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.:

US 6812358 B1

PDF
Full Text
Expired
Date of Patent:
Nov. 02, 2004

Filed:

Jun. 06, 2002
Applicant:
Inventors:

Verlan H. Van Rheenen, Portage, MI (US);

Edward J. Hessler, Kalamazoo, MI (US);

Assignee:

Bridge Organics Co., Vicksburg, MI (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07J 1/00 ; A61K 3/156 ; A61K 3/158 ; C07D / ;
U.S. Cl.
CPC ...
C07J 1/00 ; A61K 3/156 ; A61K 3/158 ; C07D / ;
Abstract

A novel process for making estra-4,9(10)-diene-3,17-dione steroids from readily available 19-nor-androst-4-ene-3-one steroids by a straightforward three-step process. Products of this process are important intermediates in the preparation of biologically active substances.


Find Patent Forward Citations

Van Rheenen, Verlan. (2004). Process for making estra-4,9(10)-diene steroids (U.S. Patent No. 6812358). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6812358

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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