The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 28, 1990
Filed:
Jan. 27, 1989
Applicant:
Inventors:
James J Maul, Grand Island, NY (US);
David Y Tang, East Amherst, NY (US);
Assignee:
Occidental Chemical Corporation, Niagara Falls, NY (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
558425 ;
Abstract
A process for the preparation of 3-chloro-4,5-difluorobenzonitrile comprising the steps of
Maul, James. (1990). Process for the preparation of halo aromatic compounds (U.S. Patent No. 4952719). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4952719
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile