Patent Assignment Details
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| Reel/Frame: | 004934/0043 | |
| Pages: | 1 |
| | Recorded: | 07/29/1988 | | |
| 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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09/12/1989
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Application #:
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07200163
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Filing Dt:
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05/31/1988
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Title:
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USE, AS A COUPLER, OF 2,4-DIAMINO-1,3-DIMETHOXYBENZENE OR ONE OF ITS SALTS, IN COMBINATION WITH OXIDATION DYE PRECURSORS, FOR DYEING HUMAN HAIR, HAIR DYEING COMPOSITION CONTAINING THE SAID COUPLER AND PROCESS FOR PREPARING THE SAID COUPLER
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Correspondence name and address
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CUSHMAN, DARBY & CUSHMAN
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11TH FLR., 1615 L STREET, N. W.
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WASHINGTON, DC 20036
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