Patents by Inventor Anne R. Donnell

Anne R. Donnell 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).

  • Methylated muconic acid hydrazides
    Patent number: 3991112
    Abstract: Mono and dihydrazides of the cis-cis, cis-trans and trans-trans isomers of methylated muconic acids including .alpha.-methylmuconic acid, .beta.-methylmuconic acid, .alpha.,.alpha.'-dimethylmuconic acid, .alpha.,.beta.'-dimethylmuconic acid, .alpha.,.alpha.',.beta.-trimethylmuconic acid, .alpha.,.beta.,.beta.'-trimethylmuconic acid and .alpha.,.alpha.',.beta.,.beta.'-tetramethylmuconic acid. The compounds are suitable for use in rubber stabilization, rubber curing and plant growth regulation.
    Type: Grant
    Filed: June 23, 1970
    Date of Patent: November 9, 1976
    Assignee: Sun Research and Development Co.
    Inventor: Anne R. Donnell