Lawrence H. Allen

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Pointe Claire, CA

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Patents Grantslast 30 patents

Information Patent Grant
Dendrimeric polymers for the production of paper and board
- Patent number 6,468,396
- Issue date Oct 22, 2002
- Pulp and Paper Research Institute of Canada
- Lawrence Harvey Allen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Centrifugal cleaning of pulp and paper process liquids
- Patent number 5,468,396
- Issue date Nov 21, 1995
- Pulp and Paper Research Institute of Canada
- Lawrence H. Allen
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Additives for increased retention and pitch control in paper manufa...
- Patent number 4,313,790
- Issue date Feb 2, 1982
- Pulp and Paper Research Institute of Canada
- Robert H. Pelton
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

Patents Applicationslast 30 patents

Information Patent Application
Dendrimeric polymers for the production of paper and board
- Publication number 20010018957
- Publication date Sep 6, 2001
- Lawrence Harvey Allen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE