Songbing YAN

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Beijing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Ultra-high temperature resistant cement slurry system for cementing...
- Patent number 12,305,116
- Issue date May 20, 2025
- China National Petroleum Corporation
- Jianzhou Jin
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Patents Applicationslast 30 patents

Information Patent Application
ULTRA-HIGH TEMPERATURE RESISTANT CEMENT SLURRY SYSTEM FOR CEMENTING...
- Publication number 20240336828
- Publication date Oct 10, 2024
- CHINA NATIONAL PETROLEUM CORPORATION
- Jianzhou JIN
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...