Patents by Inventor Igor Riff

Igor Riff 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).

  • Soluble oil containing overbased sulfonate additives
    Patent number: 8114822
    Abstract: The present invention is directed to a soluble oil composition capable of forming stable emulsions exhibiting superior performance and possessing excellent utility as cutting oil for machines. The composition comprises an overbased alkaline earth metal sulfonate possessing anti-wear properties.
    Type: Grant
    Filed: October 24, 2006
    Date of Patent: February 14, 2012
    Assignee: Chemtura Corporation
    Inventors: Michael T. Costello, Igor Riff
  • Emulsifier blends for lubricating oils
    Patent number: 7585822
    Abstract: An emulsifier blend includes at least one alkali metal sulfonate and at least one alkali metal alkyl salicylate. The emulsifier blend can be combined with a lubricant oil to provide a water-miscible lubricating oil concentrate capable of forming a stable aqueous emulsion when added to an aqueous medium.
    Type: Grant
    Filed: November 23, 2004
    Date of Patent: September 8, 2009
    Assignee: Crompton Corporation
    Inventors: Michael T. Costello, Zhaopeng Li, Ronald J. Muir, Igor Riff, Joseph A. Weaver, Jr.
  • Method for improving the oxidative stability of industrial fluids
    Patent number: 7579306
    Abstract: An oxidatively stable biodegradable industrial fluid is disclosed, wherein the industrial fluid is comprised of an epoxidized vegetable oil or synthetic ester in combination with at least one antioxidant. A method for improving the oxidation stability of industrial fluids is also disclosed and comprises employing as the base oil of said hydraulic fluid an epoxidized synthetic ester in combination with at least one antioxidant.
    Type: Grant
    Filed: February 22, 2006
    Date of Patent: August 25, 2009
    Assignee: Chemtura Corporation
    Inventors: Michael T. Costello, Igor Riff, Rebecca F. Seibert
  • Anti-oxidants in soluble oil base for metal working fluids
    Patent number: 7569526
    Abstract: Disclosed herein is a method for reducing the oxidative and biological degradation of a metalworking fluid comprising adding thereto at least one antioxidant and at least one biocide.
    Type: Grant
    Filed: March 12, 2004
    Date of Patent: August 4, 2009
    Assignee: Crompton Corporation
    Inventors: Michael T. Costello, Igor Riff
  • Soluble oil containing overbased sulfonate additives
    Publication number: 20080096777
    Abstract: The present invention is directed to a soluble oil composition capable of forming stable emulsions exhibiting superior performance and possessing excellent utility as cutting oil for machines. The composition comprises an overbased alkaline earth metal sulfonate possessing anti-wear properties.
    Type: Application
    Filed: October 24, 2006
    Publication date: April 24, 2008
    Inventors: Michael T. Costello, Igor Riff
  • Method of improving properties of hydroforming fluids using overbased sulfonate
    Publication number: 20060223719
    Abstract: A method for improving lubricants employed in hydroforming processes is disclosed wherein said method comprises adding to said lubricants at least one overbased detergent and at least one friction modifier.
    Type: Application
    Filed: April 4, 2006
    Publication date: October 5, 2006
    Inventors: Igor Riff, Michael Costello
  • Method for improving the oxidative stability of industrial fluids
    Publication number: 20060199748
    Abstract: An oxidatively stable biodegradable industrial fluid is disclosed, wherein the industrial fluid is comprised of an epoxidized vegetable oil or synthetic ester in combination with at least one antioxidant. A method for improving the oxidation stability of industrial fluids is also disclosed and comprises employing as the base oil of said hydraulic fluid an epoxidized synthetic ester in combination with at least one antioxidant.
    Type: Application
    Filed: February 22, 2006
    Publication date: September 7, 2006
    Inventors: Michael Costello, Igor Riff, Rebecca Seibert
  • Natural and synthetic sodium sulfonate emulsifier blends
    Publication number: 20060183649
    Abstract: An emulsifier composition includes at least one natural alkali metal petroleum sulfonate and at least one synthetic alkali metal sulfonate. The emulsifier composition can be combined with a lubricant oil to provide a water-miscible lubricating oil concentrate which forms a stable aqueous emulsion upon the addition thereto of an aqueous medium.
