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Hajimi Kawa
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Austin, TX, US
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last 30 patents
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Patent Grant
Use of chlorofluoropolymers as lubricants for refrigerants
Patent number
5,198,139
Issue date
Mar 30, 1993
Exfluor Research Corporation
Thomas R. Bierschenk
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...