Patent Assignment Details
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Reel/Frame: | 005017/0158 | |
| Pages: | 2 |
| | Recorded: | 02/10/1989 | | |
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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05/02/1989
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Application #:
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07187115
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Filing Dt:
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04/28/1988
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Title:
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PYRITE DEPRESSANTS USEFUL IN THE SEPARATION OF PYRITE FROM COAL
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Assignee
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ABBOTT RD. |
2030 DOW CTR. |
MIDLAND, MICHIGAN 48640 |
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Correspondence name and address
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RICHARD G. WATERMAN
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P.O. BOX 1967
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MIDLAND, MI 48641-1967
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ATTN: THE DOW CHEMICAL CO.
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