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:
Mar. 17, 1981
Filed:
Sep. 04, 1979
Applicant:
Inventors:
Edwin C Steiner, Midland, MI (US);
G Edwin Vrieland, Midland, MI (US);
Assignee:
The Dow Chemical Company, Midland, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
546345 ;
Abstract
The nuclear iodine substituents borne by an iodopyridine are displaced by introducing gaseous chlorine into the mixture at a temperature of from about 100.degree. C. to about 250.degree. C. The displacement of iodine produces chloropyridines, which can then be conveniently separated from the liberated iodine by conventional methods such as distillation.
Steiner, Edwin. (1981). Process for displacing nuclear iodine with chlorine in iodipyridines (U.S. Patent No. 4256895). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4256895
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile