Patents Represented by Attorney James Farrell

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  • 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
  • Combined bottle and cap
    Patent number: D376320
    Type: Grant
    Filed: May 4, 1995
    Date of Patent: December 10, 1996
    Assignee: Lever Bros. Co., Division of Conopco, Inc.
    Inventors: Gregory A. Lathrop, Mark D. Gerhart, David F. Gnadt, Kevin J. Markey, Frank E. Gonda, David S. Laubach