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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.:

US 4059610 B1

PDFFull Text
Date of Patent:
Nov. 22, 1977

Filed:

May. 14, 1976

Process for preparing isocyanic acid derivatives

Applicant:
Inventors:

Susumu Handa, Wakayama, JA;

Yoshiaki Tanaka, Osaka, JA;

Atsushi Nishibata, Wakayama, JA;

Sadashi Ueda, Wakayama, JA;

Yoshiaki Inamoto, Wakayama, JA;

Masahiro Saito, Wakayama, JA;

Fumio Tanimoto, Kyoto, JA;

Hisao Kitano, Osaka, JA;

Assignee:

Kao Soap Co., Ltd., Tokyo, JA;

Attorney:

Blanchard, Flynn, Thiel, Boutell & Tanis

Primary Examiner:

Dolph H Torrence

Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
544193 ; 260 / ; 260 / ; 560229 ; 560 88 ; 560196 ; 2602 / ; 2603477 ; 2604 / ; 260463 ; 2604654 ; 2604 / ; 560226 ; 560227 ; 544222 ; 526291 ; 526293 ; 526294 ; 2605 / ;
Abstract

Isocyanic acid derivatives are prepared by reacting an organic halogen compound with an alkali cyanate in N,N-disubstituted organic acid amides, N,N-disubstituted sulfonic acid amides, sulfoxides, sulfones or macrocyclic polyethers, at 70.degree. to 200.degree. C, in the presence of organic polyhalogen compounds selected from compounds having dihalogenomethyl group, dihalogenomethylene group, or trihalogenomethyl group and tetrahalogenomethane, in an amount in the range of from 1 to 20 weight percent based on the weight of said organic halogen compounds.

Find Patent Forward Citations

Handa, Susumu. (1977). Process for preparing isocyanic acid derivatives (U.S. Patent No. 4059610). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4059610

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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