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:
Sep. 01, 1998
Filed:
Oct. 08, 1996
Applicant:
Inventors:
Gustavo Cerri, Boonton, NJ (US);
Kin Ching Kong, Woodside, NY (US);
Assignee:
AlliedSignal Inc., Morristown, NJ (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ; C07C / ;
U.S. Cl.
CPC ...
203 99 ; 203D / ; 423488 ; 570178 ;
Abstract
A liquid and vapor phase processes for the production of difluoromethane in which the risk of exposure to, and equipment fouling from, chlorofluoromethane is reduced. This reduction is accomplished from removing a sidestream containing monochloromonofluoromethane from a fluorination process distillation column.
Cerri, Gustavo. (1998). Process for the production of difluoromethane (U.S. Patent No. 5800682). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5800682
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile