John David Hoffmann

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Burnaby, CA

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Patents Grantslast 30 patents

Information Patent Grant
Determination of contaminant particles in an aqueous pulp
- Patent number 7,384,503
- Issue date Jun 10, 2008
- FPInnovations
- John David Hoffmann
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
System for detecting contaminants
- Patent number 5,542,542
- Issue date Aug 6, 1996
- Pulp and Paper Research Institute of Canada
- John D. Hoffmann
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
Isolation of sclereids
- Publication number 20050016700
- Publication date Jan 27, 2005
- Pulp and Paper Research Institute of Canada
- John David Hoffmann
- G01 - MEASURING TESTING
Information Patent Application
Determination of contaminant particles in an aqueous pulp
- Publication number 20040244926
- Publication date Dec 9, 2004
- John David Hoffmann
- G01 - MEASURING TESTING