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Patents Grantslast 30 patents

Information Patent Grant
Intergral pulp mill and method of constructing an integral mill
- Patent number 5,632,859
- Issue date May 27, 1997
- Ahlstrom Machinery Oy
- Pertti Heitto
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method for treating cellulose obtained from cellulose cooking process
- Patent number 4,565,602
- Issue date Jan 21, 1986
- Larox Oy
- Juhani Haartti
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE