Patents by Inventor Diane Riesgraf

Diane Riesgraf 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).

  • Solid composition comprising vitamin E acetate
    Patent number: 6500792
    Abstract: A solid cleansing composition comprising a. About 1 to about 90 wt. % soap, b. About 0.02 to about 2.0 wt. % of a Vitamin E precursor or mixture thereof, c. A Vitamin E precursor deposition effective amount of a cationic deposition polymer or mixture thereof, and d. From zero to the essential absence of Vitamin E.
    Type: Grant
    Filed: January 25, 2001
    Date of Patent: December 31, 2002
    Assignee: Colgate-Palmolive Company
    Inventors: Diane Riesgraf, Nadia Soliman, Zeenat Nabi
  • SOLID COMPOSITION COMPRISING VITAMIN E ACETATE
    Publication number: 20020142925
    Abstract: A solid cleansing composition comprising
    Type: Application
    Filed: January 25, 2001
    Publication date: October 3, 2002
    Inventors: Diane Riesgraf, Nadia Soliman, Nabi Zeenat
  • Topical tale containing compositions
    Patent number: 5959019
    Abstract: A composition comprisinga) about 40 to about 85 wt. % of water,b) about 12 to about 50 wt. % of talcc) an acrylate/C.sub.10 /C.sub.30 alkyl acrylate cross polymer, emulsifier and thickening agent in quantities effective to emulsify composition and provide increased viscosity to the aqueous composition, andd) a polyacrylamide in composition thickening and stabilizing quantities.
    Type: Grant
    Filed: August 22, 1997
    Date of Patent: September 28, 1999
    Assignee: Colgate-Palmolive Company
    Inventors: Diane Riesgraf, Dean T. Su
  • Erasable inks containing thermoplastic block copolymers
    Patent number: 4389499
    Abstract: An erasable ink containing a thermoplastic block copolymer, pigment particles, and a solvent. In a preferred embodiment, an erasable ink requiring little or no pressurization is provided by employing a mixture of radial and linear block copolymers and a mixed solvent system falling within a specific range of solubility parameter. Polybutene and poly-alpha-methylstyrene are preferred additives to decrease smearing tendency.
    Type: Grant
    Filed: November 5, 1981
    Date of Patent: June 21, 1983
    Assignee: The Gillette Company
    Inventor: Diane A. Riesgraf