Patents by Inventor Thomas Wetzel

Thomas Wetzel 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).

  • Shampoo compositions
    Patent number: 4885107
    Abstract: Shampoos are disclosed which comprise a synthetic surfactant, selenium sulfide a suspending agent and water.
    Type: Grant
    Filed: April 7, 1988
    Date of Patent: December 5, 1989
    Assignee: The Procter & Gamble Company
    Inventor: Thomas A. Wetzel
  • Toothpaste compositions
    Patent number: 4314990
    Abstract: Fluoride toothpastes which contain a high level of humectant, a silica abrasive and a fluoride ion source and which have a pH of from about 6.8 to about 8.0. Such pastes have superior fluoride and flavor stability.
    Type: Grant
    Filed: October 15, 1979
    Date of Patent: February 9, 1982
    Assignee: The Procter & Gamble Company
    Inventors: William D. Denny, Jr., Thomas A. Wetzel
  • Polyether polyurethane foam end wrap treated with buffer system
    Patent number: 4130121
    Abstract: A superior permanent hair waving end wrap comprising a particular type of open-celled polyether polyurethane foam of specified porosity and thickness which foam has been treated with a buffer system of mono-basic orthophosphate salts in admixture with phosphoric acid. Also disclosed is a permanent hair waving process using said buffer system treated end wraps.
    Type: Grant
    Filed: March 31, 1977
    Date of Patent: December 19, 1978
    Assignee: The Procter & Gamble Company
    Inventor: Thomas A. Wetzel