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:
Jan. 24, 1995
Filed:
Dec. 07, 1993
Applicant:
Inventors:
Kyuichi Ohyama, Ohtake, JP;
Giichi Shimada, Iwakuni, JP;
Yuichi Tokumoto, Yokohama, JP;
Kazuo Sakamoto, Zama, JP;
Assignee:
Daicel Chemical Industries, Ltd., Sakai, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
560247 ;
Abstract
Disclosed is an improved process for the refinement of isopropyl acetate, whereby there can be effectively prepared isopropyl acetate having a high purity of, for example, approximately 99.9%, in which a distillate fraction having a carbon number of 3 obtained by catalytically cracking petroleums such as naphtha or a crude propylene by-produced in a process for the preparation of isobutene by the dehydrogenation of isobutane.
Ohyama, Kyuichi. (1995). Process for the preparation of isopropyl acetate (U.S. Patent No. 5384426). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5384426
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile