Hongke Zhang

Person

Yantai, CN

People

Patents Grantslast 30 patents

Information Patent Grant
Method for treating production wastewater from the preparation of p...
- Patent number 11,746,033
- Issue date Sep 5, 2023
- WANHUA CHEMICAL GROUP CO., LTD
- Zhenlong Fan
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Catalyst for catalytic oxidation treatment of organic wastewater, p...
- Patent number 11,059,033
- Issue date Jul 13, 2021
- Wanhua Chemical Group Co., Ltd.
- Bo Zhou
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Light colored modified isocyanate mixture and preparation method th...
- Patent number 11,034,651
- Issue date Jun 15, 2021
- Wanhua Chemical Group Co., Ltd.
- Ye Zhou
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Catalyst for preparing chlorine gas by hydrogen chloride oxidation,...
- Patent number 11,000,837
- Issue date May 11, 2021
- Wanhua Chemical Group Co., Ltd.
- Hongke Zhang
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Method for treating reverse osmosis concentrated water
- Patent number 10,696,574
- Issue date Jun 30, 2020
- Wanhua Chemical Group Co., Ltd.
- Hongke Zhang
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Method for preparing catalyst used for preparing chlorine, catalyst...
- Patent number 10,226,758
- Issue date Mar 12, 2019
- Wanhua Chemical Group Co., Ltd.
- Yinchuan Lou
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method for replacement of phosgene synthesis column catalyst
- Patent number 10,046,289
- Issue date Aug 14, 2018
- WANHUA CHEMICAL GROUP CO., LTD
- Hongke Zhang
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Solvent refining method for isocyanate prepared by phosgene method...
- Patent number 9,840,462
- Issue date Dec 12, 2017
- Wanhua Chemical Group Co., Ltd.
- Hongke Zhang
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for treating waste saline water produced in production proce...
- Patent number 9,802,848
- Issue date Oct 31, 2017
- Wanhua Chemical (Ningbo) Co., Ltd.
- Hongke Zhang
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method for preparing branched polycarbonate with continuous two-pha...
- Patent number 9,683,078
- Issue date Jun 20, 2017
- Wanhua Chemical Group Co., Ltd.
- Lei Zhang
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Catalyst for preparing phosgene and method for preparing phosgene u...
- Patent number 9,399,582
- Issue date Jul 26, 2016
- Wanhua Chemical (Ningbo) Co., Ltd.
- Bin Chen
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Polycarbonate preparation method
- Patent number 9,062,154
- Issue date Jun 23, 2015
- Wanhua Chemical Group Co., Ltd.
- Lei Zhang
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method of preparing polymethylene-polyphenyl-polyamine
- Patent number 7,893,301
- Issue date Feb 22, 2011
- Ningbo Wanhua Polyurethanes Co., Ltd.
- Jiansheng Ding
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR TREATING PRODUCTION WASTEWATER FROM THE PREPARATION OF P...
- Publication number 20220306506
- Publication date Sep 29, 2022
- WANHUA CHEMICAL GROUP CO., LTD.
- Zhenlong FAN
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
CATALYST FOR PREPARING PHOSGENE AND PREPARATION METHOD THEREFOR, AN...
- Publication number 20220266237
- Publication date Aug 25, 2022
- Wanhua Chemical (Ningbo) Co., Ltd.
- Chao DONG
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
A Light Colored Modified Isocyanate Mixture And Preparation Method...
- Publication number 20200283375
- Publication date Sep 10, 2020
- WANHUA CHEMICAL GROUP CO., LTD.
- Ye Zhou
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Catalyst For Preparing Chlorine Gas By Hydrogen Chloride Oxidation,...
- Publication number 20190291087
- Publication date Sep 26, 2019
- WANHUA CHEMICAL GROUP CO., LTD.
- Hongke Zhang
- C01 - INORGANIC CHEMISTRY
Information Patent Application
Method For Treating Reverse Osmosis Concentrated Water
- Publication number 20190202724
- Publication date Jul 4, 2019
- WANHUA CHEMICAL GROUP CO., LTD.
- Hongke Zhang
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Catalyst For Catalytic Oxidation Treatment Of Organic Wastewater, P...
- Publication number 20190193059
- Publication date Jun 27, 2019
- WANHUA CHEMICAL GROUP CO., LTD.
- Bo Zhou
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
METHOD FOR REPLACEMENT OF PHOSGENE SYNTHESIS COLUMN CATALYST
- Publication number 20170348661
- Publication date Dec 7, 2017
- WANHUA CHEMICAL GROUP CO., LTD.
- Hongke ZHANG
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
SOLVENT REFINING METHOD FOR ISOCYANATE PREPARED BY PHOSGENE METHOD...
- Publication number 20170022152
- Publication date Jan 26, 2017
- WANHUA CHEMICAL GROUP CO., LTD.
- Hongke Zhang
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
METHOD FOR PREPARING CATALYST USED FOR PREPARING CHLORINE, CATALYST...
- Publication number 20170001178
- Publication date Jan 5, 2017
- WANHUA CHEMICAL GROUP CO., LTD.
- Yinchuan Lou
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
METHOD FOR PREPARING BRANCHED POLYCARBONATE WITH CONTINUOUS TWO-PHA...
- Publication number 20160200864
- Publication date Jul 14, 2016
- WANHUA CHEMICAL GROUP CO., LTD.
- Lei Zhang
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
CATALYST FOR PREPARING PHOSGENE AND METHOD FOR PREPARING PHOSGENE U...
- Publication number 20160137511
- Publication date May 19, 2016
- WANHUA CHEMICAL GROUP CO., LTD.
- Bin CHEN
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
POLYCARBONATE PREPARATION METHOD
- Publication number 20140350198
- Publication date Nov 27, 2014
- WANHUA CHEMICAL GROUP CO., LTD.
- Lei Zhang
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
METHOD FOR TREATING WASTE SALINE WATER PRODUCED IN PRODUCTION PROCE...
- Publication number 20120168375
- Publication date Jul 5, 2012
- Beijing University of Chemical Technology
- Hongke Zhang
- C01 - INORGANIC CHEMISTRY
Information Patent Application
Method of preparing polymethylene-polyphenyl-polyamine
- Publication number 20080249261
- Publication date Oct 9, 2008
- Jiansheng Ding
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Hongke Zhang

Person

Patents Grantslast 30 patents

Method for treating production wastewater from the preparation of p...

Catalyst for catalytic oxidation treatment of organic wastewater, p...

Light colored modified isocyanate mixture and preparation method th...

Catalyst for preparing chlorine gas by hydrogen chloride oxidation,...

Method for treating reverse osmosis concentrated water

Method for preparing catalyst used for preparing chlorine, catalyst...

Method for replacement of phosgene synthesis column catalyst

Solvent refining method for isocyanate prepared by phosgene method...

Method for treating waste saline water produced in production proce...

Method for preparing branched polycarbonate with continuous two-pha...

Catalyst for preparing phosgene and method for preparing phosgene u...

Polycarbonate preparation method

Method of preparing polymethylene-polyphenyl-polyamine

Patents Applicationslast 30 patents

METHOD FOR TREATING PRODUCTION WASTEWATER FROM THE PREPARATION OF P...

CATALYST FOR PREPARING PHOSGENE AND PREPARATION METHOD THEREFOR, AN...

A Light Colored Modified Isocyanate Mixture And Preparation Method...

Catalyst For Preparing Chlorine Gas By Hydrogen Chloride Oxidation,...

Method For Treating Reverse Osmosis Concentrated Water

Catalyst For Catalytic Oxidation Treatment Of Organic Wastewater, P...

METHOD FOR REPLACEMENT OF PHOSGENE SYNTHESIS COLUMN CATALYST

SOLVENT REFINING METHOD FOR ISOCYANATE PREPARED BY PHOSGENE METHOD...

METHOD FOR PREPARING CATALYST USED FOR PREPARING CHLORINE, CATALYST...

METHOD FOR PREPARING BRANCHED POLYCARBONATE WITH CONTINUOUS TWO-PHA...

CATALYST FOR PREPARING PHOSGENE AND METHOD FOR PREPARING PHOSGENE U...

POLYCARBONATE PREPARATION METHOD

METHOD FOR TREATING WASTE SALINE WATER PRODUCED IN PRODUCTION PROCE...

Method of preparing polymethylene-polyphenyl-polyamine