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:
Aug. 25, 1998
Filed:
Dec. 21, 1995
Applicant:
Inventors:
Patrick Henry Fitzgerald, Pitman, NJ (US);
Kimberly Gheysen Raiford, Hockessin, DE (US);
Edward James Greenwood, Hockessin, DE (US);
Assignee:
E. I. du Pont de Nemours and Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08K / ; C08K / ;
U.S. Cl.
CPC ...
524167 ; 524316 ; 524319 ; 524462 ; 525199 ;
Abstract
Compositions and processes for imparting repellency to low surface tension fluids in thermoplastic polymers, said compositions containing compounds of formulae R.sub.f SO.sub.2 (CH.sub.2).sub.n C(O).sub.2 OR, RSO.sub.2 (CH.sub.2).sub.n C(O)OR.sub.f and R.sub.f SO.sub.2 R wherein R.sub.f is F(CF.sub.2).sub.x --(CH.sub.2).sub.m wherein x is 4 to 20 and m is 2 to 6, R is a saturated aliphatic hydrocarbon with an average carbon chain length of 12 to 66 carbons; and n is 1 to 4 are disclosed.