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:
Dec. 27, 1983
Filed:
May. 17, 1982
Applicant:
Inventors:
Ernest L Plummer, North Tonawanda, NY (US);
David E Seelye, Lockport, NY (US);
Assignee:
FMC Corporation, Philadelphia, PA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
549 80 ; 546346 ; 546348 ; 548560 ; 549504 ; 549506 ; 570129 ; 570182 ; 585425 ;
Abstract
Improved yields of biaromatic compounds, e.g., unsymmetrical biphenyl compounds, result by incorporating metallic copper in a non-aqueous diazonium-type coupling reaction.