Patents by Inventor Geoffrey Charles Christ

Geoffrey Charles Christ 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).

  • Compositions and methods to protect calcitic and/or siliceous materials
    Patent number: 6383569
    Abstract: Calcitic and/or siliceous particulate materials are provided with increased resistance to penetration by water, oil or grease damage from water, oil or grease by a process which comprises treating said materials with an aqueous composition containing: (A) from about 0.1 to 4% by weight on a 100% solids basis of an aqueous solution or self-dispersed emulsion or dispersion of a copolymer which is a reaction product of monomers containing fluorinated groups, cationic groups and nonionic groups, optionally (B) an effective amount of a penetration assistant, and (C) water to make up 100%.
    Type: Grant
    Filed: February 13, 2001
    Date of Patent: May 7, 2002
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Ian Neal Ornstein, Geoffrey Charles Christ
  • Compositions and methods to protect calcitic and/or siliceous materials
    Publication number: 20010043988
    Abstract: Calcitic and/or siliceous particulate materials are provided with increased resistance to penetration by water, oil or grease damage from water, oil or grease by a process which comprises treating said materials with an aqueous composition containing:
    Type: Application
    Filed: February 13, 2001
    Publication date: November 22, 2001
    Inventors: Ian Neal Ornstein, Geoffrey Charles Christ
  • Compositions and methods to protect calcitic and/or siliceous surfaces
    Patent number: 6197382
    Abstract: Calcitic and/or siliceous architectural and construction materials are provided with increased resistance to damage from water, oil, grease and weather by a process which comprises treating said materials with an aqueous composition containing: (A) from about 0.1 to 4% by weight on a 100% solids basis of an aqueous solution or self-dispersed emulsion or dispersion of a copolymer which is a reaction product of monomers containing fluorinated groups, cationic groups and nonionic groups, (B) an effective amount of a penetration assistant, and (C) water to make up 100%.
    Type: Grant
    Filed: July 21, 1999
    Date of Patent: March 6, 2001
    Assignees: Ciba Specialty Chemicals Corp.
    Inventors: Ian Neal Ornstein, Geoffrey Charles Christ
  • Methods and compositions to protect asphaltic materials
    Patent number: 6113978
    Abstract: Asphaltic materials are provided with increased resistance to damage from water, oil and weather by a process which comprises treating said materials with an aqueous composition containing: (A) from about 0.1 to 4% by weight, on a 100% solids basis, of an aqueous solution or self-dispersed emulsion or dispersion of a copolymer which is a reaction product of monomers containing fluorinated groups, cationic groups and nonionic groups, optionally (B) an effective amount of a penetration assistant, and (C) water to make up 100%.
    Type: Grant
    Filed: July 21, 1999
    Date of Patent: September 5, 2000
    Inventors: Ian Neal Ornstein, Geoffrey Charles Christ