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:
Mar. 06, 1979
Filed:
May. 22, 1978
Applicant:
Inventors:
Marylu B Gibbs, Baton Rouge, LA (US);
Gordon Liu, Baton Rouge, LA (US);
Assignee:
The Dow Chemical Company, Midland, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
2606536 ; 2606537 ;
Abstract
Methyl ketones such as acetone, methyl ethyl ketone, and methyl isobutyl ketone react with vaporized aqueous HF in the vapor phase at about 190.degree. C.-400.degree. C. to make the corresponding 2,2-difluoroalkanes.