Patent Assignment Details
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| Reel/Frame: | 005169/0904 | |
| Pages: | 2 |
| | Recorded: | 09/18/1989 | | |
| Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST. |
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Total properties:
1
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Patent #:
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Issue Dt:
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05/14/1991
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Application #:
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07381577
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Filing Dt:
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07/18/1989
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Title:
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RECOVERY OF RARE EARTH ELEMENTS FROM SULPHUROUS ACID SOLUTION BY SOLVENT EXTRACTION
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Assignee
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| 1188 SHERBROOKE ST. WEST |
| MONTREAL, QUEBEC, CANADA H3A 3G2 |
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Correspondence name and address
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CHRISTOPHER C. DUNHAM
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COOPER & DUNHAM
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30 ROCKEFELLER PLAZA
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NEW YORK, NY 10112
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