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Xiangwei YANG
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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
Polyethylene glycol conjugate medicament, preparation method theref...
Patent number
11,793,881
Issue date
Oct 24, 2023
Chongqing Upgra Biotechnology Co., Ltd.
Gaoquan Li
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Patents Applications
last 30 patents
Information
Patent Application
POLYETHYLENE GLYCOL-DRUG CONJUGATE AND USE THEREOF
Publication number
20240269299
Publication date
Aug 15, 2024
CHONGQING UPGRA BIOTECHNOLOGY CO. LTD.
Gaoquan LI
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
POLYETHYLENE GLYCOL CONJUGATE DRUG, AND PREPARATION METHOD THEREFOR...
Publication number
20240115713
Publication date
Apr 11, 2024
CHONGQING UPGRA BIOTECHNOLOGY CO., LTD.
Gaoquan LI
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
POLYETHYLENE GLYCOL CONJUGATE DRUG SYNERGIST, AND PREPARATION METHO...
Publication number
20230348671
Publication date
Nov 2, 2023
CHONGQING UPGRA BIOTECHNOLOGY CO., LTD.
Gaoquan LI
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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 MEDICAMENT, PREPARATION METHOD THEREF...
Publication number
20230088403
Publication date
Mar 23, 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