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:
Jun. 15, 1976
Filed:
Aug. 26, 1974
Applicant:
Inventor:
Yasuhiro Takeshita, Chiba, JA;
Assignee:
Idemitsu Kosan Co., Ltd., Tokyo, JA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ;
U.S. Cl.
CPC ...
2606 / ; 2605 / ; 260 / ; 2524 / ; 252-9 ;
Abstract
Process for producing cyclic polyenes having the general formula ##EQU1## WHEREIN N IS AT LEAST 2 BY CONTACTING CYCLOPENTENE WITH A COMPLEX CATALYST OF (I) TRIALKYL ALUMINUM, (II) WOLFRAM HEXAHALIDES AND (III) ALLYL HALIDES OR METHALLYL HALIDES. The invention also provides novel 15 carbon cyclic polyenes.