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|---|
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| 07/283157 | INTERCONVERSION OF LINEAR AND BRANCHED CARBOXYLIC ACIDS AND CARBOXYLIC ACID ANHYDRIDES | Dec 11, 1988 | Abandoned |
| 07/279085 | PROCESS FOR EXCHANGING DISPERSING MEDIUM OF TEREPHTHALIC ACID SLURRY | Dec 1, 1988 | Abandoned |
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