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. 15, 1997
Filed:
Mar. 19, 1996
Applicant:
Inventors:
Rolf-Michael Jansen, Kelkheim, DE;
Peter Hopp, Hofheim, DE;
Assignee:
Hoechst Aktiengesellschaft, , DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ; C07C / ;
U.S. Cl.
CPC ...
570179 ;
Abstract
Process for removing olefinic impurities from 2H-heptafluoropropane (R 227). The invention relates to a process for removing olefinic impurities from 2H-heptafluoropropane (R 227) by passing the contaminated R 227 in the gas phase at from -20.degree. to 100.degree. C. over aluminum oxide.
Jansen, Rolf-Michael. (1997). Process for removing olefinic impurities from 2h-heptafluoropropane (r (U.S. Patent No. 5621152). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5621152
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile