Zhirong Chen

Person

Hangzhou, CN

People

Patents Grantslast 30 patents

Information Patent Grant
Use of a multidentate phosphite ligand in the catalytic synthesis o...
- Patent number 12,331,007
- Issue date Jun 17, 2025
- Zhejiang Nhu Co., Ltd.
- Zhirong Chen
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Method for preparing sodium taurate as taurine intermediate, and me...
- Patent number 12,275,692
- Issue date Apr 15, 2025
- ZHEJIANG NHU COMPANY LTD.
- Zhirong Chen
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Semi-aromatic polyamide resin and preparation method therefor
- Patent number 12,168,717
- Issue date Dec 17, 2024
- Zhejiang Nhu Special Materials Co., Ltd.
- Zhirong Chen
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Vitamin and carotenoid powder and its preparation method and applic...
- Patent number 11,632,970
- Issue date Apr 25, 2023
- ZHEJIANG NHU COMPANY LTD.
- Jiandong Li
- A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information Patent Grant
Preparation method of polyphenylene sulfide resin, and polyphenylen...
- Patent number 11,440,996
- Issue date Sep 13, 2022
- ZHEJIANG NHU CO., LTD.
- Woyuan Li
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Synthesis method for highly selective 2-methylallyl chloride and sy...
- Patent number 11,407,698
- Issue date Aug 9, 2022
- Zhejiang University
- Hong Yin
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Method for preparing 2-methylallyl chloride from 1,2-dichloroisobutane
- Patent number 11,319,267
- Issue date May 3, 2022
- Zhejiang University
- Zhirong Chen
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation method for 4-phenylthio-benzenethiol
- Patent number 11,220,478
- Issue date Jan 11, 2022
- ZHEJIANG NHU COMPANY LTD.
- Zhirong Chen
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method for preparing isophorone diamine by means of hydrogenation r...
- Patent number 11,180,440
- Issue date Nov 23, 2021
- ZHEJIANG NHU COMPANY LTD.
- Zhirong Chen
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method and device for preparing 2-hydroxy-4-methylthiobutyric acid...
- Patent number 11,130,732
- Issue date Sep 28, 2021
- ZHEJIANG NHU CO., LTD.
- Zhirong Chen
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Production method of semi-aromatic polyamide, and semi-aromatic pol...
- Patent number 10,844,171
- Issue date Nov 24, 2020
- Zhejiang Nhu Special Materials Co., Ltd.
- Zhirong Chen
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
PdIn alloy catalyst, method for manufacturing PdIn alloy catalyst a...
- Patent number 10,737,250
- Issue date Aug 11, 2020
- ZHEJIANG NHU COMPANY LTD.
- Yong Wang
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Composite catalyst, method for manufacturing composite catalyst and...
- Patent number 10,668,460
- Issue date Jun 2, 2020
- ZHEJIANG NHD COMPANY LTD.
- Yong Wang
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for continuous preparation of high bulk density methionine c...
- Patent number 10,293,273
- Issue date May 21, 2019
- Shandong Nhu Amino Acid Co. Ltd.
- Zhirong Chen
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for preparing oil-dispersible carotenoid preparation
- Patent number 10,212,957
- Issue date Feb 26, 2019
- Zhejiang University
- Dan Qiu
- A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information Patent Grant
Method for preparing optically active carbonyl compound
- Patent number 10,065,901
- Issue date Sep 4, 2018
- ZHEJIANG NHU COMPANY LTD.
- Yougui Zhou
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Fiber grade polyphenylene sulfide resin synthesis method
- Patent number 9,567,440
- Issue date Feb 14, 2017
- ZHEJIANG NHU SPECIAL MATERIALS CO., LTD.
- Zhirong Chen
