Patents by Inventor Michael I. Naiman

Michael I. Naiman 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).

  • Polyimide quaternary salts as clay stabilization agents
    Patent number: 5160642
    Abstract: A clayish formation, such as encountered in rock surrounding an oil well bore, is stabilized with a quaternary ammonium salt of an imide of polymaleic anhydride. The invention is particularly relevant to hydraulic fracturing fluids used for enhanced oil recovery.
    Type: Grant
    Filed: May 25, 1990
    Date of Patent: November 3, 1992
    Assignee: Petrolite Corporation
    Inventors: John A. Schield, Michael I. Naiman, Gary A. Scherubel
  • Methods and compositions for reduction of drag in hydrocarbon fluids
    Patent number: 5110874
    Abstract: A method for reducing friction loss in flowing hydrocarbon fluids is disclosed. The method comprises adding to the fluid an effective amount of an oil-soluble polyamine and a terpolymer of styrene, alkyl acrylate and a carboxylic acid selected from the group consisting of acrylic acid and methacrylic acid. Related compositions are also disclosed.
    Type: Grant
    Filed: April 19, 1990
    Date of Patent: May 5, 1992
    Assignee: Petrolite Corporation
    Inventors: Michael I. Naiman, James C. Chang
  • Methods and compositions for reduction of drag in hydrocarbon fluids
    Patent number: 4983186
    Abstract: A method for reducing friction loss in flowing hydrocarbon fluids is disclosed. The method comprises adding to the fluid an effective amount of an oil-soluble polyamine and a terpolymer of styrene, alkyl acrylate and a carboxylic acid selected from the group consisting of acrylic acid and methacrylic acid. Related compositions are also disclosed.
    Type: Grant
    Filed: July 18, 1989
    Date of Patent: January 8, 1991
    Assignee: Petrolite Corporation
    Inventors: Michael I. Naiman, James C. Chang
  • Shale stabilizer and method of use thereof
    Patent number: 4757862
    Abstract: Water-soluble copolymers which are essentially free of cross-linking are useful as shale stabilizers. These copolymers are random copolymers of a vinyl carboxamide monomer and a hydroxy-containing vinyl carboxylic ester. These shale stabilizers are added to a drilling fluid which is then circulated through a well bore whereby the shale stabilizers come in contact with the shale formation and inhibit hydration of shale to prevent sloughing thereof.
    Type: Grant
    Filed: August 21, 1986
    Date of Patent: July 19, 1988
    Assignee: Petrolite Corporation
    Inventors: Michael I. Naiman, John A. Schield
  • Cold flow improver and method of use thereof
    Patent number: 4708993
    Abstract: Oligomers of polymerizable ester-containing halopolyalkylenes are effective as cold flow improvers in middle distillate fuels.
    Type: Grant
    Filed: August 6, 1986
    Date of Patent: November 24, 1987
    Assignee: Petrolite Corporation
    Inventors: Michael I. Naiman, John A. Schield, Lawrence J. Cunningham
  • Ester-containing halopolyalkylenes
    Patent number: 4617025
    Abstract: This invention relates to polyalkylenes which contain both halogen and ester groups, to the preparation thereof, and to the use thereof as pour depressants for fuel oils. This invention also relates to polyalkylene esters.
    Type: Grant
    Filed: April 22, 1985
    Date of Patent: October 14, 1986
    Assignee: Petrolite Corporation
    Inventors: Michael I. Naiman, John A. Schield
  • Ester-containing halopolyalkylenes
    Patent number: 4568359
    Abstract: This invention relates to polyalkylenes which contain both halogen and ester groups, to the preparation thereof, and to the use thereof as pour depressants for fuel oils. This invention also relates to polyalkylene esters.
    Type: Grant
    Filed: March 18, 1985
    Date of Patent: February 4, 1986
    Assignee: Petrolite Corporation
    Inventors: Michael I. Naiman, John A. Schield
  • Ester-containing halopolyalkylenes
    Patent number: 4568726
    Abstract: This invention relates to polyalkylenes which contain both halogen and ester groups, to the preparation thereof, and to the use thereof as pour depressants for fuel oils. This invention also relates to polyalkylene esters.
    Type: Grant
    Filed: March 18, 1985
    Date of Patent: February 4, 1986
    Assignee: Petrolite Corporation
    Inventors: Michael I. Naiman, John A. Schield
  • Ester-containing halopolyalkylenes
    Patent number: 4554327
    Abstract: This invention relates to polyalkylenes which contain both halogen and ester groups, to the preparation thereof, and to the use thereof as pour depressants for fuel oils. This invention also relates to polyalkylene esters.
    Type: Grant
    Filed: April 22, 1985
    Date of Patent: November 19, 1985
    Assignee: Petrolite Corporation
    Inventors: Michael I. Naiman, John A. Schield
  • Ester-containing halopolyalkylenes
    Patent number: 4553980
    Abstract: This invention relates to polyalkylenes which contain both halogen and ester groups, to the preparation thereof, and to the use thereof as pour depressants for fuel oils. This invention also relates to polyalkylene esters.
