Larry D. Markham

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Pierrefonds, CA

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Patents Grantslast 30 patents

Information Patent Grant
Process for the oxygen delignification of pulp mill rejects
- Patent number 4,435,249
- Issue date Mar 6, 1984
- The Black Clawson Co.
- Larry D. Markham
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method for medium consistency oxygen delignification of pulp
- Patent number 4,363,697
- Issue date Dec 14, 1982
- The Black Clawson Company
- Larry D. Markham
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE