Process for enzyme pretreatment of drill cuttings
US5725771A · kind A · utility
2Cited by
5References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 15, 1996 |
| Grant date | Mar 10, 1998 |
| Priority date | — |
| Expiry date | Apr 15, 2016 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S507/936
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
Process for the treatment of drilling muds recovered at the surface of the ground, especially synthetic muds, characterized in that it comprises at least one stage of hydrolysis of said mud by means of a lipase.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.