1,3-Diaminomethyl-hydantoin additives for lubricating oils
US4189587A · kind A · utility
12Cited by
6References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 3, 1978 |
| Grant date | Feb 19, 1980 |
| Priority date | — |
| Expiry date | Apr 3, 1998 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10N2010/10
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Lubricating oil compositions, comprising as additive, from 0.001 to 10% by weight, based on the weight of the total composition, of a 1- or 3-aminomethyl-hydantoin or a 1,3-diaminomethyl-hydantoin.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.