Guohua Xiu

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Shanghai, CN

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Patents Grantslast 30 patents

Information Patent Grant
Process for recovery and purification of nitrous oxide
- Patent number 10,464,813
- Issue date Nov 5, 2019
- VERSUM MATERIALS US, LLC
- Guohua Xiu
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for purifying PPPBP
- Patent number 7,884,220
- Issue date Feb 8, 2011
- General Electric Company
- Zhongqi Xu
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method of purification of dihydric phenols
- Patent number 7,528,210
- Issue date May 5, 2009
- SABIC Innovative Plastics IP B.V.
- Guohua Xiu
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
Process for Recovery and Purification of Nitrous Oxide
- Publication number 20140366576
- Publication date Dec 18, 2014
- Air Products and Chemicals, Inc.
- Guohua Xiu
- C01 - INORGANIC CHEMISTRY
Information Patent Application
REMOVAL OF CONTAMINANTS FROM WATER SYSTEMS
- Publication number 20120298588
- Publication date Nov 29, 2012
- Zhixiong Cha
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
PROCESS FOR PURIFYING PPPBP
- Publication number 20080234496
- Publication date Sep 25, 2008
- GENERAL ELECTRIC COMPANY
- Zhongqi Xu
- C07 - ORGANIC CHEMISTRY
Information Patent Application
METHOD OF PURIFICATION OF DIHYDRIC PHENOLS
- Publication number 20070232774
- Publication date Oct 4, 2007
- GENERAL ELECTRIC COMPANY
- Guohua Xiu
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...