Jianrong Zhang

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Shanghai, CN

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Patents Grantslast 30 patents

Information Patent Grant
Catalysts
- Patent number 10,144,005
- Issue date Dec 4, 2018
- Richard William Kemp
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation of bleaching catalysts
- Patent number 9,469,666
- Issue date Oct 18, 2016
- Catexel Limited
- Ronald Hage
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
1,2-bis-(4,7-dimethyl-1,4,7-triazacyclonon-1-yl)-ethane and interme...
- Patent number 8,907,082
- Issue date Dec 9, 2014
- Catexel Limited
- Ronald Hage
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
CATALYSTS
- Publication number 20190134619
- Publication date May 9, 2019
- Richard William Kemp
- C07 - ORGANIC CHEMISTRY
Information Patent Application
CATALYSTS
- Publication number 20140329665
- Publication date Nov 6, 2014
- Richard William Kemp
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
1,2-BIS-(4,7-DIMETHYL-1,4,7-TRIAZACYCLONON-1-YL)-ETHANE AND INTERME...
- Publication number 20130261297
- Publication date Oct 3, 2013
- CATEXEL LIMITED
- Ronald Hage
- C07 - ORGANIC CHEMISTRY
Information Patent Application
PREPARATION OF BLEACHING CATALYSTS
- Publication number 20130053554
- Publication date Feb 28, 2013
- CATEXEL LIMITED
- Ronald Hage
- C07 - ORGANIC CHEMISTRY