Compositions to mitigate coke formation in steam cracking of hydrocarbons
US8057707B2 · kind B2 · utility
5Cited by
32References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 13, 2009 |
| Grant date | Nov 15, 2011 |
| Priority date | — |
| Expiry date | Aug 25, 2029 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10G9/36
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The invention relates to a combination of compounds and a process using such combination useful for reducing or preventing coke formation in thermal cracking furnaces such as ethylene steam crackers. The combination is comprised of one or more compound of the formula R—Sx—R′ and one or more compound selected from the following group: R1R2CS3; R1R2C═CR3R4; RSH; R1SxR2; R1R2CH2; R1R2R3R4(C4S); and R1R2R3R4R5R6Si2O.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.