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:
May. 15, 1979
Filed:
Jan. 03, 1972
Applicant:
Inventor:
Harold C Fielding, Runcorn, GB;
Assignee:
Imperial Chemical Industries Limited, London, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ;
U.S. Cl.
CPC ...
2604 / ; 546312 ; 546236 ; 2605 / ; 260969 ; 2605 / ; 2603436 ; 2603 / ; 26050121 ; 2604 / ; 2605 / ; 2605 / ; 2605 / ; 2605 / ; 2605 / ; 2605 / ; 260575 ; 260573 ; 260457 ; 2604 / ; 2605 / ; 2605 / ; 2604 / ; 560221 ; 560104 ; 560192 ; 568615 ; 568677 ; 568649 ; 568655 ;
Abstract
Surface-active products containing a highly fluorinated aliphatic substituent are prepared by nucleophilic attack of an oligomer of tetrafluoroethylene with an organic hydroxy compound in association with a proton acceptor.