Lubricant oil for refrigerators
USRE34914E · kind E · reissue
Assignee
Inventors
Key dates
| Filing date | Dec 2, 1993 |
| Grant date | Apr 25, 1995 |
| Priority date | — |
| Expiry date | Dec 2, 2013 |
Classification
- Technology area (CPC —)General
Abstract
A lubricant oil for refrigerators, industrial gears, automotive engines, automotive gear oil, fibers and as a rolling lubricant oil, comprising a glycol ether carbonate represented by the general formula [I] ##STR1## wherein R.sub.1 and R.sub.2 are each independently an aliphatic group, an alicyclic group, an aromatic group and an aromatic-substituted aliphatic group each having not greater than 20 carbon atoms. R.sub.3 and R.sub.4 are each independently an ethylene group or an isopropylene group, and m and n are each independently an integer of 2 to 100, and optionally containing ozone layer-nondestructive Freon such as Freon R-134a.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.