Crosslinking composition for hydrocarbon gels
US8993492B2 · kind B2 · utility
1Cited by
2References
14Claims
0Family size
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Key dates
| Filing date | Aug 14, 2012 |
| Grant date | Mar 31, 2015 |
| Priority date | — |
| Expiry date | Aug 23, 2033 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10L7/02
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A crosslinking composition for hydrocarbon gels containing phosphate ester gelling agents comprising a modified imidazoline or pyrimidine including an alkyl group (or unsaturated carbon chain) or of 10 to 22 carbon atoms, a polyamine, and ferric sulfate. The method of making the crosslinking agent features adding the polyamine after reaction of the other ingredients; unique gels formed with the crosslinking agent are particularly effective for LNG at very cold temperatures.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.