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. 23, 1982
Filed:
Jun. 21, 1978
Applicant:
Inventors:
Stella S Jones, Voorhees, NJ (US);
Christine B Ogston, Philadelphia, PA (US);
Robert L Webb, West Chester, PA (US);
Assignee:
SmithKline Corporation, Philadelphia, PA (US);
Primary Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
549 70 ;
Abstract
Thiophenecarbonyl chloride is produced in good yields by the direct acylation of thiophene in the presence of aluminum chloride with control of temperature and concentration.