Patents by Inventor William Michalowicz

William Michalowicz 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).

  • Patent number: 4754039
    Abstract: Pyridine-2,3-dicarboxylic acid can be prepared by oxidizing quinoline with a chlorate salt in an aqueous acidic medium. The oxidation can be conducted in the presence of cupric ions generated from an acid-soluble cupric compound.
    Type: Grant
    Filed: January 30, 1986
    Date of Patent: June 28, 1988
    Assignee: Ruetgers-Nease Chemical Co., Inc.
    Inventor: William Michalowicz
  • Patent number: 4024187
    Abstract: M-Amino-.alpha.-methylbenzyl alcohol is produced in a facile manner in a single step hydrogenation from m-nitroacetophenone under relatively mild conditions with standard hydrogenation catalysts through the utilization of an aqueous reaction medium.
    Type: Grant
    Filed: May 24, 1974
    Date of Patent: May 17, 1977
    Assignee: American Color & Chemical Corporation
    Inventor: William Michalowicz
  • Patent number: 4021487
    Abstract: M-Amino-.alpha.-methylbenzyl alcohol is produced in a facile manner in a single step hydrogenation from m-nitroacetophenone under relatively mild conditions with a palladium catalyst, through the utilization of a strongly acidic aqueous medium.
    Type: Grant
    Filed: May 24, 1974
    Date of Patent: May 3, 1977
    Assignee: American Color & Chemical Corporation
    Inventor: William Michalowicz