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Zenon C. Prusas
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Chillicothe, OH, US
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last 30 patents
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Patent Grant
Primary paper sheet having a surface layer of pulp fines
Patent number
4,888,092
Issue date
Dec 19, 1989
The Mead Corporation
Zenon Prusas
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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Patent Grant
High-yield chemical pulping
Patent number
4,869,783
Issue date
Sep 26, 1989
The Mead Corporation
Zenon C. Prusas
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Chemithermomechanical pulping process employing separate alkali and...
Patent number
4,486,267
Issue date
Dec 4, 1984
Mead Corporation
Zenon C. Prusas
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE