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:
Sep. 23, 1980
Filed:
Apr. 16, 1979
Applicant:
Inventors:
Nobuyuki Nagato, Wako, JP;
Taketoshi Naito, Yokohama, JP;
Assignee:
Showa Denko K.K., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
2604 / ;
Abstract
Process for preparing an alkyl isocyanate having the isocyanate group bonded to the tertiary carbon atom of the alkyl group, which comprises reacting the corresponding alkyl halide in a substantially anhydrous condition in the presence of a specified catalyst with an alkali metal cyanate in an aprotic solvent which forms no salt with a hydrogen halide.