Patent Assignment Details
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Reel/Frame: | 005688/0122 | |
| Pages: | 2 |
| | Recorded: | 04/24/1991 | | |
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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08/13/1991
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Application #:
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07391253
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Filing Dt:
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08/09/1989
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Title:
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AQUEOUS DEVELOPER SOLUTION HAVING HYDROXY-ALKYL PIPERIDINE FOR POSITIVE-WORKING PHOTORESISTS
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Assignee
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LUDWIGSHAFEN, RHEINLAND-PFALZ, GERMANY 6700 |
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Correspondence name and address
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MESSRS, KEIL & WEINKAUF
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1101 CONNECTICUT AVE., N.W.
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WASHINGTON, DC 20036
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