Patent Assignment
Reel/Frame 007079/0559
Assignment of Assignor's Interest
Recorded: 1994-05-05
Pages: 3
Assignor
VIHERVAARA, TAPIO
Executed: 1994-04-19
Assignee
RAISION TEHTAAT OY AB
FIN 21200 RAISIO, FINLAND
Covered Property
(1)
Method for Reducing the Level of Interference Chemicals in the Water Circulation of Wood-Based Fibre Suspension Processes
Patent:
5,578,169 →
Application:
08/232,248 →
Related Assignments
(5)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Sep 29, 1994
From: RAISION TEHTAAT OY AB
To: RAISIO CHEMICALS OY
Reel/Frame 007150/0044 →
Change of Name
Oct 12, 2005
From: RAISIO CHEMICALS OY AND RAISIO CHEMICALS LTD.
To: CIBA SPECIALTY CHEMICALS OY
Reel/Frame 017083/0124 →
Change of Name
Oct 12, 2005
From: RAISIO CHEMICALS OY; RAISIO CHEMICALS LTD.
To: CIBA SPECIALTY CHEMICALS OY
Reel/Frame 017097/0222 →
Assignment of Assignor's Interest
Oct 12, 2005
From: CIBA SPECIALTY CHEMICALS OY
To: CIBA SPECIALTY CHEMICALS CORP.
Reel/Frame 017105/0005 →
Corrective Assignment to Correct the Cover Page and Pages 1,2 & 3 of Notice of Recordation of Assignment Document, Dated 2-1-06. the Assignee's Name Was Misspelled and the Highlighted Application Nos. and Patent Nos. Were Listed Incorrectly by the Clerk of the Patent Office. the Assignment Was Recorded on Reel 017105 Frame 0005.
Mar 13, 2006
From: CIBA SPECIALTY CHEMICALS OY
To: CIBA SPECIALTY CHEMICALS CORP.
Reel/Frame 017681/0133 →