Non-carcinogenic light lubricants and a process for producing same
US4990238A · kind A · utility
2Cited by
12References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 29, 1989 |
| Grant date | Feb 5, 1991 |
| Priority date | — |
| Expiry date | Dec 29, 2009 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10M2203/1085
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A substantially non-carcinogenic light lubricant and a process for its production. The process comprises the step of blending an effective amount of a substantially non-tumorigenic vacuum distilled hydrocarbon oil of luricating viscosity with a tumorigenic atmospheric distilled light hydrocarbon oil, the tumorigenic light hydrocarbon oil having an initial boiling point of at least 250.degree. F., wherein the resultant blend is substantially non-carcinogenic and of lubricating viscosity.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.