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. 21, 1986
Filed:
Sep. 27, 1984
Applicant:
Inventor:
Stephen K Boyer, Far Hills, NY (US);
Assignee:
Ciba-Geigy Corporation, Ardsley, NY (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C07B / ; C07D / ;
U.S. Cl.
CPC ...
549360 ; 210 57 ; 210749 ; 210755 ; 210909 ; 544242 ; 544264 ; 546257 ; 546139 ; 546152 ; 548215 ; 548335 ; 548373 ; 548469 ; 570204 ; 564305 ; 564412 ; 585254 ; 585469 ;
Abstract
Process for the dehalogenation of aryl and alpha-araliphatic halides comprising contacting the aryl halide or alpha-araliphatic halide with hypophosphite salt, in the presence of a catalytic amount of a noble metal catalyst. This process is useful in the field of organic synthesis and for the removal of environmentally hazardous aryl and alpha-araliphatic halides, including polychlorinated biphenyls and dibenzo-p-dioxins.