Pingkai Ouyang

Person

Nanging, CN

People

Patents Grantslast 30 patents

Information Patent Grant
Preparation method of polyurethane foam
- Patent number 11,920,017
- Issue date Mar 5, 2024
- NANJING TECH UNIVERSITY
- Kai Guo
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Preparation method of flexible polyurethane foam
- Patent number 11,912,814
- Issue date Feb 27, 2024
- NANJING TECH UNIVERSITY
- Kai Guo
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Application of lignin in preparing radial tire
- Patent number 11,814,516
- Issue date Nov 14, 2023
- NANJING TECH UNIVERSITY
- Chenjie Zhu
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Preparation method for polyol and application of polyol in making p...
- Patent number 11,535,708
- Issue date Dec 27, 2022
- NANJING TECH UNIVERSITY
- Kai Guo
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Polyols for preparing flexible polyurethane foam, and preparation m...
- Patent number 11,214,584
- Issue date Jan 4, 2022
- NANJING TECH UNIVERSITY
- Kai Guo
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Recombinant corynebacterium glutamicum for producing lysine by biof...
- Patent number 11,118,171
- Issue date Sep 14, 2021
- NANJING TECH UNIVERSITY
- Hanjie Ying
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Grant
Method for producing lysine by utilizing adsorption and immobilized...
- Patent number 11,098,331
- Issue date Aug 24, 2021
- NANJING TECH UNIVERSITY
- Hanjie Ying
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Grant
Vegetable oil polyol and the preparation method and the application...
- Patent number 10,259,771
- Issue date Apr 16, 2019
- NANJING TECH UNIVERSITY
- Kai Guo
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
E-polylysine hydrogel and preparation method and application thereof
- Patent number 9,833,539
- Issue date Dec 5, 2017
- NANJING TECH UNIVERSITY
- Hong Xu
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Preparation method of 3,7,11-trimethyldodec-2,4,6,10-tetraene-1-yl-...
- Patent number 9,765,098
- Issue date Sep 19, 2017
- Nanjing University of Technology
- Chunlei Lv
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for preparing caprolactam by using a microreactor under lewi...
- Patent number 9,624,176
- Issue date Apr 18, 2017
- NANJING TECH UNIVERSITY
- Kai Guo
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for preparing high-quality epoxidized fatty acid ester with...
- Patent number 9,546,143
- Issue date Jan 17, 2017
- NANJING TECH UNIVERSITY
- Kai Guo
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for synthesizing 2,7-dimethyl-2,4,6-octatriene-1,8-dialdehyde
- Patent number 9,187,394
- Issue date Nov 17, 2015
- Nanjing University of Technology
- Chunlei LV
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Ring-opening polymerization of cyclic compounds catalyzed by carben...
- Patent number 9,040,653
- Issue date May 26, 2015
- Nanjing University of Technology
- Zhenjiang Li
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method of making polylactic acid using carbene derivatives as the c...
- Patent number 9,029,497
- Issue date May 12, 2015
- Nanjing University of Technology
- Zhenjiang Li
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Preparation method of lycopene intermediate 3-methyl-4,4-dialkoxy-1...
- Patent number 8,993,810
- Issue date Mar 31, 2015
- Nanjing University of Technology
- Chunlei LV
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Fructosylated mangiferin and preparation method therefor and use th...
- Patent number 8,946,407
- Issue date Feb 3, 2015
- Nanjing University of Technology
- Bingfang He
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Fructosylated puerarin, and preparation method and use thereof
- Patent number 8,598,128
- Issue date Dec 3, 2013
- Bingfang He
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Method of making polylactic acid and its products
- Patent number 8,241,545
- Issue date Aug 14, 2012
- Nanjing Universty of Technology
- Zhenjiang Li
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Catalytic activity accelerant used in petroleum hydrogenation
- Patent number 7,022,639
- Issue date Apr 4, 2006
- Nanjing University of Technology
- Jintang Wang
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...

