Yonghua Shang

Person

Yantai, CN

People

Patents Grantslast 30 patents

Information Patent Grant
1,3-bisisocyanatomethylcyclohexane composition and optical resin pr...
- Patent number 12,264,121
- Issue date Apr 1, 2025
- WANHUA CHEMICAL GROUP CO., LTD
- Fulin Zhu
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation method for polyurethane optical resin and applications...
- Patent number 12,024,582
- Issue date Jul 2, 2024
- WANHUA CHEMICAL GROUP CO., LTD.
- Jianfeng Li
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method for preparing isophorone diisocyanate
- Patent number 11,939,280
- Issue date Mar 26, 2024
- WANHUA CHEMICAL GROUP CO., LTD
- Yong Yu
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Method for preparing isocyanate in gaseous phase
- Patent number 11,814,339
- Issue date Nov 14, 2023
- WANHUA CHEMICAL GROUP CO., LTD
- Weiqi Hua
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Isocyanate polymerization catalyst, preparation method thereof, and...
- Patent number 11,111,332
- Issue date Sep 7, 2021
- Wanhua Chemical Group Co., Ltd.
- Wei Liu
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Imine-type quaternary ammonium salt catalyst, preparation method th...
- Patent number 11,059,772
- Issue date Jul 13, 2021
- Wanhua Chemical Group Co., Ltd.
- Nuancheng Wang
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Heater, use thereof and method for preparing isocyanate using heater
- Patent number 10,645,756
- Issue date May 5, 2020
- Wanhua Chemical Group Co., Ltd.
- Yong Yu
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method for preparing biuret polyisocyanate
- Patent number 9,701,624
- Issue date Jul 11, 2017
- Wanhua Chemical Group Co., Ltd.
- Bin Shi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Jet reactor with flow ducts and process for preparing isocyanates u...
- Patent number 8,206,652
- Issue date Jun 26, 2012
- Ningbo Wanhua Polyurethanes Co., Ltd.
- Yonghua Shang
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
ISOCYANURATE-CONTAINING POLYISOCYANATE COMPOSITION WITH STABLE CHRO...
- Publication number 20240034881
- Publication date Feb 1, 2024
- WANHUA CHEMICAL GROUP CO., LTD.
- Nuancheng WANG
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
POLYISOCYANATE COMPOSITION, PREPARATION METHOD THEREFOR AND APPLICA...
- Publication number 20230374194
- Publication date Nov 23, 2023
- WANHUA CHEMICAL GROUP CO., LTD.
- Yong YU
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
STORAGE-STABLE POLYISOCYANATE COMPOSITION AND PREPARATION METHOD TH...
- Publication number 20230272151
- Publication date Aug 31, 2023
- WANHUA CHEMICAL GROUP CO., LTD.
- Bin SHI
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
STORAGE-STABLE POLYISOCYANATE COMPOSITION AND PREPARATION METHOD
- Publication number 20230132686
- Publication date May 4, 2023
- WANHUA CHEMICAL GROUP CO., LTD.
- Zhicheng ZHU
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
1,3-BISISOCYANATOMETHYLCYCLOHEXANE COMPOSITION AND OPTICAL RESIN PR...
- Publication number 20220402865
- Publication date Dec 22, 2022
- WANHUA CHEMICAL GROUP CO., LTD.
- Fulin ZHU
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
ALIPHATIC POLYISOCYANATE COMPOSITION, PREPARATION METHOD THEREFOR,...
- Publication number 20220298293
- Publication date Sep 22, 2022
- WANHUA CHEMICAL GROUP CO., LTD.
- Lidong SUN
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
PREPARATION METHOD FOR POLYURETHANE OPTICAL RESIN AND APPLICATIONS...
- Publication number 20220227915
- Publication date Jul 21, 2022
- WANHUA CHEMICAL GROUP CO., LTD.
- Jianfeng LI
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
METHOD FOR PREPARING ISOCYANATE IN GASEOUS PHASE
- Publication number 20220024863
- Publication date Jan 27, 2022
- WANHUA CHEMICAL GROUP CO., LTD.
- Weiqi HUA
- C07 - ORGANIC CHEMISTRY
Information Patent Application
METHOD FOR PREPARING ISOPHORONE DIISOCYANATE
- Publication number 20220002235
- Publication date Jan 6, 2022
- WANHUA CHEMICAL GROUP CO., LTD.
- Yong YU
- C07 - ORGANIC CHEMISTRY
Information Patent Application
IMINE-TYPE QUATERNARY AMMONIUM SALT CATALYST, PREPARATION METHOD TH...
- Publication number 20200377445
- Publication date Dec 3, 2020
- WANHUA CHEMICAL GROUP CO., LTD.
- Nuancheng Wang
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Isocyanate Polymerization Catalyst, Preparation Method Thereof, And...
- Publication number 20200123300
- Publication date Apr 23, 2020
- WANHUA CHEMICAL GROUP CO., LTD.
- Wei Liu
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Heater, Use Thereof And Method For Preparing Isocyanate Using Heater
- Publication number 20170164424
- Publication date Jun 8, 2017
- WANHUA CHEMICAL GROUP CO., LTD.
- Yong Yu
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
Method For Preparing Biuret Polyisocyanate
- Publication number 20160311765
- Publication date Oct 27, 2016
- WANHUA CHEMICAL GROUP CO., LTD.
- Bin Shi
- C07 - ORGANIC CHEMISTRY
Information Patent Application
JET REACTOR WITH FLOW DUCTS AND PROCESS FOR PREPARING ISOCYANATES U...
- Publication number 20110124907
- Publication date May 26, 2011
- Yonghua Shang
- C07 - ORGANIC CHEMISTRY

Yonghua Shang

Person

Patents Grantslast 30 patents

1,3-bisisocyanatomethylcyclohexane composition and optical resin pr...

Preparation method for polyurethane optical resin and applications...

Method for preparing isophorone diisocyanate

Method for preparing isocyanate in gaseous phase

Isocyanate polymerization catalyst, preparation method thereof, and...

Imine-type quaternary ammonium salt catalyst, preparation method th...

Heater, use thereof and method for preparing isocyanate using heater

Method for preparing biuret polyisocyanate

Jet reactor with flow ducts and process for preparing isocyanates u...

Patents Applicationslast 30 patents

ISOCYANURATE-CONTAINING POLYISOCYANATE COMPOSITION WITH STABLE CHRO...

POLYISOCYANATE COMPOSITION, PREPARATION METHOD THEREFOR AND APPLICA...

STORAGE-STABLE POLYISOCYANATE COMPOSITION AND PREPARATION METHOD TH...

STORAGE-STABLE POLYISOCYANATE COMPOSITION AND PREPARATION METHOD

1,3-BISISOCYANATOMETHYLCYCLOHEXANE COMPOSITION AND OPTICAL RESIN PR...

ALIPHATIC POLYISOCYANATE COMPOSITION, PREPARATION METHOD THEREFOR,...

PREPARATION METHOD FOR POLYURETHANE OPTICAL RESIN AND APPLICATIONS...

METHOD FOR PREPARING ISOCYANATE IN GASEOUS PHASE

METHOD FOR PREPARING ISOPHORONE DIISOCYANATE

IMINE-TYPE QUATERNARY AMMONIUM SALT CATALYST, PREPARATION METHOD TH...

Isocyanate Polymerization Catalyst, Preparation Method Thereof, And...

Heater, Use Thereof And Method For Preparing Isocyanate Using Heater

Method For Preparing Biuret Polyisocyanate

JET REACTOR WITH FLOW DUCTS AND PROCESS FOR PREPARING ISOCYANATES U...