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:
Oct. 23, 1979
Filed:
Aug. 25, 1978
Applicant:
Inventors:
Charles A Smith, Charleston, WV (US);
Louis F Theiling, Jr, Charleston, WV (US);
Assignee:
Union Carbide Corporation, New York, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
260592 ; 260595 ;
Abstract
In the production of propiophenone by a vapor-phase, cross-decarboxylation process, an undesirable by-product, isobutyrophenone, is suppressed by addition of water or steam to the reactant stream.
Smith, Charles. (1979). Production of propiophenone (U.S. Patent No. 4172097). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4172097
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile