Weifeng LI

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Nanjing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Cement grinding aids prepared with waste antifreeze
- Patent number 10,077,211
- Issue date Sep 18, 2018
- NANJING TECH UNIVERSITY
- Weifeng Li
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Chemical additive for calcium sulphoaluminate-modified portland cement
- Patent number 9,868,674
- Issue date Jan 16, 2018
- NANJING TECH UNIVERSITY
- Weifeng Li
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES

Patents Applicationslast 30 patents

Information Patent Application
CEMENT GRINDING AIDS PREPARED WITH WASTE ANTIFREEZE
- Publication number 20180141863
- Publication date May 24, 2018
- NANJING TECH UNIVERSITY
- Weifeng LI
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Application
CHEMICAL ADDITIVE FOR CALCIUM SULPHOALUMINATE-MODIFIED PORTLAND CEMENT
- Publication number 20170267593
- Publication date Sep 21, 2017
- NANJING TECH UNIVERSITY
- Weifeng LI
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES