Method for preventing or retarding the formation of gas hydrates
US6451892B1 · kind B1 · utility
11Cited by
5References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 13, 1999 |
| Grant date | Sep 17, 2002 |
| Priority date | — |
| Expiry date | Jul 13, 2019 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/0391
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A composition for preventing or retarding the formation of gas hydrates during the transport of a fluid comprising water and a hydrocarbon through a conduit. The composition is a homopolymer of vinyl caprolactam, or copolymers thereof, having a low molecular weight in the range of 500 to 2500, which is made in a polymerization solvent, preferably a glycol ether, most preferably 2-butoxyethanol and also including a carrier solvent, preferably monoethylene glycol.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.