Patent · US Active

Aromatic compounds bearing hydroxyl-substituted (per)fluoropolyether chains

US10766844B2 · kind B2 · utility

7Cited by

1References

12Claims

0Family size

Assignee

SOLVAY SPECIALTY POLYMERS ITALY S.P.A. · IT

Inventors

Roberto Valsecchi · Zingonia, IT
Pier Antonio Guarda · Arese, IT
Rosaldo Picozzi · Cesate, IT

Key dates

Filing date	May 14, 2015
Grant date	Sep 8, 2020
Priority date	—
Expiry date	Jul 16, 2036

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC10N2040/18
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

Compounds [compounds (L)] comprising at least one monocyclic, polycyclic or polycondensed aromatic moiety [moiety (A*)], wherein: at least one carbon atom of moiety (A*) is substituted with a fluoropolyoxyalkene chain [chain (Rf)], said chain (Rf) comprising: a) a fluorocarbon segment having ether linkages in the main chain and b) at least one hydroxyl group and wherein: at least one other carbon atom of moiety (A*) is substituted with an electron-withdrawing group and mixtures thereof are herein disclosed. Disclosed are also a process for manufacturing compounds (L), a method for lubricating MRM comprising using compounds (L), a lubricant composition comprising one or more compounds (L) and a method for manufacturing a composition (C).

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.