Patents by Inventor José L. Reyes-Gavilan

José L. Reyes-Gavilan 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).

  • Stable imidazoline solutions
    Patent number: 7682526
    Abstract: A imidazoline concentrate, uses of the concentrate, and methods of increasing a storage stability of solutions containing the concentrate are disclosed. The concentrate may include a reaction product of a fatty acid, an alkylene polyamine, a hydrocarbyl succinic acid or anhydride, and an alkoxylated alkylphenol component. The concentrate may contain from about 2 to about 50 wt. % of the alkyphenol component.
    Type: Grant
    Filed: December 22, 2005
    Date of Patent: March 23, 2010
    Assignee: Afton Chemical Corporation
    Inventors: Scott Anthony Culley, José L. Reyes-Gavilan
  • Copper and optical fiber cable with improved filling material
    Patent number: 6816655
    Abstract: A copper and optical fiber filling material that comprises a hydrocarbon component, which is semisolid at use temperatures in combination with an antioxidant system comprising of (a) sulfur containing primary phenolic antioxidant; (b) a mixture of mono- and di-alkyl butyl/octyl diphenylamine; (c) an organic phosphite or phosphonite and (d) optionally one or more hindered phenol antioxidants exhibits excellent oxidative stability.
    Type: Grant
    Filed: October 29, 2002
    Date of Patent: November 9, 2004
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Jose L. Reyes-Gavilan, Frederick T. Lichtenburg
  • Copper and optical fiber cable with improved filling material
    Publication number: 20030142932
    Abstract: A copper and optical fiber filling material that comprises a hydrocarbon component, which is semisolid at use temperatures in combination with an antioxidant system comprising of (a) sulfur containing primary phenolic antioxidant; (b) a mixture of mono- and di-alkyl butyl/octyl diphenylamine; (c) an organic phosphite or phosphonite and (d) optionally one or more hindered phenol antioxidants exhibits excellent oxidative stability.
    Type: Application
    Filed: October 29, 2002
    Publication date: July 31, 2003
    Inventors: Jose L. Reyes-Gavilan, Frederick T. Lichtenburg
  • Stabilized hydrotreated and hydrowaxed lubricant compositions
    Patent number: 6410490
    Abstract: The instant invention relates to a lubricant composition stabilized against the deleterious effects of heat and oxygen. The composition comprises a hydrotreated or hydrodewaxed oil and an effective antioxidant stabilizing amount of a mixture of a phenolic antioxidant; an N,N-disubstituted aminomethyl-1,2,4-triazole; an aromatic amine antioxidant; an alkyl phenoxy alkanoic acid; and an N-acyl sarcosine derivative. Optionally, further additives are added to the subject lubricant compositions.
    Type: Grant
    Filed: May 18, 2000
    Date of Patent: June 25, 2002
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Jose L. Reyes-Gavilan, Frederick T. Lichtenberg, Adesola O. Oshode, Miles J. Hutchings, Peter Collen Hamblin, Michael Fletschinger, Peter Rohrbach
  • Enhanced hydrocarbon lubricants for use with immiscible refrigerants
    Patent number: 5866030
    Abstract: Fluid refrigeration compositions comprising a hydrocarbon lubricant, an immiscible refrigerant and an additive capable of reducing the interfacial tension between the hydrocarbon lubricant and refrigerant.
    Type: Grant
    Filed: July 21, 1997
    Date of Patent: February 2, 1999
    Assignee: Witco Corporation
    Inventors: Jose L. Reyes-Gavilan, Alan D. Eckard, G. Thomas Flak, Todd R. Tritcak, Leonard Aconsky
  • Reduction of enterfacial tension between hydrocarbon lubricant and immiscible liquid refrigerant
    Patent number: 5792383
    Abstract: Fluid refrigeration compositions comprising a hydrocarbon lubricant, an immiscible refrigerant and an additive capable of reducing the interfacial tension between the hydrocarbon lubricant and refrigerant.
    Type: Grant
    Filed: September 7, 1994
    Date of Patent: August 11, 1998
    Assignee: Witco Corporation
    Inventors: Jose L. Reyes-Gavilan, Alan D. Eckard, G. Thomas Flak, Todd R. Tritcak, Leonard Aconsky