Patent Assignment Details
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| Reel/Frame: | 006315/0893 | |
| Pages: | 2 |
| | Recorded: | 11/23/1992 | | |
| 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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03/23/1993
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Application #:
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07723975
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Filing Dt:
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07/01/1991
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Title:
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PREPARATION OF SOLID QUATERNARY AMMONIUM HALIDES
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Assignee
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| 330 SOUTH FOURTH STREET |
| RICHMOND, VIRGINIA 23219 |
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Correspondence name and address
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MR. PHILIP M. PIPPENGER
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PATENT AND TRADEMARK DIVISION
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ETHYL CORPORPATION
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451 FLORIDA BOULEVARD
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BATON ROUGE, LA 70801
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