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. 18, 1977
Filed:
Mar. 04, 1976
Applicant:
Inventors:
Masao Kawamura, Akashi, JA;
Tadaaki Nishi, Kakogawa, JA;
Hiro Tsuchiya, Kakogawa, JA;
Syuzi Takagi, Akashi, JA;
Assignee:
Seitetsu Kagaku Co., Ltd., , JA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J / ;
U.S. Cl.
CPC ...
2041 / ;
Abstract
Pyridine is reacted with chlorine at a molar ratio of pyridine to chlorine of 0.5-10 : 1 in a gaseous phase in the presence of at least 0.2 moles, preferably 1 to 20 moles of steam per mole of pyridine under irradiation of ultraviolet rays of 2000-5000 A, thereby producing 2-chloropyridine.