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Clean method for preparing D,L-methionine
- Patent number 9,206,120
- Issue date Dec 8, 2015
- ZHEJIANG NHU COMPANY LTD.
- Zhirong Chen
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for preparing stable-type vitamin A microcapsules continuously
- Patent number 9,173,818
- Issue date Nov 3, 2015
- ZHEJIANG NHU COMPANY LTD
- Hong Yin
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Method of preparing nano-dispersed high-all-trans-carotenoid microc...
- Patent number 8,540,908
- Issue date Sep 24, 2013
- Zhejiang NHU Company Ltd.
- Zhirong Chen
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
Use of a Multidentate Phosphite Ligand in the Catalytic Synthesis o...
- Publication number 20240336560
- Publication date Oct 10, 2024
- ZHEJIANG UNIVERSITY
- Zhirong Chen
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
COENZYME Q10 MICROEMULSION, PREPARATION METHOD THEREFOR AND USE THE...
- Publication number 20240016763
- Publication date Jan 18, 2024
- ZHEJIANG NHU CO., LTD.
- Xiaoyong ZHU
- A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information Patent Application
Porous Polymer and Method for Preparing the Same, Catalyst, and Met...
- Publication number 20230094350
- Publication date Mar 30, 2023
- ZHEJIANG UNIVERSITY
- Zhirong Chen
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
STABLE CAROTENOID MICROCAPSULE HAVING HIGH BIOAVAILABILITY AND PREP...
- Publication number 20230063291
- Publication date Mar 2, 2023
- ZHEJIANG NHU COMPANY LTD.
- Jiandong LI
- A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information Patent Application
METHOD AND DEVICE FOR PREPARING ADIPONITRILE
- Publication number 20230035875
- Publication date Feb 2, 2023
- ZHEJIANG NHU COMPANY LTD.
- Zhirong CHEN
- C07 - ORGANIC CHEMISTRY
Information Patent Application
ADDITIVE USED IN METHIONINE PREPARATION PROCESS, AND METHIONINE PRE...
- Publication number 20230022196
- Publication date Jan 26, 2023
- ZHEJIANG NHU CO., LTD.
- Zhirong CHEN
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Application
High Molecular Weight Polyphenylene Sulfide Resin, Preparation Meth...
- Publication number 20230019023
- Publication date Jan 19, 2023
- ZHEJIANG NHU CO., LTD.
- Zhirong CHEN
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
METHOD FOR PREPARING SODIUM TAURATE AS TAURINE INTERMEDIATE, AND ME...
- Publication number 20220081394
- Publication date Mar 17, 2022
- ZHEJIANG NHU COMPANY LTD.
- Zhirong CHEN
- C07 - ORGANIC CHEMISTRY
Information Patent Application
HYDROFORMYLATION CATALYST, PREPARATION METHOD THEREFOR AND USE THEREOF
- Publication number 20220080400
- Publication date Mar 17, 2022
- ZHEJIANG NHU COMPANY LTD.
- Yong WANG
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
SEMI-AROMATIC POLYAMIDE RESIN AND PREPARATION METHOD THEREFOR
- Publication number 20220025120
- Publication date Jan 27, 2022
- Zhejiang University
- Zhirong Chen
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
METHOD FOR PREPARING 2-METHYLALLYL CHLORIDE FROM 1,2-DICHLOROTERT-B...
- Publication number 20210363076
- Publication date Nov 25, 2021
- ZHEJIANG UNIVERSITY
- Zhirong CHEN
- C07 - ORGANIC CHEMISTRY
Information Patent Application
RECOMBINANT MICROORGANISM, PREPARATION METHOD THEREFOR AND APPLICAT...
- Publication number 20210324391
- Publication date Oct 21, 2021
- ZHEJIANG NHU COMPANY LTD.
- Hongwei Yu
- C07 - ORGANIC CHEMISTRY
Information Patent Application
SYNTHESIS METHOD FOR HIGHLY SELECTIVE 2-METHYLALLYL CHLORIDE AND SY...
- Publication number 20210179520
- Publication date Jun 17, 2021
- ZHEJIANG UNIVERSITY
- Hong YIN
- C07 - ORGANIC CHEMISTRY
Information Patent Application
VITAMIN AND CAROTENOID POWDER AND ITS PREPARATION METHOD AND APPLIC...
- Publication number 20210161175
- Publication date Jun 3, 2021
