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:
Oct. 27, 1981
Filed:
Oct. 09, 1980
Applicant:
Inventor:
John W Verbicky, Scotia, NY (US);
Assignee:
General Electric Company, Schenectady, NY (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
2603463 ; 2604 / ;
Abstract
An aromatic compound of the class of phthalic anhydride and ortho-phthalonitrile can be monochlorinated, predominantly in the 4-position, by a vapor phase reaction involving passing chlorine and the aromatic compound through a heated zone maintained at a temperature above 350.degree. C.
Quick Actions:
Verbicky, John. (1981). Chlorination of phthalic anhydride (U.S. Patent No. 4297283). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4297283
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile