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:
Jan. 13, 1981
Filed:
Oct. 27, 1976
Applicant:
Inventors:
Teiziro Matsumoto, Kakogawa, JP;
Moriyasu Matsuda, Kakogawa, JP;
Hiroshi Mizokami, Kakogawa, JP;
Tsuneo Kibamoto, Kakogawa, JP;
Katsuma Hatta, Kakogawa, JP;
Assignee:
Seitetsu Kagaku Co., Ltd., Hyogo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
568779 ;
Abstract
Chlorination of xylenols with a chlorinating agent such as sulfuryl chloride in the presence of a metal chloride catalyst is conducted in further presence of 0.001 to 1% by weight of a sulfur compound, based on the xylenols, whereby industrially useful xylenols are obtained safely with a high selectivity and high yield.