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Patent applications and USPTO patent grants for Soteland; Nicolai.The latest application filed is for "method for bleaching oxygen delignified cellulose-containing pulp with ozone and peroxide".
Patent | Date |
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Method for bleaching oxygen delignified cellulose-containing pulp with ozone and peroxide Grant 4,450,044 - Fritzvold , et al. May 22, 1 | 1984-05-22 |
Method for treating refined mechanical pulp and thermo mechanical pulp with ozone Grant 4,279,694 - Fritzvold , et al. July 21, 1 | 1981-07-21 |
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