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:
Apr. 26, 1977
Filed:
Feb. 06, 1975
Applicant:
Inventors:
George Albert Boswell, Jr, Wilmington, DE (US);
Charles William Tullock, Landenberg, PA (US);
Assignee:
E. I. Du Pont de Nemours and Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
2606 / ; 2605 / ; 2605 / ; 2605 / ; 2605 / ; 2605 / ; 2606 / ; 2606 / ; 2606 / ; 260470 ;
Abstract
Phenols are oxidatively fluorinated by reaction with sulfur tetrafluoride in hydrogen fluoride solution at about 0.degree. to 250.degree. C. to form products which are useful as solvents and/or plasticizers for polymers. The novel products of this process include 1-fluoro-2-hydro-2,5-cyclohexadienes of the structure ##STR1## WHERE A AND B ARE FLUORINE, OR TOGETHER ARE CARBONYL OXYGEN,