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:
Oct. 22, 1996
Filed:
Feb. 17, 1995
Applicant:
Inventor:
Vijai P Gupta, Berwyn, PA (US);
Assignee:
Arco Chemical Technology, L.P., Greenville, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
568411 ; 203 63 ;
Abstract
Acetone produced during MTBE production and containing methanol, aldehydes and other organic impurities is contacted with a solution of basic material such as NaOH in lower glycol at conditions effective to polymerize aldehyde impurities, the polymerized impurities are separated, and acetone is separated from methanol in an extractive distillation using the same lower glycol as extractive distillation agent.
Quick Actions:
Gupta, Vijai. (1996). Purification of acetone (U.S. Patent No. 5567853). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5567853
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile