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Chongqing, CN
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Patents Grants
last 30 patents
Information
Patent Grant
Polyethylene glycol conjugate drug, and preparation method therefor...
Patent number
11,813,334
Issue date
Nov 14, 2023
Chongqing Upgra Biotechnology Co., Ltd.
Gaoquan Li
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Intermediate drug with synergistic anticancer activity and polyethy...
Patent number
11,484,600
Issue date
Nov 1, 2022
Chongqing Upgra Biotechnology Co., Ltd.
Gaoquan Li
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Patents Applications
last 30 patents
Information
Patent Application
POLYETHYLENE GLYCOL CONJUGATE DRUG, AND PREPARATION METHOD THEREFOR...
Publication number
20230101564
Publication date
Mar 30, 2023
CHONGQING UPGRA BIOTECHNOLOGY CO., LTD.
Gaoquan LI
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
POLYETHYLENE GLYCOL CONJUGATE DRUG, PREPARATION METHOD THEREFOR AND...
Publication number
20230073036
Publication date
Mar 9, 2023
CHONGQING UPGRA BIOTECHNOLOGY CO., LTD.
Gaoquan LI
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
POLYETHYLENE GLYCOL CONJUGATED DRUG AND ITS PREPARATION METHOD AND USE
Publication number
20220105189
Publication date
Apr 7, 2022
CHONGQING UPGRA BIOTECHNOLOGY CO., LTD.
Gaoquan LI
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
INTERMEDIATE DRUG WITH SYNERGISTIC ANTICANCER ACTIVITY AND POLYETHY...
Publication number
20200261588
Publication date
Aug 20, 2020
Chongqing Upgra Biological Sci. & Tech., Ltd.
Gaoquan LI
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE