Norman Liebergott

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Laval, CA

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Patents Grantslast 30 patents

Information Patent Grant
Bleaching pulp with chloric acid
- Patent number 5,330,620
- Issue date Jul 19, 1994
- Pulp and Paper Research Institute of Canada
- Richard M. Berry
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Multistage brightening of high yield and ultra high-yield wood pulps
- Patent number 4,804,440
- Issue date Feb 14, 1989
- Pulp and Paper Research Institute of Canada
- Norman Liebergott
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE