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Midori Hirai
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Kawasaki-shi, JP
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last 30 patents
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Patent Grant
Purification method of polyethylene glycol having one carboxyl group
Patent number
10,752,732
Issue date
Aug 25, 2020
NOF Corporation
Midori Hirai
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Multi-arm polyethylene glycol derivative, intermediate thereof, and...
Patent number
9,908,971
Issue date
Mar 6, 2018
NOF Corporation
Hiroki Yoshioka
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method for purifying polyethylene glycol having one amino group
Patent number
9,458,292
Issue date
Oct 4, 2016
NOF Corporation
Hiroki Yoshioka
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Multi-arm polyethylene glycol derivative, intermediate thereof, and...
Patent number
9,428,609
Issue date
Aug 30, 2016
NOF Corporation
Hiroki Yoshioka
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Patents Applications
last 30 patents
Information
Patent Application
METHOD FOR PURIFYING POLYETHYLENE GLYCOL COMPOUND
Publication number
20230050758
Publication date
Feb 16, 2023
NOF Corporation
Ryo KAWAHARA
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
METHOD FOR PURIFYING BRANCHED POLYETHYLENE GLYCOL
Publication number
20220363824
Publication date
Nov 17, 2022
NOF Corporation
Midori HIRAI
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
CONJUGATE OF BIO-RELATED SUBSTANCE AND BLOCK POLYMER, AND BLOCK POL...
Publication number
20220185969
Publication date
Jun 16, 2022
NOF Corporation
Hiroki YOSHIOKA
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
DEGRADABLE POLYETHYLENE GLYCOL DERIVATIVE
Publication number
20210147624
Publication date
May 20, 2021
NOF Corporation
Hiroki YOSHIOKA
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
DEGRADABLE POLYETHYLENE GLYCOL CONJUGATE
Publication number
20210023231
Publication date
Jan 28, 2021
NOF Corporation
Hiroki YOSHIOKA
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
PURIFICATION METHOD OF POLYETHYLENE GLYCOL HAVING ONE CARBOXYL GROUP
Publication number
20200079905
Publication date
Mar 12, 2020
NOF Corporation
Midori HIRAI
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
MULTI-ARM POLYETHYLENE GLYCOL DERIVATIVE, INTERMEDIATE THEREOF, AND...
Publication number
20160326317
Publication date
Nov 10, 2016
NOF Corporation
Hiroki Yoshioka
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
METHOD FOR PURIFYING POLYETHYLENE GLYCOL HAVING ONE AMINO GROUP
Publication number
20160046762
Publication date
Feb 18, 2016
NOF CORPORATION
Hiroki YOSHIOKA
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
MULTI-ARM POLYETHYLENE GLYCOL DERIVATIVE, INTERMEDIATE THEREOF, AND...
Publication number
20150073155
Publication date
Mar 12, 2015
NOF CORPORATION
Hiroki Yoshioka
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...