Zenon C. Prusas

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Chillicothe, OH, US

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Patents Grantslast 30 patents

Information 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
Information 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