Patents by Inventor Wilder F. Pease

Wilder F. Pease 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).

  • Preparation and use of alkali metal isethionates from ethionic acid
    Patent number: 4435328
    Abstract: The invention discloses a process for the preparation of alkali metal isethionates from ethanol-derived ethionic acid and the use of these isethionates to prepare surface active fatty acyl isethionates. A mixture of calcium hydroxide and alkali metal hydroxide is used to separate the isethionate and the presence of an alkali or an alkali metal soap is required to obtain a light-colored fatty acyl isethionate having a yellowness index less than 10.
    Type: Grant
    Filed: September 27, 1982
    Date of Patent: March 6, 1984
    Assignee: Lever Brothers Company
    Inventors: Vincent Lamberti, Wilder F. Pease
  • Preparation and use of alkali metal isethionates from ethionic acid
    Patent number: 4369144
    Abstract: The invention discloses a process for the preparation of alkali metal isethionates from ethanol-derived ethionic acid and the use of these isethionates to prepare surface active fatty acyl isethionates. A mixture of calcium hydroxide and alkali metal hydroxide is used to separate the isethionate and the presence of an alkali or an alkali metal soap is required to obtain a light-colored fatty acyl isethionate having a yellowness index less than 10.
    Type: Grant
    Filed: June 4, 1981
    Date of Patent: January 18, 1983
    Assignee: Lever Brothers Company
    Inventors: Vincent Lamberti, Wilder F. Pease
  • Novel 2-(alkylsulfinyl)ethyl sulfates and compositions employing same
    Patent number: 4040781
    Abstract: The instant invention relates to a class of novel compounds having utility as surfactants in detergent compositions and also to detergent and other compositions employing said novel compounds.
    Type: Grant
    Filed: May 27, 1976
    Date of Patent: August 9, 1977
    Assignee: Lever Brothers Company
    Inventors: Vincent Lamberti, Wilder F. Pease
  • Novel 2-(alkylsulfinyl)ethyl sulfates and compositions employing same
    Patent number: 3986986
    Abstract: The instant invention relates to a class of novel compounds having utility as surfactants in detergent compositions and also to detergent and other compositions employing said novel compounds.
    Type: Grant
    Filed: July 21, 1975
    Date of Patent: October 19, 1976
    Assignee: Lever Brothers Company
    Inventors: Vincent Lamberti, Wilder F. Pease
  • Novel 2-(alkylsulfinyl)ethyl sulfates and compositions employing same
    Patent number: 3940433
    Abstract: The instant invention relates to a class of novel compounds having utility as surfactants in detergent compositions and also to detergent and other compositions employing said novel compounds.
    Type: Grant
    Filed: June 6, 1974
    Date of Patent: February 24, 1976
    Assignee: Lever Brothers Company
    Inventors: Vincent Lamberti, Wilder F. Pease