Global Patent Index - EP 0244838 A1

EP 0244838 A1 19871111 - Use of a fluid perfluoropolyether having a very high viscosity as a lubricant.

Title (en)

Use of a fluid perfluoropolyether having a very high viscosity as a lubricant.

Title (de)

Verwendung eines flüssigen Perfluorpolyethers mit sehr hoher Viskosität als Schmiermittel.

Title (fr)

Utilisation d'un polyéther perfluoré à viscosité très élevée comme lubrifiant.

Publication

EP 0244838 A1 19871111 (EN)

Application

EP 87106528 A 19870506

Priority

IT 2032286 A 19860506

Abstract (en)

Use as the basic component of lubricating oils and greases, of a fluid perfluoropolyether, with linear structure, having a kinematic viscosity at 20 DEG C not lower than 8,000 cSt, and constituted by sequences of perfluorooxyalkylene units selected from -CF2CF2O-, -CF2O, -CF2CF2CF2O- units.

IPC 1-7

C10M 107/38; C10M 169/02

IPC 8 full level

C10M 107/38 (2006.01); C10M 169/02 (2006.01); C10N 20/02 (2006.01); C10N 50/10 (2006.01)

CPC (source: EP)

C10M 107/38 (2013.01); C10M 119/22 (2013.01); C10M 169/02 (2013.01); C10M 2211/06 (2013.01); C10M 2213/00 (2013.01); C10M 2213/02 (2013.01); C10M 2213/023 (2013.01); C10M 2213/04 (2013.01); C10M 2213/043 (2013.01); C10M 2213/06 (2013.01); C10M 2213/0606 (2013.01); C10M 2213/062 (2013.01); C10M 2213/0623 (2013.01)

Citation (search report)

Designated contracting state (EPC)

AT BE DE ES FR GB IT NL SE

DOCDB simple family (publication)

EP 0244838 A1 19871111; EP 0244838 B1 19920729; AT E78864 T1 19920815; CA 1285549 C 19910702; DE 3780695 D1 19920903; IT 1189486 B 19880204; IT 8620322 A0 19860506; IT 8620322 A1 19871106; JP S6322896 A 19880130

DOCDB simple family (application)

EP 87106528 A 19870506; AT 87106528 T 19870506; CA 536351 A 19870505; DE 3780695 T 19870506; IT 2032286 A 19860506; JP 10905787 A 19870506