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.

Date of Patent:
Nov. 30, 1976

Filed:

Aug. 08, 1975
Applicant:
Inventors:

Ken-ichi Wakabayashi, Machida, JA;

Yasuhiro Chigira, Yokohama, JA;

Kaoru Fukuda, Sagamihara, JA;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07J / ;
U.S. Cl.
CPC ...
2603974 ; 2603975 ;
Abstract

Steroidal 19-nor-3-hydroxy-1, 3, 5(10)-trienes are produced by a process which comprises admixing a preheated hydrocarbon and a solution of a steroidal 10-methyl-1, 4-diene-3-one dissolved or suspended in a hydrocarbon, and then pyrolyzing said steroidal compound.


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