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:
Jun. 02, 1998
Filed:
Jun. 28, 1996
Applicant:
Inventor:
Ernest Byron Wysong, Hockessin, DE (US);
Assignee:
E. I. du Pont de Nemours and Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
534578 ; 534838 ; 502167 ;
Abstract
An azodinitrile composition comprising a mixture of at least six different azodinitriles of formula I ##STR1## wherein R.sub.1, R.sub.2, R.sub.3, and R.sub.4 are each independently acyclic aliphatic hydrocarbon radicals of 1-9 carbon atoms, said mixture having a freezing point of a maximum of 25.degree. C. and a process for its preparation are disclosed.