Patent Assignment
Reel/Frame 050194/0820
Change of Name
Recorded: 2019-08-28
Pages: 12
Assignor
NIPPON RENSUI CO.
Executed: 2015-04-01
Assignee
MITSUBISHI RAYON AQUA SOLUTIONS CO., LTD.
1-1, HITOTSUBASHI 1-CHOME, CHIYODA-KU, TOKYO, JAPAN
Covered Property
(1)
Method for Removing Potassium from Ash Produced in a Kraft Pulping Process Recovery Boiler Using a Na-Type Cation Exchange Organic Resin
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Apr 11, 2006
From: FURUSHO, SABURO; KAWANO, NORIO; WAKAMOTO, SHIGERU
To: NIPPON RENSUI CO.; HOKUETSU PAPER MILLS, LTD.
Reel/Frame 017795/0585 →
Change of Name
Oct 28, 2009
From: HOKUETSU PAPER MILLS, LTD
To: HOKUETSU KISHU PAPER CO., LTD.
Reel/Frame 023449/0802 →
Merger
Aug 28, 2019
From: MITSUBISHI RAYON AQUA SOLUTIONS CO., LTD.
To: MITSUBISHI CHEMICAL AQUA SOLUTIONS CO., LTD.
Reel/Frame 050194/0869 →
Merger and Change of Name
Aug 28, 2019
From: MITSUBISHI CHEMICAL AQUA SOLUTIONS CO., LTD.; WELLTHY CORPORATION
To: MITSUBISHI CHEMICAL AQUA SOLUTIONS CO., LTD.
Reel/Frame 050195/0111 →