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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 4954628 B1

PDFFull Text
Date of Patent:
Sep. 04, 1990

Filed:

Mar. 02, 1989

Process for preparing n-sulphonyl-ureas

Applicant:
Inventors:

Gabor Besenyei, Budapest, HU;

Sandor Nemeth, Budapest, HU;

Laszlo Simandi, Budapest, HU;

Maria Belak, Budapest, HU;

Maria Szabo, Budapest, HU;

Jozsef Dukai, Veszprem, HU;

Lajos Nagy, Fuzfogyartelep, HU;

Elemer Tomordi, Veszprem, HU;

Csaba Soptei, Veszprem, HU;

Erzsebet E Dioszegine, Veszprem, HU;

Assignees:

Nitrokaelepek, Fufogyartelep, HU;

Magyar Tudomanyos Akademia Kozponti Kemiai Kutato Intezete, Budapest, HU;

Attorney:

Schweitzer & Cornman

Primary Examiner:

John M Ford

Int. Cl.
CPC ...
C07D / ; C07D / ; C07D / ; C07D / ;
U.S. Cl.
CPC ...
544211 ; 544212 ; 544209 ; 544207 ; 544206 ; 544198 ; 544197 ; 544300 ; 544301 ; 544310 ; 544311 ; 544316 ; 544317 ; 546284 ; 546307 ; 546308 ; 546309 ; 546291 ; 546292 ; 546293 ; 546306 ; 564 39 ; 564 40 ; 564 42 ; 564 43 ; 544319 ; 544320 ; 544321 ; 544323 ; 544324 ; 544327 ; 544331 ; 544332 ; 544322 ; 544208 ; 558 61 ; 549 61 ; 549 62 ; 549 64 ; 549 65 ;
Abstract

The invention relates to a process for preparing sulphonyl-ureas of the general formula (I) ##STR1## wherein Ar.sub.1 represents a phenyl, naphthyl or thienyl group, the derivatives thereof substituted by C.sub.1-4 alkyl, C.sub.1-4 haloalkyl, (halo)alkoxycarbonyl, (halo)alkyloxy, nitro, cyano groups as well as by halogen atoms,

Find Patent Forward Citations

Besenyei, Gabor. (1990). Process for preparing n-sulphonyl-ureas (U.S. Patent No. 4954628). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4954628

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

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