Research Association for Pulp and Paper Technology

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Twin wire forming apparatus with positive pressure foils
- Patent number 4,999,087
- Issue date Mar 12, 1991
- Research Association for Pulp and Paper Technology
- Masafumi Ebihara
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method for concentrating black liquor with oxidizing followed by CO...
- Patent number 4,911,787
- Issue date Mar 27, 1990
- Research Association of Pulp and Paper Technology
- Akira Shimokura
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE