John A. Histed

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L'Orignal, CA

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Patents Grantslast 30 patents

Information Patent Grant
Simplified bleaching process
- Patent number 4,238,281
- Issue date Dec 9, 1980
- Canadian International Paper Company
- John A. Histed
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method and apparatus for automatically and simultaneously controlli...
- Patent number 4,013,506
- Issue date Mar 22, 1977
- Canadian International Paper Company
- John A. Histed
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Removal of color and organic matter from kraft process bleach efflu...
- Patent number 4,000,033
- Issue date Dec 28, 1976
- Canadian Patents and Development Limited
- Francois Marcel Andre Nicolle
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE