Patents by Inventor Lawrence James Guilbault

Lawrence James Guilbault 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).

  • Patent number: 8877089
    Abstract: A treatment for soils and road base materials including applying to the soil or road base materials an organosilicon waterproofing agent, and applying to the soil or road base material a soil stabilizer binder including an acrylate ester polymer emulsion.
    Type: Grant
    Filed: February 11, 2011
    Date of Patent: November 4, 2014
    Inventors: Lawrence James Guilbault, Christopher Rider
  • Publication number: 20120207551
    Abstract: A treatment for soils and road base materials including applying to the soil or road base materials an organosilicon waterproofing agent, and applying to the soil or road base material a soil stabilizer binder including an acrylate ester polymer emulsion.
    Type: Application
    Filed: February 11, 2011
    Publication date: August 16, 2012
    Inventors: Lawrence James Guilbault, Christopher Rider
  • Patent number: 7638029
    Abstract: A method for producing borohydride by causing current to flow in an electrolytic cell between an anode and a cathode, wherein a solution of trialkoxyborohydride is in contact with the cathode.
    Type: Grant
    Filed: April 12, 2005
    Date of Patent: December 29, 2009
    Assignee: Rohm and Haas Company
    Inventors: Lawrence James Guilbault, Edward Augustine Sullivan, Nancy Margaret Sullivan, legal representative, Norman Louis Weinberg
  • Publication number: 20040229980
    Abstract: A method for improving the anti-stripping properties of an asphalt composition. The method comprises adding to the composition 0.05% to 10% of an amine-substituted polymer having an amine nitrogen content of at least 0.1% and a weight-average molecular weight of at least 5,000.
    Type: Application
    Filed: May 16, 2003
    Publication date: November 18, 2004
    Inventors: Lawrence James Guilbault, Warren Harvey Machleder
  • Publication number: 20030187104
    Abstract: A polymer-modified asphalt comprising from 0.5% to 10% of a comb copolymer comprising a backbone and at least one graft segment.
    Type: Application
    Filed: March 21, 2003
    Publication date: October 2, 2003
    Inventors: Lawrence James Guilbault, Willie Lau, Mark Peter Degrandpre
  • Patent number: 3994852
    Abstract: Improved cementing compositions and their use in well cementing operations is disclosed, wherein polyvinylpyrrolidone-polyacrylamide triblock polymers are used as fluid loss additives for aqueous hydraulic cement slurries.
    Type: Grant
    Filed: July 17, 1975
    Date of Patent: November 30, 1976
    Assignee: Calgon Corporation
    Inventors: Sally Lee Adams, Lawrence James Guilbault, Fred David Martin
  • Patent number: 3993712
    Abstract: Block polymers of the A-B-A type wherein the A block is derived from a water-soluble monomer and the B block is derived from N-vinyl pyrrolidone. The polymers are water soluble and are useful as flocculants.
    Type: Grant
    Filed: June 6, 1975
    Date of Patent: November 23, 1976
    Assignee: Calgon Corporation
    Inventor: Lawrence James Guilbault
  • Patent number: 3953342
    Abstract: Use of dialdehydes to maintain or increase solution viscosity of polymer compositions useful in oil recovery processes. In particular, the dialdehydes are used to maintain or enhance the effectiveness of polymers used as viscosity increasing agents in aqueous oil displacement media in the secondary and tertiary recovery of oil.
    Type: Grant
    Filed: May 8, 1974
    Date of Patent: April 27, 1976
    Assignee: Calgon Corporation
    Inventors: Fred David Martin, Lawrence James Guilbault
  • Patent number: 3948783
    Abstract: Improved secondary and tertiary oil recovery process in which water-soluble, salt-insensitive, block polymers of the A-B-A type wherein the A block is derived from a water-soluble monomer and the B block is derived from N-vinyl pyrrolidone are used as viscosity control agents.
    Type: Grant
    Filed: April 30, 1974
    Date of Patent: April 6, 1976
    Assignee: Calgon Corporation
    Inventors: Miklos Tamas Szabo, Lawrence James Guilbault, Nancy Spicer Sherwood
  • Patent number: 3943996
    Abstract: Improved cementing compositions and their use in well cementing operations is disclosed, wherein methacrylamidopropyltrimethylammonium chloride polymers are used as fluid loss additives for aqueous hydraulic cement slurries.
    Type: Grant
    Filed: June 27, 1975
    Date of Patent: March 16, 1976
    Assignee: Calgon Corporation
    Inventors: Lawrence James Guilbault, Frederick Alan Hoffstadt
  • Patent number: 3931096
    Abstract: Improved cementing compositions and their use in well cementing operations is disclosed, wherein methacrylamidopropyltrimethylammonium chloride polymers are used as fluid loss additives for aqueous hydraulic cement slurries.
    Type: Grant
    Filed: October 30, 1974
    Date of Patent: January 6, 1976
    Assignee: Calgon Corporation
    Inventors: Lawrence James Guilbault, Frederick Alan Hoffstadt