Patents by Inventor Steven D. Cherney

Steven D. Cherney 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).

  • Builder system and detergent product
    Patent number: 4040988
    Abstract: A builder system is provided for detergent compositions which comprises a precipitating builder, a crystallization seed, a sequestering builder, and an alkali metal silicate. The builder system may be formulated with a detergent and other components or may be used separately as an additive product.
    Type: Grant
    Filed: September 27, 1974
    Date of Patent: August 9, 1977
    Assignee: The Procter & Gamble Company
    Inventors: Richard W. Benson, Steven D. Cherney, Everett J. Collier
  • Process for preparing a pyrophosphate-silicate detergent product
    Patent number: 4019998
    Abstract: A detergent composition comprising an organic detergent, a difficultly soluble alkali metal silicate, an optional diluent, and an alkali metal pyrophosphate, and process for preparing said composition.
    Type: Grant
    Filed: September 29, 1975
    Date of Patent: April 26, 1977
    Assignee: The Procter & Gamble Company
    Inventors: Richard W. Benson, Steven D. Cherney, Everett J. Collier
  • Process for the preparation of spray-dried calcium carbonate-containing granules
    Patent number: 3992314
    Abstract: A method is provided for the preparation of a granular calcium carbonate-containing mixture wherein the calcium carbonate particles have a high effective surface area and a low degree of agglomeration.
    Type: Grant
    Filed: September 27, 1974
    Date of Patent: November 16, 1976
    Assignee: The Procter & Gamble Company
    Inventor: Steven D. Cherney
  • Combination alkali metal pyrophosphate-alkaline earth metal pyrophosphate detergent builder
    Patent number: 3939100
    Abstract: Alkali metal pyrophosphates and alkaline earth metal pyrophosphates are combined to provide a builder system for detergent compositions.
    Type: Grant
    Filed: February 14, 1975
    Date of Patent: February 17, 1976
    Assignee: The Procter & Gamble Company
    Inventors: Thomas J. Hau, Steven D. Cherney