Patents by Inventor John J. Gerrard

John J. Gerrard 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).

  • Oral hygiene compositions and polymers active therein
    Patent number: 5414060
    Abstract: Oral hygiene compositions effective for preventing the adherent deposition of cariogenic bacteria on teeth comprise as active constituents polymers having defined repeating units comprising hydrocarbyl groups with pendant carboxyl and pendant polyalkylene oxide groups in defined ratio. The polymers themselves, their preparation, and a process for treating teeth with the compositions are also claimed.
    Type: Grant
    Filed: May 9, 1994
    Date of Patent: May 9, 1995
    Assignee: Imperial Chemical Industries PLC
    Inventors: Martyn Humphries, Jozef Nemcek, Joseph F. Jaworzyn, John B. Cantwell, John J. Gerrard
  • Oral hygiene compositions and polymers active therein
    Patent number: 5336728
    Abstract: Oral hygiene compositions effective for preventing the adherent deposition of cariogenic bacteria on teeth comprise as active constituents polymers having defined repeating units comprising hydrocarbyl groups with pendant carboxyl and pendant polyalkylene oxide groups in defined ratio. The polymers themselves, their preparation, and a process for treating teeth with the compositions are also claimed.
    Type: Grant
    Filed: September 18, 1991
    Date of Patent: August 9, 1994
    Assignee: Imperial Chemical Industries PLC
    Inventors: Martyn Humphries, Jozef Nemcek, Joseph F. Jaworzyn, John B. Cantwell, John J. Gerrard
  • Oral hygiene compositions and polymers active therein
    Patent number: 5079288
    Abstract: Oral hygiene compositions effective for preventing the adherent deposition of cariogenic bacteria on teeth comprise as active constituents polymers having defined repeating units comprising hydrocarbyl groups with pendant carboxyl and pendant polyalkylene oxide groups in defined ratio. The polymers themselves, their prepartion, and a process for treating teeth with the compositions are also claimed.
    Type: Grant
    Filed: March 19, 1990
    Date of Patent: January 7, 1992
    Assignee: Imperial Chemical Industries PLC
    Inventors: Martyn Humphries, Jozef Nemcek, Joseph F. Jaworzyn, John B. Cantwell, John J. Gerrard
  • Oral hygiene compositions and polymers active therein
    Patent number: 4963347
    Abstract: Oral hygiene compositions effective for preventing the adherent deposition of cariogenic bacteria on teeth comprise as active constituents polymers having defined repeating units comprising hydrocarbyl groups with pendant carboxyl and pendant polyalkylene oxide groups in defined ratio. The polymers themselves, their preparation, and a process for treating teeth with the compositions are also claimed.
    Type: Grant
    Filed: January 17, 1988
    Date of Patent: October 16, 1990
    Assignee: Imperial Chemical Industries plc
    Inventors: Martyn Humphries, Jozef Nemcek, Joseph F. Jaworzyn, John B. Cantwell, John J. Gerrard