Patents Applicationslast 30 patents

Information Patent Application
MODIFIED LIGNIN REINFORCED RUBBER AND PREPARATION METHOD THEREFOR
- Publication number 20230135725
- Publication date May 4, 2023
- NANJING TECH UNIVERSITY
- Chenjie ZHU
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
APPLICATION OF LIGNIN IN PREPARING RADIAL TIRE
- Publication number 20210332222
- Publication date Oct 28, 2021
- NANJING TECH UNIVERSITY
- Chenjie ZHU
- B60 - VEHICLES IN GENERAL
Information Patent Application
PREPARATION METHOD OF POLYURETHANE FOAM
- Publication number 20210230390
- Publication date Jul 29, 2021
- NANJING TECH UNIVERSITY
- Kai GUO
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
PREPARATION METHOD OF FLEXIBLE POLYURETHANE FOAM
- Publication number 20210230350
- Publication date Jul 29, 2021
- NANJING TECH UNIVERSITY
- Kai GUO
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
RECOMBINANT CORYNEBACTERIUM GLUTAMICUM FOR PRODUCING LYSINE BY BIOF...
- Publication number 20210155917
- Publication date May 27, 2021
- NANJING TECH UNIVERSITY
- Hanjie Ying
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Application
METHOD FOR PRODUCING LYSINE BY UTILIZING ADSORPTION AND IMMOBILIZED...
- Publication number 20210147887
- Publication date May 20, 2021
- NANJING TECH UNIVERSITY
- Hanjie Ying
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Application
Polyols for preparing flexible polyurethane foam, and Preparation M...
- Publication number 20210087211
- Publication date Mar 25, 2021
- NANJING TECH UNIVERSITY
- Kai GUO
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
POLYURETHANE POLYOL AND PREPARATION METHOD AND APPLICATION THEREOF
- Publication number 20200377656
- Publication date Dec 3, 2020
- NANJING TECH UNIVERSITY
- Kai GUO
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Vegetable Oil Polyol for Flexible Polyurethane Foam and Preparation...
- Publication number 20190119493
- Publication date Apr 25, 2019
- NANJING TECH UNIVERSITY
- Kai GUO
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Totally bio-based vegetable oil polyol and preparation method and u...
- Publication number 20190119496
- Publication date Apr 25, 2019
- NANJING TECH UNIVERSITY
- Kai GUO
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Polyurethane Polyol, and Preparation Method and Application Thereof
- Publication number 20190112475
- Publication date Apr 18, 2019
- NANJING TECH UNIVERSITY
- Kai GUO
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
A VEGETABLE OIL POLYOL AND THE PREPARATION METHOD AND THE APPLICATI...
- Publication number 20180222841
- Publication date Aug 9, 2018
- NANJING TECH UNIVERSITY
- Kai GUO
- C07 - ORGANIC CHEMISTRY
Information Patent Application
METHOD FOR PREPARING CAPROLACTAM BY USING A MICROREACTOR UNDER LEWI...
- Publication number 20170008850
- Publication date Jan 12, 2017
- NANJING TECH UNIVERSITY (CN)
- Kai Guo
- C07 - ORGANIC CHEMISTRY
Information Patent Application
E-POLYLYSINE HYDROGEL AND PREPARATION METHOD AND APPLICATION THEREOF
- Publication number 20170000924
- Publication date Jan 5, 2017
- NANJING TECH UNIVERSITY
- Hong Xu
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Application
METHOD FOR PREPARING HIGH-QUALITY EPOXIDIZED FATTY ACID ESTER WITH...
- Publication number 20160311789
- Publication date Oct 27, 2016
- NANJING TECH UNIVERSITY (CN)
- Kai Guo
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
METHOD FOR SYNTHESIZING 2,7-DIMETHYL-2,4,6-OCTATRIENE-1,8-DIALDEHYDE
- Publication number 20140378711
- Publication date Dec 25, 2014
- Chunlei Lv
- C07 - ORGANIC CHEMISTRY
Information Patent Application
PREPARATION METHOD OF 3,7,11- TRIMETHYLDODEC -2,4,6,10-TETRAENE-1-Y...
- Publication number 20140378709
- Publication date Dec 25, 2014
- Chunlei Lv
- C07 - ORGANIC CHEMISTRY
Information Patent Application
PREPARATION METHOD OF LYCOPENE INTERMEDIATE 3-METHYL-4,4-DIALKOXY-1...
- Publication number 20140357900
- Publication date Dec 4, 2014
- Chunlei Lv
- C07 - ORGANIC CHEMISTRY
Information Patent Application
FRUCTOSYLATED MANGIFERIN AND PREPARATION METHOD THEREFOR AND USE TH...
- Publication number 20140221643
- Publication date Aug 7, 2014
- NANJING UNIVERSITY OF TECHNOLOGY
- Bingfang He
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Application
FRUCTOSYLATED PUERARIN, AND PREPARATION METHOD AND USE THEREOF
- Publication number 20130190266
- Publication date Jul 25, 2013
- Bingfang He
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Application
METHOD OF MAKING POLYLACTIC ACID USING CARBENE DERIVATIVES AS THE C...
- Publication number 20110152493
- Publication date Jun 23, 2011
- Nanjing University of Technology
- Zhenjiang Li
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
METHOD OF MAKING POLYLACTIC ACID AND ITS PRODUCTS
- Publication number 20110140307
- Publication date Jun 16, 2011
- Nanjing University of Technology
- Zhenjiang Li
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
RING-OPENING POLYMERIZATION OF CYCLIC COMPOUNDS CATALYZED BY CARBEN...
- Publication number 20110144296
- Publication date Jun 16, 2011
- Nanjing University of Technology
- Zhenjiang Li
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Catalytic activity accelerant used in petroleum hydrogenation
- Publication number 20040029721
- Publication date Feb 12, 2004
- Jintang Wang
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Pingkai Ouyang

