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Patent Grant
Membrane for the separation of carbon dioxide
Patent number
5,445,669
Issue date
Aug 29, 1995
Sumitomo Electric Industries, Ltd.
Makoto Nakabayashi
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Patent Grant
Process for preparation of polyvinylene sulfide
Patent number
4,564,668
Issue date
Jan 14, 1986
Director-General of Agency of Industrial Science and Technology
Tatsumi Arakawa
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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