Patents by Inventor Crispen S. Moorehouse

Crispen S. Moorehouse 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 preparation of cyclohexanedicarboxylic acid
    Patent number: 5202475
    Abstract: A process for preparation of 1,3- or 1,4-cyclohexanedicarboxylic acid comprising(A) preparing a solution comprised of the disodium salt of terephthalic acid or isophthalic acid and water,(B) continuously preparing the disodium salt of 1,3- or 1,4-cyclohexanedicarboxylic acid by continuously contacting the solution with hydrogen and the combination of ruthenium metal and a carbon support in a packed column,(C) preparing 1,3- or 1,4-cyclohexanedicarboxylic acid by contacting the disodium salt of 1,3- or 1,4-cyclohexanedicarboxylic acid with sulfuric acid or hydrochloric acid, and(D) recovering the 1,3- or 1,4-cyclohexanedicarboxylic acid by crystallization of the 1,3- or 1,4-cyclohexanedicarboxylic acid.
    Type: Grant
    Filed: February 4, 1992
    Date of Patent: April 13, 1993
    Assignee: Eastman Kodak Company
    Inventors: Steven L. Cook, Gether Irick, Jr., Crispen S. Moorehouse
  • Process for preparation of cyclohexanedicarboxylic acid
    Patent number: 5118841
    Abstract: A process for preparation of 1,3- or 1,4-cyclohexanedicarboxylic acid comprising(A) continuously preparing a solution comprised of the disodium salt of terephthalic acid or isophthalic acid and water,(B) continuously preparing the disodium salt of 1,3- or 1,4-cyclohexanedicarboxylic acid by continuous contacting the solution with hydrogen and the combination of ruthenium metal and a carbon support in a packed column,(C) continuously preparing 1,3- or 1,4-cyclohexanedicarboxylic acid by continuously contacting the disodium salt of 1,3- or 1,4-cyclohexanedicarboxylic acid with sulfuric acid or hydrochloric acid, and(D) continuously recovering the 1,3- or 1,4-cyclohexanedicarboxylic acid by continuous crystallization of the 1,3- or 1,4-cyclohexanedicarboxylic acid.
    Type: Grant
    Filed: September 16, 1991
    Date of Patent: June 2, 1992
    Assignee: Eastman Kodak Company
    Inventors: Steven L. Cook, Gether Irick, Jr., Crispen S. Moorehouse