Asymmetrical polypyrrolidonyl compounds having a wide liquid range
US5326880A · kind A · utility
2Cited by
0References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 2, 1993 |
| Grant date | Jul 5, 1994 |
| Priority date | — |
| Expiry date | Mar 2, 2013 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D207/27
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
This invention relates to non-polymeric, asymmetrical, low freezing, high boiling, aliphatic compounds containing from 2 to 5 pyrrolidonyl rings and from 13 to 40 carbon atoms which melt below 0.degree. C. and which boil above 300.degree. C. at atmospheric pressure and to the synthesis and use of said liquid polypyrrolidonyl compounds.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.