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:
Aug. 12, 2003
Filed:
Apr. 25, 2001
Applicant:
Inventor:
John A. Wismer, Lower Makefield, PA (US);
Assignee:
Atofina Chemicals, Inc., Philadelphia, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 3/34 ; C01B 7/19 ; C07C 1/7386 ;
U.S. Cl.
CPC ...
B01D 3/34 ; C01B 7/19 ; C07C 1/7386 ;
Abstract
A method for isolating 32 from a crude mixture containing HCl and an azeotropic mixture of 32 and HF is provided without the need to isolate any HF azeotrope.
Wismer, John. (2003). Recovery of hfc-32 (U.S. Patent No. 6605193). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6605193
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile