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Patent applications and USPTO patent grants for de Laryssa; Alexandre.The latest application filed is for "enzymatic opacifying composition for paper, pulp or paperboard, processes using same and pulp, paper or paperboard produced therefrom".
Patent | Date |
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Opacifying composition for paper or paperboard, processes using same and paper or paperboard produced therefrom Grant 7,413,631 - Elgarhy , et al. August 19, 2 | 2008-08-19 |
Method for enzymatic deinking of waste papers, the waste papers so treated and the treating composition Grant 7,282,113 - Elgarhy , et al. October 16, 2 | 2007-10-16 |
Enzymatic opacifying composition for paper, pulp or paperboard, processes using same and pulp, paper or paperboard produced therefrom App 20070029059 - Elgarhy; Yassin ;   et al. | 2007-02-08 |
Opacifying composition for paper or paperboard, processes using same and paper or paperboard produced therefrom App 20060260776 - Elgarhy; Yassin ;   et al. | 2006-11-23 |
Method for enzymatic deinking of waste papers, the waste papers so treated and the treating composition App 20060102299 - Elgarhy; Yassin ;   et al. | 2006-05-18 |
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