IP Library › Assignment 075339/0287
Patent Assignment
Reel/Frame 075339/0287

Assignment of Assignor's Interest

Recorded: 2026-04-03 Pages: 7
Assignors
CENTAURUS BIOPHARMA CO., LTD.
Executed: 2026-03-26
Assignee
CHIA TAI TIANQING PHARMACEUTICAL GROUP CO., LTD.
NO. 369 YUZHOU SOUTH RD., LIANYUNGANG, JIANGSU, 222062, CHINA
Covered Properties (4)
Pyrrolopyrimidine Compound
Application: 15/536,648 →
Publication: US US20190201403A1
Pyrrolopyrimidine Comprising Cyclopentyl Substituent
Application: 16/310,221 →
Publication: US US20190183899A1
Preparation Method For Chiral Pyrrolopyrimidine Compound
Application: 16/309,882 →
Publication: US US20190211021A1
Pyrrolopyrimidine Crystal for Preparing Jak Inhibitor
Application: 16/310,369 →
Publication: US US20190330215A1
Related Assignments (6)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest Jul 6, 2017
From: ZHU, LI; XIAO, DENGMING; HU, YUANDONG; DAI, LIGUANG
To: CENTAURUS BIOPHARMA CO., LTD.; CHIA TAI TIANQING PHARMACEUTICAL GROUP CO., LTD.; LIANYUNGANG RUNZHONG PHARMACEUTICAL CO., LTD.
Reel/Frame 043096/0198 →
Assignment of Assignor's Interest Jan 4, 2019
From: ZHANG, XIQUAN; ZHANG, AIMING; ZHOU, ZHOU; YAO, HUADONG
To: CHIA TAI TIANQING PHARMACEUTICAL GROUP CO., LTD.; LIANYUNGANG RUNZHONG PHARMACEUTICAL CO., LTD.; CENTAURUS BIOPHARMA CO., LTD.
Reel/Frame 049627/0073 →
Assignment of Assignor's Interest Jan 29, 2019
From: ZHU, LI; LIU, YANGJIAN; ZHANG, CHUANYU; WANG, HE
To: CENTAURUS BIOPHARMA CO.; CHIA TAI TIANQING PHARMACEUTICAL GROUP CO.; LIANYUNGANG RUNZHONG PHARMACEUTICAL CO., LTD.
Reel/Frame 048176/0218 →
Assignment of Assignor's Interest Jul 18, 2019
From: ZHOU, ZHOU; ZHANG, AIMING; ZHANG, XIQUAN; YAO, HUADONG
To: CHIA TAI TIANQING PHARMACEUTICAL GROUP CO., LTD.; LIANYUNGANG RUNZHONG PHARMACEUTICAL CO., LTD.; CENTAURUS BIOPHARMA CO., LTD.
Reel/Frame 049795/0025 →
Assignment of Assignor's Interest Mar 31, 2026
From: CENTAURUS BIOPHARMA CO., LTD.; LIANYUNGANG RUNZHONG PHARMACEUTICAL CO., LTD.
To: CHIA TAI TIANQING PHARMACEUTICAL GROUP CO., LTD.
Reel/Frame 075356/0709 →
Assignment of Assignor's Interest Apr 6, 2026
From: CENTAURUS BIOPHARMA CO., LTD.; LIANYUNGANG RUNZHONG PHARMACEUTICAL CO., LTD.
To: CHIA TAI TIANQING PHARMACEUTICAL GROUP CO., LTD.
Reel/Frame 075366/0348 →