Patents by Inventor Peter N. Crisp

Peter N. Crisp 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).

  • Detergent composition having textile softening properties
    Patent number: 4375416
    Abstract: Laundry detergent compositions are provided which contain an effective textile softening agent which does not reduce their cleaning performance. The softening agent comprises a specified class of tertiary amines together with a smectite-type clay.
    Type: Grant
    Filed: October 16, 1980
    Date of Patent: March 1, 1983
    Assignee: The Procter & Gamble Company
    Inventors: Peter N. Crisp, Allan C. McRitchie, John G. Bell
  • Detergent softener containing anionic, amine, and water soluble cationic
    Patent number: 4338204
    Abstract: A laundry detergent composition providing cleaning and softening of textiles comprises an anionic surfactant, a water-insoluble di C.sub.10 -C.sub.26 tertiary amine, and a water-soluble cationic compound which may be a mono C.sub.10 -C.sub.18 alkyl primary, secondary or tertiary amine, or a water-soluble salt thereof or a water-soluble mono C.sub.8 -C.sub.16 alkyl quaternary ammonium compound. A smectite clay serving as an additional textile softening agent and a detergent builder salt are preferred components of the granular form of the composition which may contain other conventional detergent ingredients.
    Type: Grant
    Filed: September 22, 1980
    Date of Patent: July 6, 1982
    Assignee: The Procter & Gamble Company
    Inventors: Gianfranco L. Spadini, Peter N. Crisp, Allan C. McRitchie