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:
Feb. 23, 1999
Filed:
Jun. 05, 1997
Applicant:
Inventors:
John W Larsen, Bethlehem, PA (US);
Tracey McCracken, Bethlehem, PA (US);
Jay E Rowe, Mohnton, PA (US);
Lee A Schaeffer, Mertztown, PA (US);
Assignee:
Crompton & Knowles Corporation, Stamford, CT (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
534565 ; 534642 ; 534834 ; 534839 ; 534842 ; 534861 ; 534887 ;
Abstract
A process for diazotizing an amine comprises the steps of oxidizing nitric oxide in solution with an oxidizing agent to maintain an equilibrium concentration of a diazotizing agent and reacting a primary aromatic amine in situ with said diazotizing agent in said solution.