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:
Nov. 20, 1985
Applicant:
Inventor:
Leonard H Beck, Wilmington, DE (US);
Assignee:
E. I. Du Pont de Nemours and Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ;
U.S. Cl.
CPC ...
568842 ;
Abstract
R.sub.f CH.sub.2 CH.sub.2 I and R.sub.f I present in sufficient quantities so as to cause discoloration of R.sub.f CH.sub.2 CH.sub.2 OH or products made from it are reacted with an excess of an aqueous alkali metal hydroxide and a C.sub.1 -C.sub.3 alcohol in a closed vessel at a temperature above 80.degree. C. until neither of said iodides can be detected in said final product. NaOH and isopropanol at 100.degree.-115.degree. C. are preferred.