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:
Apr. 06, 1976
Filed:
Dec. 16, 1971
Applicant:
Inventors:
Sigurd Rosinger, Frankfurt am Main, DT;
Heinz Boesenberg, Hofheim, Taunus, DT;
Adolf Gaube, Hofheim, Taunus, DT;
Assignee:
Hoechst Aktiengesellschaft, Frankfurt am Main, DT;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D / ; C07C / ;
U.S. Cl.
CPC ...
2041 / ;
Abstract
Polychlorcyclopentane and hexachlorcyclopentadiene are prepared by reacting liquid chlorinated cyclopentane with gaseous chlorine in the presence of an electromagnetic radiation and optionally by a subsequent reaction of these higher chlorinated cyclopentanes with chlorine at a temperature of more than 300.degree.C to yield hexachlorcyclopentadiene.