Method for reducing dichloroacetic acid in the presence of monochloro-acetic acid
First Claim
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1. THE PROCESS FOR SELECTIVELY REDUCING THE DICHLOROACETIC ACID CONTENT OF A MIXTURE COMPRISING MONOCHLOROACETIC ACID AND DICHLOROACETIC ACID WHICH COMPRISES:
- INTRODUCING HYDROGEN GAS INTO THE LIQUID MIXTURE MAINTAINED AT A TEMPERATURE BETWEEN ABOUT 60 AND ABOUT 170 DEGREES CENTIGRADE IN THE ABSENCE OF A SOLVENT WHILE IN THE PRESENCE OF A CATALYTIC AMOUNT OF A GROUP VIII NOBLE METAL HYDROGENATION CATALYST HAVING AN ATOMIC NUMBER GREATER THAN 43, AND RECOVERING THE RESULTING PRODUCT THEREFROM.
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1 Claim
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1. THE PROCESS FOR SELECTIVELY REDUCING THE DICHLOROACETIC ACID CONTENT OF A MIXTURE COMPRISING MONOCHLOROACETIC ACID AND DICHLOROACETIC ACID WHICH COMPRISES:
- INTRODUCING HYDROGEN GAS INTO THE LIQUID MIXTURE MAINTAINED AT A TEMPERATURE BETWEEN ABOUT 60 AND ABOUT 170 DEGREES CENTIGRADE IN THE ABSENCE OF A SOLVENT WHILE IN THE PRESENCE OF A CATALYTIC AMOUNT OF A GROUP VIII NOBLE METAL HYDROGENATION CATALYST HAVING AN ATOMIC NUMBER GREATER THAN 43, AND RECOVERING THE RESULTING PRODUCT THEREFROM.
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Current AssigneeOccidental Chemical Corporation (Occidental Petroleum Corporation)
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Original AssigneeJames S. Sconce, John T. Rucker
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InventorsRucker, John T., Sconce, James S.
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Application NumberUS03/420,188Time in Patent Office1,714 DaysField of SearchUS Class Current562/604CPC Class CodesC07C 51/373 by introduction of function...C07C 51/487 by treatment giving rise to...C07C 53/16 Halogenated acetic acids
