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:
Apr. 26, 1977
Filed:
Apr. 07, 1975
Applicant:
Inventor:
John R Kosak, Greenville, DE (US);
Assignee:
E. I. Du Pont de Nemours and Co., Wilminton, DE (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ; C07B / ;
U.S. Cl.
CPC ...
260580 ; 260689 ;
Abstract
Halonitroaromatic compounds are reduced in the liquid phase with hydrogen, a palladium or platinum catalyst and a dehalogenation-suppressing amount of a compound of the formula ##STR1## wherein X is H, OH, alkyl, phenyl or mono- or dialkylphenyl.