IP Library › Assignment 021976/0841
Patent Assignment
Reel/Frame 021976/0841

Assignment of Assignor's Interest

Recorded: 2008-11-21 Pages: 2
Assignor
AZ ELECTRONIC MATERIALS USA CORP.
Executed: 2008-09-19
Assignee
PBI ADVANCED MATERIALS CO., LTD.
2768-2 MUKUMOTO GEINO-CHO, TSU-SHI, MIE, 514-2211, JAPAN
Covered Properties (6)
Polybenzimidazole Material with Low Metallic Concentration and a Process for Production Thereof
Patent: 5,932,688 →
Application: 08/783,008 →
Process for Manufacturing Sintered Polybenzimidazole Article
Patent: 5,770,142 →
Application: 08/874,860 →
Polybenzimidazole Compounds in Solution and a Process for the Preparation Thereof
Patent: 5,902,876 →
Application: 08/877,851 →
Method for Producing Polybenzimidazole Sintered Compact
Patent: 6,593,449 →
Application: 10/030,412 →
Publication: US 2003/0025246
Wafer Holding Ring for Checmial and Mechanical Polisher
Patent: 6,896,602 →
Application: 10/398,600 →
Publication: US 2004/0023609
Methods of Forming Polybenzimidazole Coating Film and of Forming Film
Patent: 6,896,931 →
Application: 10/432,556 →
Publication: US 2004/0028824
Related Assignments (8)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest Jan 14, 1997
From: MURATA, MAKOTO
To: HOECHST JAPAN LIMITED
Reel/Frame 009310/0212 →
Assignment of Assignor's Interest Jun 13, 1997
From: SASAKI, YOSHISATO; KURISAKI, MINORU
To: HOECHST JAPAN LIMITED
Reel/Frame 008609/0399 →
Assignment of Assignor's Interest Sep 15, 1997
From: MURATA, MAKOTO; NAKAMURA, TORU
To: HOECHST JAPAN LIMITED
Reel/Frame 008699/0720 →
Assignment of Assignor's Interest Feb 13, 2001
From: HOECHST JAPAN LIMITED
To: CLARIANT FINANCE (BVI) LIMITED
Reel/Frame 011531/0702 →
Assignment of Assignor's Interest Apr 4, 2003
From: OSHITA, TETSUYA; AIZAWA, MASAMI; SAKAMOTO, KATSUYUKI
To: CLARIANT FINANCE (BVI) LIMITED
Reel/Frame 014412/0742 →
Assignment of Assignor's Interest Jun 3, 2003
From: NIWA, NORIYUKI; SASAKI, YOSHISATO
To: CLARIANT FINANCE (BVI) LIMITED
Reel/Frame 013702/0456 →
Assignment of Assignor's Interest Sep 21, 2004
From: AIZAWA, MASAMI
To: CLARIANT FINANCE (BVI) LIMITED
Reel/Frame 015154/0970 →
Assignment of Assignor's Interest Mar 17, 2005
From: CLARIANT FINANCE (BVI) LIMITED
To: AZ ELECTRONIC MATERIALS USA CORP.
Reel/Frame 015788/0348 →