Tianzhao Ai

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Kaifeng City, CN

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Patents Grantslast 30 patents

Information Patent Grant
Process for causticizing green liquor in chemical recovery from bla...
- Patent number 7,291,245
- Issue date Nov 6, 2007
- Tianzhao Ai
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

Patents Applicationslast 30 patents

Information Patent Application
Process of recovering alkali from black liquor of papermaking
- Publication number 20050199358
- Publication date Sep 15, 2005
- Tianzhao Ai
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...