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:
Jul. 01, 1974
Viktor Sergeevich Smirnov, Moscow, SU;
Vladimir Mikahilovich Gryaznov, Moscow, SU;
Margarita Meerovna Ermilova, Moscow, SU;
Natalya Vsevolodovna Orekhova, Moscow, SU;
Other;
Abstract
The method of preparing cycloolefines consists in that, according to the invention, the corresponding cyclodienes are hydrogenated with hydrogen in the presence of a catalyst which is an alloy of palladium with ruthenium or rhodium, the ruthenium content of the alloy being from 1 to 11 per cent (preferably 10 per cent) by weight, and the rhodium content being from 1 to 5 per cent (preferably 2 per cent) by weight, respectively. The hydrogenation is carried out at temperatures from room temperature to 220.degree.C, at a pressure from 1 to 1.5 atm.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile