Patent · US Expired

Lubricating oil preparations

US4652386A · kind A · utility

23Cited by

8References

3Claims

0Family size

Assignee

BAYER HEALTHCARE LLC · DE

Inventors

Heinrich Alberts
Siegfried Kussi · Leverkusen, DE
Wolfgang Grape · Cologne, DE
Ottfried Schlak · Cologne, DE

Key dates

Filing date	Sep 13, 1985
Grant date	Mar 24, 1987
Priority date	—
Expiry date	Sep 13, 2005

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC10N2020/01
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

Organopolysiloxanes of the formula ##STR1## in which R is an alkyl radical having 6 to 18 C atoms, PA0 R' is an alkyl radical having 1 to 7 C atoms or the phenyl radical, PA0 a and b each independently is an integer from 1 to 500, the ratio of b:a being at least 2, are miscible with mineral oil and synthetic lubricating oils and have a pour point below -15.degree. C.

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