Patent Assignment Abstract of Title
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Total Assignments:
2
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Patent #:
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Issue Dt:
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11/08/2011
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Application #:
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12159728
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Filing Dt:
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11/10/2008
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Publication #:
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Pub Dt:
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05/21/2009
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Inventors:
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Qiang Wang, Aifen Cao, Huian Yi
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Title:
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STARCH-(METH)ACRYLATE GRAFT COPOLYMER, OIL-SWELLABLE MATERIAL AND OIL- AND WATER-SWELLABLE MATERIAL COMPRISING THE SAME, AND SEALING ARTICLES AND PACKERS PREPARED FROM SAID SWELLABLE MATERIAL
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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| C05-06, ROOM 20 FLOOR, TOWER C OF GRAND PLACE, NO. 5 HUIZHONG ROAD, CHAOYANG DIST |
| BEIJING, CHINA 100101 |
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| C05-06, ROOM 20 FLOOR, TOWER C OF GRAND PLACE, NO. 5 HUIZHONG ROAD, CHAOYANG DIST |
| BEIJING, CHINA 100101 |
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| THE WEBB LAW FIRM, P.C. |
| 700 KOPPERS BUILDING |
| 436 SEVENTH AVENUE |
| PITTSBURGH, PA 15219 |
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Assignment:
2
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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| 13/F, TOWER C OF GRAND PLACE |
| NO 5 HUIZHONG ROAD, CHAOYANG DIST, |
| BEIJING, CHINA 100101 |
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| THE WEBB LAW FIRM |
| 436 SEVENTH AVENUE |
| 700 KOPPERS BUILDING |
| PITTSBURGH, PA 15219 |
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