    Type: Application
    Filed: January 4, 2006
    Publication date: August 17, 2006
    Inventors: Michael Costello, Igor Riff, Joseph Weaver, Rebecca Seibert
  • Emulsifier blends for lubricating oils
    Publication number: 20060111252
    Abstract: An emulsifier blend includes at least one alkali metal sulfonate and at least one alkali metal alkyl salicylate. The emulsifier blend can be combined with a lubricant oil to provide a water-miscible lubricating oil concentrate capable of forming a stable aqueous emulsion when added to an aqueous medium.
    Type: Application
    Filed: November 23, 2004
    Publication date: May 25, 2006
    Inventors: Michael Costello, Zhaopeng Li, Ronald Muir, Igor Riff, Joseph Weaver
  • Low sediment friction modifiers
    Publication number: 20050124510
    Abstract: An additive mixture for lubricant oils includes an overbased alkaline earth metal sulfonate, and at least one friction modifier selected from the group consisting of an overbased alkaline earth carboxylate, the reaction product of an alkanolamine with a fatty acid or a fatty acid ester and the reaction product of thiodiglycol or a dialkylene glycol with a fatty acid or a fatty acid ester. The additive mixture, when combined with a lubricant stock, provides a lubricant composition characterized by less sedimentation during storage.
    Type: Application
    Filed: December 9, 2003
    Publication date: June 9, 2005
    Inventors: Michael Costello, Igor Riff, Joseph Weaver
  • Sodium petroleum sulfonate blends as emulsifiers for petroleum oils
    Publication number: 20040248996
    Abstract: An emulsifier composition suitable for mixing with oil to make lubricants is disclosed that comprises:
    Type: Application
    Filed: June 7, 2004
    Publication date: December 9, 2004
    Applicant: CROMPTON CORPORATION
    Inventors: Michael T. Costello, Igor Riff, Rebecca F. Siebert, Joseph A. Weaver
  • Anti-oxidants in soluble oil base for metal working fluids
    Publication number: 20040204326
    Abstract: Disclosed herein is a method for reducing the oxidative and biological degradation of a metalworking fluid comprising adding thereto at least one antioxidant and at least one biocide.
    Type: Application
    Filed: March 12, 2004
    Publication date: October 14, 2004
    Applicant: CROMPTON CORPORATION
    Inventors: Michael T. Costello, Igor Riff
  • Sodium sulfonate blends as emulsifiers for petroleum oils
    Patent number: 6225267
    Abstract: The present invention relates to an emulsifier composition suitable for mixing with oil to form lubricants comprising at least one non-extracted salt of a natural petroleum sulfonic acid having about 15 wt-% to about 30 wt-% active content; at least one branched chain alkylaryl sulfonic acid or salt thereof; at least one linear alkylaryl sulfonic acid or salt thereof; and optionally at least one other sulfonic acid or salt thereof for adjusting the average equivalent equivalent weight of the resultant emulsifier composition.
    Type: Grant
    Filed: April 4, 2000
    Date of Patent: May 1, 2001
    Assignee: CK Witco Corporation
    Inventors: Alan Eckard, Joseph A. Weaver, Jr., Igor Riff
  • Overbased sulfonates combined with petroleum oxidates for metal forming
    Patent number: 5439602
    Abstract: Compositions of matter comprising petroleum oxidate having a total acid number no greater than 35, and overbased calcium sulfonate having a total base number of at least about 150 and a strong total base number less than 10, which are free of or contain no more than trace amounts of carboxylic acids containing 8 or fewer carbon acids, are oil-soluble, non-gelling, and useful in metalworking compositions imparting lubricity and corrosion protection.
    Type: Grant
    Filed: July 6, 1994
    Date of Patent: August 8, 1995
    Assignee: Witco Corporaton
    Inventors: Alan D. Eckard, Igor Riff