David K. Olsen

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Bartlesville, OK, US

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Patents Grantslast 30 patents

Information Patent Grant
Method for modifying the permeability of an underground formation
- Patent number 5,101,903
- Issue date Apr 7, 1992
- Akzo nv
- Feliciano M. Llave
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Oxidized alkali lignins and their use in enhanced oil recovery
- Patent number 4,611,659
- Issue date Sep 16, 1986
- Getty Oil Company
- Francis E. DeBons
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...