Biological culture containing Rhodococcus erythropolis erythropolis and/or Rhodococcus rhodnii and process for desulfurization of petroleum fraction
US6337204B1 · kind B1 · utility
6Cited by
2References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 19, 2000 |
| Grant date | Jan 8, 2002 |
| Priority date | — |
| Expiry date | Jun 19, 2020 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC12R2001/01
- WIPO fieldBiotechnology
- WIPO sectorChemistry
Abstract
This invention relates to a biological culture comprising at least one bacterial strain that is selected from the group that is formed byRhodococcus erythropolis CNCM I-2204Rhodococcus erythropolis CNCM I-2205Rhodococcus erythropolis CNCM I-2207Rhodococcus erythropolis CNCM I-2208Rhodococcus rhodnii CNCM I-2206able to selectively attack the C—S bonds of organic molecules present in hydrocarbons without substantially altering their carbon structure, and having improved stability.The invention also relates to a process for desulfurization of a hydrocarbon feedstock containing sulfur-containing organic molecules.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.