Stuart P. T. Smith

Follow

Person

Kincardineshire, GB

People

Patents Grantslast 30 patents

Information Patent Grant
Use of selected ester oils in drilling fluids and muds
- Patent number RE36066
- Issue date Jan 26, 1999
- Henkel KGaA
- Heinz Mueller
- 507 - Earth boring, well treating, and oil field chemistry
Information Patent Grant
Drilling fluids and muds containing selected ester oils
- Patent number 5,252,554
- Issue date Oct 12, 1993
- Henkel Kommanditgesellschaft auf Aktien
- Heinz Mueller
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Use of selected ester oils in drilling fluids and muds
- Patent number 5,232,910
- Issue date Aug 3, 1993
- Henkel Kommanditgesellschaft auf Aktien
- Heinz Mueller
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...