Membership
Tour
Register
Log in
Pierre Mountetou
Follow
Person
Jurancon, FR
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Treatment of aqueous drilling mud effluents containing lignosulfonates
Patent number
5,120,449
Issue date
Jun 9, 1992
Societe Nationale Elf Aquitaine (Production)
Michel Guillerme
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE