Patents by Inventor Lawrence C. Grahl

Lawrence C. Grahl 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).

  • Process for preparing concentrated surfactant mixtures containing magnesium
    Patent number: 5474710
    Abstract: A process for preparing a surfactant mixture containing magnesium in which said surfactant mixture is fluidizable. The process comprises neutralizing the surfactant with magnesium hydroxide or magnesium oxide followed by the addition of certain sugars. The resultant surfactant mixture is easily manipulated for use in detergent compositions such as concentrated light duty liquid or gel dishwashing detergent compositions.
    Type: Grant
    Filed: August 27, 1993
    Date of Patent: December 12, 1995
    Inventors: Kofi Ofosu-Asanta, Lawrence C. Grahl
  • Process for preparing polyhydroxy fatty acid amide compositions
    Patent number: 5283009
    Abstract: A process for preparing polyhydroxy fatty acid amide compositions which are pumpable at temperatures between about 70.degree. F. (21.1.degree. C.) and about 120.degree. F. (48.9.degree. C.) by adding certain soluble inorganic salts or salts of C.sub.1-3 carboxylic acids to a heated polyhydroxy fatty acid amide preparation.
    Type: Grant
    Filed: March 10, 1992
    Date of Patent: February 1, 1994
    Assignee: The Procter & Gamble Co.
    Inventors: D. Thomas Speckman, Lawrence C. Grahl, Kofi Ofosu-Asante