors: Leslie R. Gatechair, Gary M. Blumenstein, Peter J. Schirmann
  • Patent number: 4649062
    Abstract: Vehicles for ultraviolet radiation-curable ceramic enamels comprise (a) acrylate- or methacrylate-modified oligomers; (b) acrylate or methacrylate monomers, the functionality of (a) and (b) being selected to provide desired film and firing characteristics; (c) a combination of photoinitiators to provide a balance of surface and through cure; and an inhibitor to enhance shelf life. Printing media comprising pigmented frits and the vehicles are described, as are methods for their application to heat-resistant substrates, especially glass.
    Type: Grant
    Filed: April 25, 1985
    Date of Patent: March 10, 1987
    Assignee: Ciba-Geigy Corporation
    Inventors: Raymond S. Kosiorek, Leslie R. Gatechair