- ZHEJIANG NHU COMPANY LTD.
- JIANDONG LI
- A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information Patent Application
METHOD AND DEVICE FOR PREPARING 2-HYDROXY-4-METHYLTHIOBUTYRIC ACID...
- Publication number 20210147350
- Publication date May 20, 2021
- ZHEJIANG NHU COMPANY LTD.
- Zhirong Chen
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
METHOD FOR PREPARING ISOPHORONE DIAMINE BY MEANS OF HYDROGENATION R...
- Publication number 20210087133
- Publication date Mar 25, 2021
- ZHEJIANG NHU COMPANY LTD.
- Zhirong CHEN
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
High Molecular Weight Polyphenylene Sulfide Resin, Preparation Meth...
- Publication number 20210047471
- Publication date Feb 18, 2021
- ZHEJIANG NHU CO., LTD.
- Zhirong CHEN
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
PREPARATION METHOD FOR 4-PHENYLTHIO-BENZENETHIOL
- Publication number 20210009514
- Publication date Jan 14, 2021
- ZHEJIANG NHU COMPANY LTD.
- Zhirong CHEN
- C07 - ORGANIC CHEMISTRY
Information Patent Application
PREPARATION METHOD OF POLYPHENYLENE SULFIDE RESIN, AND POLYPHENYLEN...
- Publication number 20200347186
- Publication date Nov 5, 2020
- ZHEJIANG NHU COMPANY LTD.
- Woyuan LI
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
PdIn Alloy Catalyst, Method for Manufacturing PdIn Alloy Catalyst a...
- Publication number 20200070132
- Publication date Mar 5, 2020
- ZHEJIANG NHU COMPANY LTD.
- Yong WANG
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Composite Catalyst, Method for Manufacturing Composite Catalyst and...
- Publication number 20200070138
- Publication date Mar 5, 2020
- ZHEJIANG NHU COMPANY LTD.
- Yong WANG
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Production Method of Semi-Aromatic Polyamide, and Semi-Aromatic Pol...
- Publication number 20200055985
- Publication date Feb 20, 2020
- ZHEJIANG NHU SPECIAL MATERIALS CO., LTD.
- Zhirong Chen
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
FAT-SOLUBLE NUTRIENT MICROCAPSULE AND PREPARATION METHOD THEREOF
- Publication number 20200029596
- Publication date Jan 30, 2020
- ZHEJIANG NHU COMPANY LTD.
- JIANDONG LI
- A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information Patent Application
A METHOD FOR PREPARING LUTEIN FEED ADDITIVE
- Publication number 20180184689
- Publication date Jul 5, 2018
- NINGBO UNIVERSITY OF TECHNOLOGY
- DAN QIU
- C07 - ORGANIC CHEMISTRY
Information Patent Application
A METHOD FOR PREPARING OPTICALLY ACTIVE CARBONYL COMPOUND
- Publication number 20180105477
- Publication date Apr 19, 2018
- ZHEJIANG NHU COMPANY LTD.
- YOUGUI ZHOU
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
METHOD FOR CONTINUOUS PREPARATION OF HIGH BULK DENSITY METHIONINE C...
- Publication number 20180043281
- Publication date Feb 15, 2018
- Shandong Nhu Amino Acid Co., Ltd.
- Zhirong Chen
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
METHOD FOR PREPARING OIL-DISPERSIBLE CAROTENOID PREPARATION
- Publication number 20160374375
- Publication date Dec 29, 2016
- DAN QIU
- A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information Patent Application
A FIBER-GRADE POLYPHENYLENE SULFIDE RESIN SYNTHESIS METHOD
- Publication number 20150344632
- Publication date Dec 3, 2015
- ZHEJIANG NGU SPECIAL MATERIALS CO., LTD.
- ZHIRONG CHEN
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
CLEAN METHOD FOR PREPARING D,L-METHIONINE
- Publication number 20150284323
- Publication date Oct 8, 2015
- ZHEJIANG NHU COMPANY LTD.
- Zhirong Chen
- C07 - ORGANIC CHEMISTRY
Information Patent Application
METHOD FOR PREPARING STABLE-TYPE VITAMIN A MICROCAPSULES CONTINUOUSLY
- Publication number 20140001662
- Publication date Jan 2, 2014
- ZHEJIANG NHU COMPANY LTD
- Hong Yin
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Zhirong Chen

