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:
Jul. 08, 1980
Filed:
Feb. 15, 1979
Applicant:
Inventors:
Jean-Claude Michel, Orthez, FR;
Philippe Potin, Billere, FR;
Assignee:
Ato Chimie, Courbevoie, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
2602 / ; 546243 ; 2603 / ;
Abstract
The invention relates to a process for the preparation of lactames according to the so-called 'Beckmann rearrangement' which consists in isomerizing oximes in a sulfuric solution, the weight ratio percentage of sulfuric acid to the combined amount of sulfuric acid and water being raised to a value above that of the sulfuric solution feed.
Quick Actions:
Michel, Jean-Claude. (1980). Process for the preparation of lactames through oxime isomerization (U.S. Patent No. 4211700). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4211700
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile