Patents by Inventor Keith Bair

Keith Bair 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: 20070270547
    Abstract: The present invention relates to cement dispersant that is a copolymerization product of a first monomer (A) comprising a carboxylic acid, a second monomer (B) comprising an alkoxylated allyl alcohol sulfate, and, optionally, a third monomer (C) comprising an alkoxylated allyl alcohol. The cement dispersant according to the invention provides improved slump life properties and water reduction properties in cement admixtures.
    Type: Application
    Filed: August 8, 2007
    Publication date: November 22, 2007
    Applicant: GEO SPECIALTY CHEMICALS, INC.
    Inventors: Keith Bair, Arpad Savoly, Bennie Veal
  • Patent number: 7271214
    Abstract: The present invention relates to cement dispersant that is a copolymerization product of a first monomer (A) comprising a carboxylic acid, a second monomer (B) comprising an alkoxylated allyl alcohol sulfate, and, optionally, a third monomer (C) comprising an alkoxylated allyl alcohol. The cement dispersant according to the invention provides improved slump life properties and water reduction properties in cement admixtures.
    Type: Grant
    Filed: June 23, 2004
    Date of Patent: September 18, 2007
    Assignee: GEO Specialty Chemicals, Inc.
    Inventors: Keith A. Bair, Arpad Savoly, Bennie Veal
  • Patent number: 6869998
    Abstract: A dispersant for use with concrete or cement, and a concrete or cement admixture that comprises a cementitious material, water, and the dispersant. The dispersant includes a polymeric derivative of carboxylic acid, and has a sulfur-containing moiety that is covalently bonded thereto. Adding the dispersant to the cementitious material and water improves the rheological properties of the admixture.
    Type: Grant
    Filed: June 23, 2003
    Date of Patent: March 22, 2005
    Assignee: GEO Specialty Chemicals, Inc.
    Inventors: Keith A. Bair, Arpad Savoly, Bennie Veal
  • Publication number: 20050009959
    Abstract: The present invention relates to cement dispersant that is a copolymerization product of a first monomer (A) comprising a carboxylic acid, a second monomer (B) comprising an alkoxylated allyl alcohol sulfate, and, optionally, a third monomer (C) comprising an alkoxylated allyl alcohol. The cement dispersant according to the invention provides improved slump life properties and water reduction properties in cement admixtures.
    Type: Application
    Filed: June 23, 2004
    Publication date: January 13, 2005
    Applicant: GEO Specialty Chemicals, Inc.
    Inventors: Keith Bair, Arpad Savoly, Bennie Veal
  • Publication number: 20040259982
    Abstract: A dispersant for use with concrete or cement, and a concrete or cement admixture that comprises a cementitious material, water, and the dispersant. The dispersant includes a polymeric derivative of carboxylic acid, and has a sulfur-containing moiety that is covalently bonded thereto. Adding the dispersant to the cementitious material and water improves the rheological properties of the admixture.
    Type: Application
    Filed: June 23, 2003
    Publication date: December 23, 2004
    Inventors: Keith A. Bair, Arpad Savoly, Bennie Veal
  • Patent number: 6590050
    Abstract: The present invention relates to compositions and use of water-soluble or water-dispersible copolymers for oil field applications. Specifically, the present invention relates to polymers containing allyloxy linkage andits functional dervatives for use in oil field applications as fluid additives for drilling and cementing processes.
    Type: Grant
    Filed: August 20, 2002
    Date of Patent: July 8, 2003
    Assignee: Hercules Incorporated
    Inventors: Keith A. Bair, Fu Chen, Mohand Melbouci, Teng-Shau Young, De-Kai Loo
  • Patent number: 6465587
    Abstract: The present invention relates to compositions and use of water-soluble or water-dispersible copolymers for oil field applications. Specifically, the present invention relates to polymers containing allyloxy linkage and its functional dervatives for use in oil field applications as fluid additives for drilling and cementing processes.
    Type: Grant
    Filed: December 8, 2000
    Date of Patent: October 15, 2002
    Assignee: Hercules Incorporated
    Inventors: Keith A. Bair, Fu Chen, Mohand Melbouci, Teng-Shau Young, De-Kai Loo
  • Patent number: 5789488
    Abstract: Disclosed are methods for reducing turbidity of aqueous systems and clarifying wastewater systems utilizing a graft copolymer having the structure: ##STR1## whereby the cationic monomer (F) is represented by ##STR2## wherein R is hydrogen or a C.sub.1 to C.sub.3 alkyl group, R.sub.1 is the salt of an ammonium cation, and the molar percentage of a:b is from about 95:5 to about 5:95, with the proviso that the sum of a and b equals 100%.