Person

Patents Grantslast 30 patents

Use of a multidentate phosphite ligand in the catalytic synthesis o...

Method for preparing sodium taurate as taurine intermediate, and me...

Semi-aromatic polyamide resin and preparation method therefor

Vitamin and carotenoid powder and its preparation method and applic...

Preparation method of polyphenylene sulfide resin, and polyphenylen...

Synthesis method for highly selective 2-methylallyl chloride and sy...

Method for preparing 2-methylallyl chloride from 1,2-dichloroisobutane

Preparation method for 4-phenylthio-benzenethiol

Method for preparing isophorone diamine by means of hydrogenation r...

Method and device for preparing 2-hydroxy-4-methylthiobutyric acid...

Production method of semi-aromatic polyamide, and semi-aromatic pol...

PdIn alloy catalyst, method for manufacturing PdIn alloy catalyst a...

Composite catalyst, method for manufacturing composite catalyst and...

Method for continuous preparation of high bulk density methionine c...

Method for preparing oil-dispersible carotenoid preparation

Method for preparing optically active carbonyl compound

Fiber grade polyphenylene sulfide resin synthesis method

Clean method for preparing D,L-methionine

Method for preparing stable-type vitamin A microcapsules continuously

Method of preparing nano-dispersed high-all-trans-carotenoid microc...

Patents Applicationslast 30 patents

Use of a Multidentate Phosphite Ligand in the Catalytic Synthesis o...

COENZYME Q10 MICROEMULSION, PREPARATION METHOD THEREFOR AND USE THE...

Porous Polymer and Method for Preparing the Same, Catalyst, and Met...

STABLE CAROTENOID MICROCAPSULE HAVING HIGH BIOAVAILABILITY AND PREP...

METHOD AND DEVICE FOR PREPARING ADIPONITRILE

ADDITIVE USED IN METHIONINE PREPARATION PROCESS, AND METHIONINE PRE...

High Molecular Weight Polyphenylene Sulfide Resin, Preparation Meth...

METHOD FOR PREPARING SODIUM TAURATE AS TAURINE INTERMEDIATE, AND ME...

HYDROFORMYLATION CATALYST, PREPARATION METHOD THEREFOR AND USE THEREOF

SEMI-AROMATIC POLYAMIDE RESIN AND PREPARATION METHOD THEREFOR

METHOD FOR PREPARING 2-METHYLALLYL CHLORIDE FROM 1,2-DICHLOROTERT-B...

RECOMBINANT MICROORGANISM, PREPARATION METHOD THEREFOR AND APPLICAT...

SYNTHESIS METHOD FOR HIGHLY SELECTIVE 2-METHYLALLYL CHLORIDE AND SY...

VITAMIN AND CAROTENOID POWDER AND ITS PREPARATION METHOD AND APPLIC...

METHOD AND DEVICE FOR PREPARING 2-HYDROXY-4-METHYLTHIOBUTYRIC ACID...

METHOD FOR PREPARING ISOPHORONE DIAMINE BY MEANS OF HYDROGENATION R...

High Molecular Weight Polyphenylene Sulfide Resin, Preparation Meth...

PREPARATION METHOD FOR 4-PHENYLTHIO-BENZENETHIOL

PREPARATION METHOD OF POLYPHENYLENE SULFIDE RESIN, AND POLYPHENYLEN...

PdIn Alloy Catalyst, Method for Manufacturing PdIn Alloy Catalyst a...

Composite Catalyst, Method for Manufacturing Composite Catalyst and...

Production Method of Semi-Aromatic Polyamide, and Semi-Aromatic Pol...

FAT-SOLUBLE NUTRIENT MICROCAPSULE AND PREPARATION METHOD THEREOF

A METHOD FOR PREPARING LUTEIN FEED ADDITIVE

A METHOD FOR PREPARING OPTICALLY ACTIVE CARBONYL COMPOUND

METHOD FOR CONTINUOUS PREPARATION OF HIGH BULK DENSITY METHIONINE C...

METHOD FOR PREPARING OIL-DISPERSIBLE CAROTENOID PREPARATION

A FIBER-GRADE POLYPHENYLENE SULFIDE RESIN SYNTHESIS METHOD

CLEAN METHOD FOR PREPARING D,L-METHIONINE

METHOD FOR PREPARING STABLE-TYPE VITAMIN A MICROCAPSULES CONTINUOUSLY