    Type: Grant
    Filed: April 22, 1985
    Date of Patent: November 19, 1985
    Assignee: Petrolite Corporation
    Inventors: Michael I. Naiman, John A. Schield
  • Ester-containing halopolyalkylenes
    Patent number: 4544712
    Abstract: This invention relates to polyalkylenes which contain both halogen and ester groups, to the preparation thereof, and to the use thereof as pour depressants for fuel oils. This invention also relates to polyalkylene esters.
    Type: Grant
    Filed: April 22, 1985
    Date of Patent: October 1, 1985
    Assignee: Petrolite Corporation
    Inventors: Michael I. Naiman, John A. Schield
  • Ester-containing halopolyalkylenes
    Patent number: 4541839
    Abstract: This invention relates to polyalkylenes which contain both halogen and ester groups, to the preparation thereof, and to the use thereof as pour depressants for fuel oils. This invention also relates to polyalkylene esters.
    Type: Grant
    Filed: July 2, 1984
    Date of Patent: September 17, 1985
    Assignee: Petrolite Corporation
    Inventors: Michael I. Naiman, John A. Schield
  • Antistats containing acrylonitrile copolymers and polyamines
    Patent number: 4537601
    Abstract: This invention relates to compositions comprising (1) acrylic-type ester-acrylonitrile copolymers and (2) polymeric polyamines; and to such compositions in combination with organic liquids such as hydrocarbon fluids in which such compositions are effective as antistatic agents.
    Type: Grant
    Filed: October 29, 1984
    Date of Patent: August 27, 1985
    Assignee: Petrolite Corporation
    Inventor: Michael I. Naiman
  • Ester-containing halopolyalkylenes
    Patent number: 4536191
    Abstract: This invention relates to polyalkylenes which contain both halogen and ester groups, to the preparation thereof, and to the use thereof as pour depressants for fuel oils. This invention also relates to polyalkylene esters.
    Type: Grant
    Filed: July 2, 1984
    Date of Patent: August 20, 1985
    Assignee: Petrolite Corporation
    Inventors: Michael I. Naiman, John A. Schield
  • Ester-containing halopolyalkylenes
    Patent number: 4536551
    Abstract: This invention relates to polyalkylenes which contain both halogen and ester groups, to the preparation thereof, and to the use thereof as pour depressants for fuel oils. This invention also relates to polyalkylene esters.
    Type: Grant
    Filed: July 2, 1984
    Date of Patent: August 20, 1985
    Assignee: Petrolite Corporation
    Inventors: Michael I. Naiman, John A. Schield
  • Antistats containing acrylonitrile copolymers and polyamines
    Patent number: 4491651
    Abstract: This invention relates to compositions comprising (1) acrylic-type ester-acrylonitrile copolymers and (2) polymeric polyamines; and to such compositions in combination with organic liquids such as hydrocarbon fluids in which such compositions are effective as antistatic agents.
    Type: Grant
    Filed: May 17, 1982
    Date of Patent: January 1, 1985
    Assignee: Petrolite Corporation
    Inventor: Michael I. Naiman
  • Ester-containing halopolyalkylenes
    Patent number: 4471098
    Abstract: This invention relates to polyalkylenes which contain both halogen and ester groups, to the preparation thereof, and to the use thereof as pour depressants for fuel oils. This invention also relates to polyalkylene esters.
    Type: Grant
    Filed: March 11, 1982
    Date of Patent: September 11, 1984
    Assignee: Petrolite Corporation
    Inventors: Michael I. Naiman, John A. Schield
  • Corrosion inhibition of halocarbon systems
    Patent number: 4422953
    Abstract: This invention relates to a method of inhibiting corrosion in halohydrocarbon systems such as haloethylene or other corrosive systems, which comprises treating such system with alkyl, alkenyl, or alkyl-X succinic acids or derivatives thereof, for example, salts thereof, where X is an oxygen, sulfur, amino, etc. containing group.
    Type: Grant
    Filed: April 21, 1982
    Date of Patent: December 27, 1983
    Assignee: Petrolite Corporation
    Inventors: Mark T. Grace, Michael I. Naiman, Eddie C. French
  • Olefin-acrylonitrile copolymers and uses thereof
    Patent number: 4388452
    Abstract: This invention relates to .alpha.-olefin-acrylonitrile copolymers and uses thereof, particularly as antistatic agents in organic liquids such as hydrocarbon fuels.
    Type: Grant
    Filed: October 16, 1981
    Date of Patent: June 14, 1983
    Assignee: Petrolite Corporation
    Inventors: Michael I. Naiman, Rudolf S. Buriks
  • Olefin-acrylonitrile copolymers and uses thereof
    Patent number: 4333741
    Abstract: This invention relates to .alpha.-olefin-acrylonitrile copolymers and uses thereof, particularly as antistatic agents in organic liquids such as hydrocarbon fuels.
    Type: Grant
    Filed: June 27, 1977
    Date of Patent: June 8, 1982
    Assignee: Petrolite Corporation
    Inventors: Michael I. Naiman, Rudolf S. Buriks