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:
Nov. 10, 1992
Filed:
Aug. 16, 1990
Applicant:
Inventors:
John S Moilliet, Bury, GB;
Ian K Jones, Burnage, GB;
Assignee:
Imperial Chemical Industries PLC, London, GB;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
564442 ; 558419 ;
Abstract
The invention relates to a process for the preparation of aminohalobenzenes which are useful as intermediates in the manufacture of agrochemicals, pharmaceuticals, and dyestuffs. The process involves the simultaneous hydrolysis in an acid medium of the two cyano groups in a 1,3-dicyanoaminohalobenzene to yield an aminohalobenzene.