    Type: Grant
    Filed: June 25, 1996
    Date of Patent: August 4, 1998
    Assignee: BetzDearborn Inc.
    Inventors: Keith A. Bair, Elizabeth V. Bissinger, Ellen M. Meyer
  • Patent number: 5575924
    Abstract: Disclosed are methods for reducing turbidity of aqueous systems and clarifying wastewater systems utilizing a graft copolymer having the structure: ##STR1## whereby the cationic monomer (F) is represented by ##STR2## wherein R is hydrogen or a C.sub.1 to C.sub.3 alkyl group, R.sub.1 is the salt of an ammonium cation, and the molar percentage of a:b is from about 95:5 to about 5:95, with the proviso that the sum of a and b equals 100%.
    Type: Grant
    Filed: May 4, 1995
    Date of Patent: November 19, 1996
    Assignee: BetzDearborn Inc.
    Inventors: Keith A. Bair, Elizabeth V. Bissinger, Ellen M. Meyer
  • Patent number: 5575920
    Abstract: A method for simultaneously controlling the deposition of scale and the formation of corrosion in a cooling water system consisting of adding to the system a water soluble copolymer having the structure: ##STR1## wherein R.sub.1 is H or lower (C.sub.1 -C.sub.4) alkyl, F is H.sub.2 or O, M is a water soluble cation, R.sub.2 is (CH.sub.2 --CH.sub.2 --O).sub.n, ##STR2## or mixture of both, n is an integer of from 1 to about 40, R.sub.3 is H, lower (C.sub.1 -C.sub.4) alkyl or an acetate.
    Type: Grant
    Filed: September 18, 1995
    Date of Patent: November 19, 1996
    Assignee: BetzDearborn Inc.
    Inventors: Donald T. Freese, Libardo A. Perez, Keith A. Bair, Fu Chen
  • Patent number: 5527468
    Abstract: A treatment for controlling the deposition of scale imparting species on the structural surfaces of steam generating systems, wherein the aqueous medium is maintained at a pH which minimizes magnetite solubility, comprising the use of a combination of an organic amine and a nonionic polymer having the structure: ##STR1## wherein R.sub.1 is H or lower (C.sub.1 -C.sub.4) alkyl, R.sub.2 is (CH.sub.2 --CH.sub.2 --O).sub.n, ##STR2## or a mixture of both, n is an integer of from 1 to about 40, and R.sub.3 is H, lower (C.sub.1 -C.sub.4) alkyl or an acetate.
    Type: Grant
    Filed: December 20, 1994
    Date of Patent: June 18, 1996
    Assignee: Betz Laboratories, Inc.
    Inventors: Scott M. Boyette, Keith A. Bair, Fu Chen
  • Patent number: 5445758
    Abstract: A composition for controlling the deposition of scale imparting species on the structural surfaces of steam generating systems comprising the use of a water soluble polymer having the structure ##STR1## wherein R.sub.1 is H or lower (C.sub.1 -C.sub.4) alkyl, R.sub.2 is (CH.sub.2 --CH.sub.2 --O).sub.n, ##STR2## or a mixture of both, and n is an integer of from about 1 to about 40, R.sub.3 is H, lower (C.sub.1 -C.sub.4) alkyl or an acetate. This polymer may also be used in concert with topping agents such as phosphoric acids, phosphonic acids, amines, metal chelating agents and oxygen scavengers.
    Type: Grant
    Filed: June 7, 1994
    Date of Patent: August 29, 1995
    Assignee: Betz Laboratories, Inc.
    Inventors: Fu Chen, Keith A. Bair, Scott M. Boyette
  • Patent number: 5350536
    Abstract: A composition for controlling the deposition of scale imparting species on the structural surfaces of steam generating systems comprising the use of a water soluble polymer having the structure ##STR1## wherein R.sub.1 is H or lower (C.sub.1 14 C.sub.4) alkyl, R.sub.2 is (CH.sub.2 --CH.sub.2 --O).sub.n, ##STR2## or a mixture of both, and n is an integer of from about 1 to about 40, R.sub.3 is H, lower (C.sub.1-C.sub.4) alkyl or an acetate. This polymer may also be used in concert with topping agents such as phosphoric acids, phosphonic acids, amines, metal chelating agents and oxygen scavengers.
    Type: Grant
    Filed: April 27, 1993
    Date of Patent: September 27, 1994
    Assignee: Betz Laboratories, Inc.
    Inventors: Fu Chen, Keith A. Bair, Scott M. Boyette
  • Patent number: 5271847
    Abstract: A method for controlling the deposition of silica on the structural surfaces of steam generating systems comprising the use of a water soluble polymer having the structure ##STR1## wherein E is the repeat unit remaining after polymerization of an alpha, beta ethylenically unsaturated compound.This polymer may also be used in concert with topping agents such as phosphoric acids, phosphonic acids, polyvalent metal salts, metal chelating agents and oxygen scavengers.