Person

Patents Grantslast 30 patents

Preparation method of polyurethane foam

Preparation method of flexible polyurethane foam

Application of lignin in preparing radial tire

Preparation method for polyol and application of polyol in making p...

Polyols for preparing flexible polyurethane foam, and preparation m...

Recombinant corynebacterium glutamicum for producing lysine by biof...

Method for producing lysine by utilizing adsorption and immobilized...

Vegetable oil polyol and the preparation method and the application...

E-polylysine hydrogel and preparation method and application thereof

Preparation method of 3,7,11-trimethyldodec-2,4,6,10-tetraene-1-yl-...

Method for preparing caprolactam by using a microreactor under lewi...

Method for preparing high-quality epoxidized fatty acid ester with...

Method for synthesizing 2,7-dimethyl-2,4,6-octatriene-1,8-dialdehyde

Ring-opening polymerization of cyclic compounds catalyzed by carben...

Method of making polylactic acid using carbene derivatives as the c...

Preparation method of lycopene intermediate 3-methyl-4,4-dialkoxy-1...

Fructosylated mangiferin and preparation method therefor and use th...

Fructosylated puerarin, and preparation method and use thereof

Method of making polylactic acid and its products

Catalytic activity accelerant used in petroleum hydrogenation

Patents Applicationslast 30 patents

MODIFIED LIGNIN REINFORCED RUBBER AND PREPARATION METHOD THEREFOR

APPLICATION OF LIGNIN IN PREPARING RADIAL TIRE

PREPARATION METHOD OF POLYURETHANE FOAM

PREPARATION METHOD OF FLEXIBLE POLYURETHANE FOAM

RECOMBINANT CORYNEBACTERIUM GLUTAMICUM FOR PRODUCING LYSINE BY BIOF...

METHOD FOR PRODUCING LYSINE BY UTILIZING ADSORPTION AND IMMOBILIZED...

Polyols for preparing flexible polyurethane foam, and Preparation M...

POLYURETHANE POLYOL AND PREPARATION METHOD AND APPLICATION THEREOF

Vegetable Oil Polyol for Flexible Polyurethane Foam and Preparation...

Totally bio-based vegetable oil polyol and preparation method and u...

Polyurethane Polyol, and Preparation Method and Application Thereof

A VEGETABLE OIL POLYOL AND THE PREPARATION METHOD AND THE APPLICATI...

METHOD FOR PREPARING CAPROLACTAM BY USING A MICROREACTOR UNDER LEWI...

E-POLYLYSINE HYDROGEL AND PREPARATION METHOD AND APPLICATION THEREOF

METHOD FOR PREPARING HIGH-QUALITY EPOXIDIZED FATTY ACID ESTER WITH...

METHOD FOR SYNTHESIZING 2,7-DIMETHYL-2,4,6-OCTATRIENE-1,8-DIALDEHYDE

PREPARATION METHOD OF 3,7,11- TRIMETHYLDODEC -2,4,6,10-TETRAENE-1-Y...

PREPARATION METHOD OF LYCOPENE INTERMEDIATE 3-METHYL-4,4-DIALKOXY-1...

FRUCTOSYLATED MANGIFERIN AND PREPARATION METHOD THEREFOR AND USE TH...

FRUCTOSYLATED PUERARIN, AND PREPARATION METHOD AND USE THEREOF

METHOD OF MAKING POLYLACTIC ACID USING CARBENE DERIVATIVES AS THE C...

METHOD OF MAKING POLYLACTIC ACID AND ITS PRODUCTS

RING-OPENING POLYMERIZATION OF CYCLIC COMPOUNDS CATALYZED BY CARBEN...

Catalytic activity accelerant used in petroleum hydrogenation