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Refrigerant vent rectifier and efficiency booster |
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Encoder initialization and communications |
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System for, and method of, off-loading network transactions from a mainframe to an intelligent input/output device, including off-loading message queuing facilities |
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2000-10-31 |
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Butadiene removal system for ethylene plants with front end hydrogenation systems |
— |
1999-08-17 |
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Chemical absorption process for recovering olefins from cracked gases |
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Process based mixed refrigerants for ethylene plants |
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Butadiene removal system for ethylene plants with front end hydrogenation systems |
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1998-06-09 |