Use of mono- and bifunctional (per) fluoropolyether...

Details Use of mono- and bifunctional (per) fluoropolyether... Use of mono- and bifunctional (per) fluoropolyether...

2006-05-16

2006-05-16

Moore, Margaret G. (Department: 1712)

Cleaning and liquid contact with solids

Processes

Including forming a solidified or hardened coating for cleaning

C106S287130, C106S287140, C106S287290

Reexamination Certificate

active

07045016

ABSTRACT:
Use in the treatment of ceramic materials for obtaining an easy stain removal, of mono- and bifunctional (per)fluoropolyether derivatives having the following structures:in-line-formulae description="In-line Formulae" end="lead"?[Rf—CFY-L-O]mP(O)(O−Z+)3-m  (A)in-line-formulae description="In-line Formulae" end="tail"?in-line-formulae description="In-line Formulae" end="lead"?(O−Z+)2P(O)[O-L-YFC—O—Rf—CFY-L-O—P(O)(O−Z+)]m′-[O-L-YFC—O—Rf—CFY-L-O]P(O)(O−Z+)2  (B)in-line-formulae description="In-line Formulae" end="tail"?in-line-formulae description="In-line Formulae" end="lead"?Rf—CFY-L-W  (C)in-line-formulae description="In-line Formulae" end="tail"?in-line-formulae description="In-line Formulae" end="lead"?W-L-YFC—O—Rf—CFY-L-W  (D)in-line-formulae description="In-line Formulae" end="tail"?wherein m′ is an integer from 0 to 20, preferably from 0 to 4;L is an organic group selected from —CH2-(OCH2CH2)n—, —CO—NR′—(CH2)q—, with R′=H or C1–C4alkyl group;n=0–8, preferably 1–3, q=1–8, preferably 1–3;Z=H, alkaline metal or NR4group with R=H or C1–C4alkyl group;Y=F, CF3; m=1,2,3, preferably 1,2;W is a —Si(R1)α(OR2)3-αgroup with α=0,1,2, R1and R2equal to or different from each other are C1–C6alkyl groups, optionally containing one or more ether O, C6–C10aryl groups, C7–C12alkyl-aryl or aryl-alkyl groups.

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English Language Translation JP9-272736 (Machine Generated).
English Language Translation JP 11-246330 (Machine Generated).
Abstract DE 4041607 Jul. 2, 1992.
Definition “terracotta”, Webster's New Collegiate Dictionary, 1980.

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