    Type: Grant
    Filed: October 6, 1992
    Date of Patent: December 21, 1993
    Assignee: Betz Laboratories, Inc.
    Inventors: Fu Chen, Scott M. Boyette, Keith A. Bair
  • Patent number: 5242599
    Abstract: A method for controlling the deposition of scale imparting species on the structural surfaces of steam generating systems comprising the use of a water soluble polymer having the structure ##STR1## wherein R.sub.1 is H or lower (C.sub.1 -C.sub.4) alkyl, R.sub.2 is (CH.sub.2 --CH.sub.2 --O).sub.n, ##STR2## or a mixture of both, and n is an integer of from about 1 to about 40, R.sub.3 is H, lower (C.sub.1 -C.sub.4) alkyl or an acetate. This polymer may also be used in concert with topping agents such as phosphoric acids, phosphonic acids, amines, metal chelating agents and oxygen scavengers.
    Type: Grant
    Filed: February 7, 1992
    Date of Patent: September 7, 1993
    Assignee: Betz Laboratories, Inc.
    Inventors: Fu Chen, Keith A. Bair, Scott M. Boyette
  • Patent number: 5183576
    Abstract: A method of dewatering sludge is disclosed. This method comprises adding to the sludge an effective amount for the purpose of a polymer comprising repeat unit moieties of the compound methacryloyloxyethyl trimethyl ammonium chloride, said polymer having an intrinsic viscosity of about 1.0 to about 4.5 dl/g.
    Type: Grant
    Filed: August 9, 1991
    Date of Patent: February 2, 1993
    Assignee: Betz Laboratories, Inc.
    Inventors: Michael R. Wood, Keith A. Bair, Fu Chen, Stephen R. Vasconcellos
  • Patent number: 5180498
    Abstract: A method for controlling the deposition of scale imparting species on the structural surfaces of steam generating systems comprising the use of a water soluble polymer having the structure ##STR1## wherein E is the repeat unit remaining after polymerization of an alpha, beta ethylenically unsaturated compound.This polymer may also be used in concert with topping agents such as phosphoric acids, phosphonic acids, polyvalent metal salts, metal chelating agents and oxygen scavengers.
    Type: Grant
    Filed: January 28, 1992
    Date of Patent: January 19, 1993
    Assignee: Betz Laboratories, Inc.
    Inventors: Fu Chen, Scott M. Boyette, Keith A. Bair
  • Patent number: 5100561
    Abstract: A method of dewatering sludge is disclosed. This method comprises adding to the sludge an effective amount for the purpose of a polymer comprising repeat unit moieties of the compound methacryloxyethyl trimethyl ammonium chloride, said polymer having an intrinsic viscosity of about 1.0 to about 4.5 dl/g.
    Type: Grant
    Filed: June 6, 1990
    Date of Patent: March 31, 1992
    Assignee: Betz Laboratories, Inc.
    Inventors: Michael R. Wood, Keith A. Bair, Fu Chen, Stephen R. Vasconcellos
  • Patent number: 4886617
    Abstract: Novel water soluble polymers containing an hydroxyl alkyl aminoalkylene phosphonate functionality are disclosed. These polymers have utility as deposit control agents effective in a number of water systems such as cooling, boilers conversion coating, paper and pulp processing and gas scrubbing.The polymers are formed from the polymerization of ethylenically unsaturated compounds with a compound having the structure: ##STR1## in which R.sub.1 is an hydroxyl substituted or nonsubstituted lower alkylene group, R.sub.2 is H or lower alyl group, R.sub.3 is a lower alkylene group and M is H or water soluble cation.
    Type: Grant
    Filed: May 19, 1989
    Date of Patent: December 12, 1989
    Assignee: Betz Laboratories, Inc.
    Inventors: Fu Chen, Keith Bair
  • Patent number: 4851490
    Abstract: Novel water soluble polymers containing an hydroxyl alkyl aminoalkylene phosphonate functionality are disclosed. These polymers have utility as deposit control agents effective in a number of water systems such as cooling, boilers conversion coating, paper and pulp processing and gas scrubbing.The polymers are formed from the polymerization of ethylenically unsaturated compounds with a compound having the structure: ##STR1## in which R.sub.1 is an hydroxyl substituted or nonsubstituted lower alkylene group, R.sub.2 is H or lower alkyl group, R.sub.3 is a lower alkylene group and M is H or water soluble cation.
    Type: Grant
    Filed: February 21, 1989
    Date of Patent: July 25, 1989
    Assignee: Betz Laboratories, Inc.
    Inventors: Fu Chen, Keith A. Bair