Mitsuru Kondo

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Kawanishi, JA

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Patents Grantslast 30 patents

Information Patent Grant
Chromogenic compounds and method for preparation thereof
- Patent number 3,970,671
- Issue date Jul 20, 1976
- Kanzaki Paper Manufacturing Co., Ltd.
- Mitsuru Kondo
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Benz (c) fluoran compounds and recording sheet containing them
- Patent number 3,947,471
- Issue date Mar 30, 1976
- Sumitomo Chemical Company, Ltd.
- Takashi Akamatsu
- C07 - ORGANIC CHEMISTRY