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:
Mar. 01, 1977
Filed:
Apr. 29, 1975
Applicant:
Inventors:
Mikhail Grigorievich Voronkov, Irkutsk, SU;
Eleonora Nikolaevna Deryagina, Irkutsk, SU;
Evgeny Andreevich Chernyshev, Moscow, SU;
Valentina Ivanovna Savushkina, Moscow, SU;
Anatoly Samuilovich Nakhmanovich, Irkutsk, SU;
Bella Moiseevna Tabenko, Moscow, SU;
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
2606 / ; 2603 / ;
Abstract
The method of preparing sulphides and disulphides of aromatic and heteroaromatic series which involves reacting an aromatic or heteroaromatic chlorine- or bromine-derivative with hydrogen sulphide at a temperature of 150.degree.-700.degree. C with subsequent isolation of the end product.