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. 17, 2018
Filed:
Feb. 28, 2014
Applicant:
Arkema Inc., King of Prussia, PA (US);
Inventors:
Maher Y. Elsheikh, Wayne, PA (US);
Philippe Bonnet, Lyons, FR;
Assignee:
Arkema Inc., King of Prussia, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 5/04 (2006.01); A62D 1/00 (2006.01); C07C 17/389 (2006.01); C07C 17/42 (2006.01); C09K 3/30 (2006.01); C07C 21/18 (2006.01); C08J 9/14 (2006.01); C09K 3/00 (2006.01);
U.S. Cl.
CPC ...
A62D 1/0092 (2013.01); C07C 17/389 (2013.01); C07C 17/42 (2013.01); C07C 21/18 (2013.01); C08J 9/146 (2013.01); C09K 3/00 (2013.01); C09K 3/30 (2013.01); C09K 5/044 (2013.01); C09K 5/045 (2013.01); C08J 2300/22 (2013.01); C09K 2205/126 (2013.01);
Abstract
Hydrofluoroolefins and hydrochlorofluoroolefins contaminated with acid and/or iron compounds are purified and stabilized by contacting the haloolefin with a solid adsorbent such as alumina and then combining the purified haloolefin with one or more stabilizers such as an epoxide. The purified, stabilized haloolefins thus obtained are useful in a wide variety of end-use applications, including, for example, as refrigerants, propellants, foaming agents, fire suppression or extinguishing agents, and solvents.