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:
Nov. 25, 1997
Filed:
Jun. 07, 1995
Applicant:
Inventors:
Assignee:
Ausimont S.p.A., Milan, IT;
Primary Examiner:
Int. Cl.
CPC ...
B05D / ;
U.S. Cl.
CPC ...
4273884 ; 4273897 ; 427392 ; 4273934 ; 4273936 ; 427396 ;
Abstract
Phosphoric monoesters of formula: ##STR1## wherein: L is a divalent organic group; m=1; Y is --F or --CF.sub.3 ; Z.sup.+ is selected from: H.sup.+, M.sup.+ wherein M is an alkali metal, N(R).sub.4.sup.+ wherein the R groups, equal or different from each other, are H or C.sub.1 -C.sub.6 alkyls; R.sub.f is a poly-perfluoroalkyleneoxide chain; are used for surface treatment of cellulosic (for instance wood or paper), metallic (either ferrous or non-ferrous), vitreous (for instance glass or vitrified ceramics) materials, or of cements, marbles, granites, and the like.