Masami Shikata

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Otsu, JP

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Patents Grantslast 30 patents

Information Patent Grant
Water-soluble copolymers useful for enhanced oil recovery
- Patent number 4,563,290
- Issue date Jan 7, 1986
- Sanyo Chemical Industries, Ltd.
- Masashi Okada
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...