Patent Assignment Details
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For pending or abandoned applications please consult USPTO staff.
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| Reel/Frame: | 012598/0255 | |
| Pages: | 4 |
| | Recorded: | 02/21/2002 | | |
| Conveyance: | DOCUMENT PREVIOUSLY RECORDED AT REEL 012199 FRAME 0648 CONTAINED ERRORS IN PROPERTY NUMBER 5192650. DOCUMENT RERECORDED TO CORRECT ERRORS ON STATED REEL. |
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Total properties:
1
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Patent #:
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Issue Dt:
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03/09/1993
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Application #:
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07564643
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Filing Dt:
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08/09/1990
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Title:
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PROCESS FOR PREPARING 7-HYDROXY-1,2-NAPHTHOQUINONE-2-DIAZIDE-4- SULFONIC ACID OR SALTS THEREOF
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Assignee
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| BRUNINGSTRASSE 50 |
| 65929 FRANKFURT AM MAIN, GERMANY |
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Correspondence name and address
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FOLEY & LARDNER
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RICHARD L. SCHWAAB
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WASHINGTON HARBOUR
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3000 K STREET, N.W., SUITE 500
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WASHINGTON, DC 20007-5109
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