Shengjun Bai

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Beijing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Multi-branched mannich base corrosion inhibitor and preparation met...
- Patent number 9,493,399
- Issue date Nov 15, 2016
- PetroChina Company Limited
- Ling Ma
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

Patents Applicationslast 30 patents

Information Patent Application
A MULTI-BRANCHED MANNICH BASE CORROSION INHIBITOR AND PREPARATION M...
- Publication number 20140296575
- Publication date Oct 2, 2014
- Petrochina Company Limited
- Ling Ma
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...