M. Catherine Depew

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Kingston, CA

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Patents Grantslast 30 patents

Information Patent Grant
Method for bleaching mechanical pulp with hydrogen peroxide and an...
- Patent number 6,632,328
- Issue date Oct 14, 2003
- Queen's University at Kingston
- Jeffrey K. -S. Wan
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method of reducing brightness reversion and yellowness (B*) of blea...
- Patent number 6,059,927
- Issue date May 9, 2000
- Queen's University at Kingston
- Jeffrey K.-S. Wan
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method for increasing brightness in pulp paper and polymeric materials
- Patent number 6,030,495
- Issue date Feb 29, 2000
- Queens's University at Kingston
- Jeffrey K. S. Wan
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

Patents Applicationslast 30 patents

Information Patent Application
Method for bleaching mechanical pulp
- Publication number 20020144796
- Publication date Oct 10, 2002
- Jeffrey K.-S. Wan
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE