Helmut Endres

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Duesseldorf, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process for regenerating wastepaper using a double layer hydroxide...
- Patent number 5,227,020
- Issue date Jul 13, 1993
- Henkel Kommanditgesellschaft auf Aktien
- Helmut Endres
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE