James K. Turnbull

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West Vancouver, CA

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Patents Grantslast 30 patents

Information Patent Grant
Method of brightening mechanical pulp using silicate-free peroxide...
- Patent number 5,223,091
- Issue date Jun 29, 1993
- MacMillan Bloedel Limited
- Bernard H. Hetzler
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE