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:
Mar. 23, 1976
Filed:
Aug. 08, 1973
Arnold Brossi, Verona, NJ (US);
Wilhelm Kloetzer, East Orange, NJ (US);
Sidney Teitel, Clifton, NJ (US);
Hoffmann-La Roche Inc., Nutley, NJ (US);
Abstract
The present invention relates to the preparation of novel rheadan-type alkaloids and to novel intermediates useful in the preparation thereof. The process utilizes as starting materials a known class of alkaloids of the narcotine or of the hydrastine type. Certain of the said novel intermediates are also pharmaceutically useful in and of themselves. Additionally, certain of the novel intermediates can be converted into other type alkaloids which are also pharmaceutically useful.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile