Patents by Inventor Irwin D. Greene

Irwin D. Greene 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 the preparation of 2,5-dimethyl-1,4: 3,6-dianhydrosorbitol
    Patent number: 4322359
    Abstract: A water-miscible, non-hydroxylic, organic solvent is employed in the production of 2,5-dimethyl-1,4: 3,6-dianhydrosorbitol by methylation of 1,4: 3,6-dianhydrosorbitol with dimethyl sulfate.
    Type: Grant
    Filed: March 19, 1981
    Date of Patent: March 30, 1982
    Assignee: American Cyanamid Company
    Inventors: Ray L. Hillard, Irwin D. Greene