Amine salts of thio-bis-lactone acids in combination with coadditive hydrocarbons are flow improvers for middle distillate fuel oils
US4142866A · kind A · utility
1Cited by
3References
7Claims
0Family size
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Key dates
| Filing date | Feb 6, 1978 |
| Grant date | Mar 6, 1979 |
| Priority date | — |
| Expiry date | Feb 6, 1998 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10L1/2418
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Secondary amine salts of oil-soluble thio-bis-(C.sub.12-50 alkyl lactone acid), e.g. a di-tallow secondary amine bis salt of thio-bis (C.sub.22 lactone carboxylic acid), are useful in combination with a coadditive hydrocarbon such as an amorphous hydrocarbon or a hydrogenated polybutadiene in improving the cold flow properties of distillate hydrocarbon oils.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.