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:
Sep. 20, 1988
Filed:
Oct. 31, 1986
Applicant:
Inventors:
Raymond Bertholet, La Tour-de-Peilz, CH;
Pierre Hirsbrunner, Corseaux, CH;
Assignee:
Nestec S. A., Vevey, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
548504 ; 548507 ;
Abstract
Melatonine is obtained by methylating N-acetyl serotonine in the 5-position. Mexamine is obtained by de-acetylating melatonine in a hot alkaline solution containing a water-insoluble alcohol and acidifying the alcohol phase with hydrochloric acid.
Bertholet, Raymond. (1988). Preparation of melatonine and mexamine (U.S. Patent No. 4772726). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4772726
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile