Patents by Inventor Harold Evans Carman

Harold Evans Carman 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).

  • Continuous preparation of incorporated photographic amides
    Patent number: 6509500
    Abstract: This invention relates to a method of making an incorporated photographic amide comprising a) continuously combining an amine capable of forming an incorporated photographic amide, an acid chloride, one or more acid-absorbing reagents, and one or more water-immiscible solvents to continuously form a reaction mixture; b) continuously reacting the amine and acid chloride to form an incorporated photographic amide; and c) separating the incorporated photographic amide from the reaction mixture.
    Type: Grant
    Filed: May 24, 2001
    Date of Patent: January 21, 2003
    Assignee: Eastman Chemical Company
    Inventors: Harold Evans Carman, Eleanor Hawkins Cwirko, Robert Joseph Maleski, Karen Marie Richards, Jerry Neal Schlather
  • CONTINUOUS PREPARATION OF INCORPORATED PHOTOGRAPHIC AMIDES
    Publication number: 20020177731
    Abstract: This invention relates to a method of making an incorporated photographic amide comprising a) continuously combining an amine capable of forming an incorporated photographic amide, an acid chloride, one or more acid-absorbing reagents, and one or more water-immiscible solvents to continuously form a reaction mixture; b) continuously reacting the amine and acid chloride to form an incorporated photographic amide; and c) separating the incorporated photographic amide from the reaction mixture.
    Type: Application
    Filed: May 24, 2001
    Publication date: November 28, 2002
    Inventors: Harold Evans Carman, Eleanor Hawkins Cwirko, Robert Joseph Maleski, Karen Marie Richards, Jerry Neal Schlather