IP Library › Assignment 054572/0629
Patent Assignment
Reel/Frame 054572/0629

Assignment of Assignor's Interest

Recorded: 2020-12-08 Pages: 4
Assignor
Assignee
HEC PHARM CO. LTD.
62, BINJIANG ROAD, LUCHENG, YIDU, HUBEI, 443300, CHINA
Covered Properties (2)
Crystallizing Method of Erythromycin
Patent: 8,436,154 →
Application: 13/063,933 →
Publication: US 2011/0172402
Preparation Process of Erythromycin Thiocyanate
Patent: 9,409,940 →
Application: 14/240,031 →
Publication: US 2014/0228555
Related Assignments (4)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest Mar 14, 2011
From: MA, XIAOPING; SONG, LUNING
To: SUNSHINE LAKE PHARMA CO., LTD
Reel/Frame 025952/0014 →
Assignment of Assignor's Interest Feb 25, 2014
From: XIONG, HUI; ZHAO, KEYI; DENG, ZHAOZHENG
To: HEC PHARM CO., LTD.
Reel/Frame 032286/0964 →
Assignment of Assignor's Interest Oct 21, 2019
From: HEC PHARM CO., LTD.
To: NORTH & SOUTH BROTHER PHARMACY INVESTMENT COMPANY LIMITED
Reel/Frame 050780/0912 →
Assignment of Assignor's Interest Oct 25, 2019
From: SUNSHINE LAKE PHARMA CO., LTD.
To: NORTH & SOUTH BROTHER PHARMACY INVESTMENT COMPANY LIMITED
Reel/Frame 050832/0688 →