D.V. Satyanaryana Gupta

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Calgary, CA

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Patents Grantslast 30 patents

Information Patent Grant
Surfactant based viscoelastic fluids
- Patent number 7,638,468
- Issue date Dec 29, 2009
- BJ Services Company
- D. V. Satyanarayana Gupta
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Method for fracturing subterranean formations
- Patent number 6,875,728
- Issue date Apr 5, 2005
- BJ Services Company Canada
- D. V. Satyanarayana Gupta
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Patents Applicationslast 30 patents

Information Patent Application
Method for fracturing subterranean formations
- Publication number 20030008781
- Publication date Jan 9, 2003
- D.V. Satyanaryana Gupta
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...