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:
Apr. 30, 1985
Filed:
Mar. 02, 1984
Applicant:
Inventor:
Joseph S Bowers, Jr, Kingsport, TN (US);
Assignee:
Eastman Kodak Company, Rochester, NY (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ; C07D / ;
U.S. Cl.
CPC ...
546181 ; 546178 ;
Abstract
Disclosed is a process for preparing 2,2,4-trimethyl-1,2-dihydroquinoline compounds by reacting acetone with an aniline compound in the presence of a strongly acidic sulfonic acid-type macroreticular cation exchange resin catalyst. 2,2,4-Trimethyl-1,2-dihydroquinoline compounds are obtained in good yield and containing substantially no catalyst residue contaminant.
Bowers, Jr, Joseph. (1985). Process for the preparation of 2,2,4-trimethyl-1,2-dihydroquinoline (U.S. Patent No. 4514570). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4514570
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile