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:
Jul. 29, 1980
Filed:
Apr. 23, 1979
Applicant:
Inventor:
William J Middleton, Chadds Ford, PA (US);
Assignee:
E. I. Du Pont de Nemours and Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
2602 / ; 2605 / ; 560 62 ; 560105 ; 560227 ; 562471 ; 562472 ; 562496 ; 2602 / ; 2603435 ; 2603436 ; 2603974 ; 2603 / ; 546335 ; 549 70 ; 549 79 ; 562466 ; 562510 ; 560192 ; 560145 ; 568303 ; 568316 ; 568325 ; 568326 ; 568335 ; 568348 ; 568376 ; 568393 ; 568419 ; 568425 ; 568433 ; 568458 ; 568495 ;
Abstract
Process for preparing an organic compound of the formula R.sup.2 R.sup.2 CFC(O)R.sup.3, which process comprises contacting and reacting in a reaction mixture which includes an inert solvent, at a temperature of -40.degree. C. to -100.degree. C., ROF and ##STR1## R is polyfluoroperhaloalkyl of 1-6 carbon atoms or FOCF.sub.2 ; R.sup.1 is hydrocarbyl of 1-6 carbon atoms;