Patent Assignment Details
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| Reel/Frame: | 005281/0150 | |
| Pages: | 2 |
| | Recorded: | 04/24/1990 | | |
| 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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06/26/1990
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Application #:
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07436953
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Filing Dt:
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11/15/1989
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Title:
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AMINOARYLSULFONIC ACID-PHENOL-FORMALDEHYDE CONDENSATE AND CONCRETE ADMIXTURE COMPRISING THE SAME
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Assignee
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| 3, DOSHOMACHI 4-CHOME, HIGASHI-KU |
| OSAKA-SHI, OSAKA 541, JAPAN |
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Correspondence name and address
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OBLON, SPIVAK, MC CLELLAND, MAIER
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& NEUSTADT
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FOURTH FLOOR
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1755 JEFFERSON DAVIS HIGHWAY
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ARLINGTON, VA 22202
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