David M. Mackie

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North Vancouver, British Columbia, CA

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Patents Grantslast 30 patents

Information Patent Grant
Peroxide bleaching of mechanical pulps
- Patent number 4,798,652
- Issue date Jan 17, 1989
- Peter Joyce
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Two-stage chemical treatment of mechanical wood pulp with sodium su...
- Patent number 4,502,918
- Issue date Mar 5, 1985
- MacMillan Bloedel Limited
- David M. Mackie
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Alkaline pulping of lignocellulosic material with amine and sulfate...
- Patent number 4,067,768
- Issue date Jan 10, 1978
- MacMillan Bloedel Limited
- David M. Mackie
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Alkaline pulping of lignocellulosic material with amine and nitrate...
- Patent number 4,045,280
- Issue date Aug 30, 1977
- MacMillan Bloedel Limited
- David M. Mackie
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE