Patents by Inventor Kenneth Tomlinson

Kenneth Tomlinson 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).

  • Process for preparing fluorapatite
    Patent number: 4157378
    Abstract: The process of preparing analytically pure fluorapatite comprising reacting dicalcium phosphate dihydrate with hydrogen fluoride in aqueous solution, at a pH of from about 5 to about 8, at from about room temperature for about 7 days to about 100.degree. C. for about 2 days, the amount of fluoride ion being from about stoichiometric to about 1.1 times the stoichiometric amount of dicalcium phosphate dihydrate whereby solid analytically pure fluorapatite is formed.
    Type: Grant
    Filed: June 2, 1977
    Date of Patent: June 5, 1979
    Assignee: Colgate Palmolive Company
    Inventors: Kenneth Tomlinson, Edward J. Duff
  • Process for preparing dicalcium phosphate dihydrate having a portion of the calcium displaced by divalent metal ion
    Patent number: 4139599
    Abstract: Process for preparing dicalcium phosphate dihydrate with displacement 0.1 - 5% of the calcium by divalent metal ion.
    Type: Grant
    Filed: June 2, 1977
    Date of Patent: February 13, 1979
    Assignee: Colgate Palmolive Company
    Inventors: Kenneth Tomlinson, Edward J. Duff
  • Dentifrice
    Patent number: 4130636
    Abstract: There is disclosed an oral product containing a new and improved surfactant system that is non-toxic, edible and surprising substantially tasteless.
    Type: Grant
    Filed: July 27, 1977
    Date of Patent: December 19, 1978
    Assignee: Colgate-Palmolive Company
    Inventor: Kenneth Tomlinson
  • Toothpaste containing milled alpha-alumina trihydrate
    Patent number: 4098878
    Abstract: Dentifrices containing milled alpha-alumina trihydrate which has been surface-treated with a higher fatty acid.
    Type: Grant
    Filed: October 23, 1975
    Date of Patent: July 4, 1978
    Assignee: Colgate-Palmolive Company
    Inventors: Eric Baines, Peter Platt, Kenneth Tomlinson
  • Dentifrice
    Patent number: 4066745
    Abstract: Extrudible visually clear gel dentifrice containing distributed therein visible bubbles of gas, said dentifrice having a vehicle of viscosity sufficient to maintain the bubbles suspended therein.
    Type: Grant
    Filed: February 25, 1976
    Date of Patent: January 3, 1978
    Assignee: Colgate-Palmolive Company
    Inventors: Kenneth Tomlinson, Michael Harrison
  • Dental preparation containing materials having calcium and phosphate components
    Patent number: 4048300
    Abstract: Dental preparations containing materials having calcium and phosphate components are described. Such materials are typically fluorapatite, fluorohydroxyapatite, hydroxyapatite prepared by alternately changing the pH from about 7 to about 4 to about 7 several times, including such materials which have incorporated therein ions such as monofluorophosphate and carbonate or divalent ions such as zinc or fluoranions of a metal such as zinc, e.g. ZnF.sub.4.sup.-2.
    Type: Grant
    Filed: January 19, 1976
    Date of Patent: September 13, 1977
    Assignee: Colgate-Palmolive Company
    Inventors: Kenneth Tomlinson, Edward John Duff
  • Oral preparations
    Patent number: 3984537
    Abstract: The invention relates to an oral preparation, i.e. dentifrice, which contains non-toxic amino-cyano polymeric diguanide or salt thereof as an anti-bacterial agent.
    Type: Grant
    Filed: March 12, 1975
    Date of Patent: October 5, 1976
    Assignee: Colgate-Palmolive Company
    Inventors: Michael Harrison, Kenneth Tomlinson
  • Dentifrice
    Patent number: 3946108
    Abstract: Method for manufacturing a dentifrice containing gas bubbles which comprises making a gas-free or substantially gas-free viscous extrudible paste or gel dentifrice comprising a polishing agent, a gelling agent and a vehicle, and mixing with such dentifrice bubbles of gas, the dentifrice having viscosity sufficient to maintain the bubbles suspended therein.
    Type: Grant
    Filed: February 27, 1974
    Date of Patent: March 23, 1976
    Assignee: Colgate-Palmolive Company
    Inventors: Kenneth Tomlinson, Michael Harrison