Patent Assignment Details
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| Reel/Frame: | 006347/0695 | |
| Pages: | 3 |
| | Recorded: | 06/11/1991 | | |
| 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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02/01/1994
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Application #:
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07688514
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Filing Dt:
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06/11/1991
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Title:
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POSITIVE RESIST COMPOSITION COMPRISING AN ALKALI-SOLUBLE RESIN AND A QUINONE DIAZIDE SULFONIC ACID ESTER OF A HYDROXY FLAVAN DERIVATIVE
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Assignee
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| 5-33, KITAHAMA 4-CHOME |
| CHUO-KU, OSAKA 541, JAPAN |
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Correspondence name and address
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LEONARD R. SVENSSON
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BIRCH, STEWART, KOLASCH & BIRCH
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301 NORTH WASHINGTON STREET
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P.O. BOX 747
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FALLS CHURCH, VA. 22040-0747
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