Kisaburou Shimizu

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Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Condensation product of 4,4'-dihydroxydiphenyl sulfone, 4,4'-dihydr...
- Patent number 4,218,366
- Issue date Aug 19, 1980
- Dainippon Pharmaceutical Co., Ltd.
- Akio Kobayashi
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Fixing agent for improving fastness properties of dyeings on polyam...
- Patent number 4,147,512
- Issue date Apr 3, 1979
- Dainippon Pharmaceutical Co., Ltd.
- Akio Kobayashi
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...