Patent Assignment Details
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For pending or abandoned applications please consult USPTO staff.
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| Reel/Frame: | 006385/0011 | |
| Pages: | 3 |
| | Recorded: | 11/23/1992 | | |
| 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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11/29/1994
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Application #:
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07961570
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Filing Dt:
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10/15/1992
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Title:
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SCALE CONTROL IN GOLD AND SILVER MINING HEAP LEACH AND MILL WATER CIRCUITS USING POLYETHER POLYAMINO METHYLENE PHOSPHONATES
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Assignee
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| PT BLDG 1 |
| RT. 60 BOX 1346 |
| PITTSBURGH, PENNSYLVANIA 15205 |
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Correspondence name and address
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RAYMOND M. SPEER
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PATENT DEPARTMENT
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MERCK & CO., INC.
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P.O. BOX 2000-RY 60-30
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RAHWAY, NJ 07065-0907
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