Patent Assignment Details
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For pending or abandoned applications please consult USPTO staff.
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| Reel/Frame: | 004937/0730 | |
| Pages: | 2 |
| | Recorded: | 09/08/1988 | | |
| 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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12/10/1991
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Application #:
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07242008
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Filing Dt:
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09/08/1988
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Title:
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NOVEL ION-EXCHANGE AGENT AND USE THEREOF IN EXTRACTING HEAVY METALS FROM AQUEOUS SOLUTIONS
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Correspondence name and address
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CHIEF PATENT COUNSEL
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ENGELHARD CORP.,
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CN 40 MENLO PARK
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EDISON, NJ 08810
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