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. 09, 1996
Filed:
Jun. 06, 1995
Applicant:
Inventors:
Thomas R Bierschenk, Round Rock, TX (US);
Timothy Juhulke, Round Rock, TX (US);
Hajimu Kawa, Austin, TX (US);
Richard J Lagow, Austin, TX (US);
Assignee:
Exfluor Research Corporation, Austin, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ; C07C / ;
U.S. Cl.
CPC ...
525410 ; 525403 ; 525408 ; 525409 ; 525411 ; 528401 ; 528402 ; 528417 ; 528419 ; 528420 ; 528421 ; 560192 ; 560197 ; 560198 ; 560199 ; 560200 ; 560227 ; 560219 ; 560223 ; 560224 ; 562583 ; 562586 ; 564160 ; 564201 ; 564203 ; 564209 ; 564225 ; 568606 ; 568615 ; 568669 ;
Abstract
This invention pertains to perfluoropolyethers and perhalogenated chlorofluoropolyethers that can be prepared by fluorinating addition polymers made by polymerizing epoxides.