Yuichi Irinatsu

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Wakayama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Deinking process using amine compounds and white water recycling
- Patent number 6,312,559
- Issue date Nov 6, 2001
- Kao Corporation
- Yuichi Irinatsu
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Wastepaper deinking method using amine or acid salt of amine in the...
- Patent number 6,251,220
- Issue date Jun 26, 2001
- Kao Corporation
- Yuichi Irinatsu
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method for controlling deinking process using contact angle
- Patent number 6,179,957
- Issue date Jan 30, 2001
- Kao Corporation
- Yuichi Irinatsu
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method for controlling deinking flotation using interfacial potenti...
- Patent number 6,103,056
- Issue date Aug 15, 2000
- Kao Corporation
- Yuichi Irinatsu
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE