Margarete Scholl

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Mannheim, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process and agent for the oxidative bleaching of wood pulp and for...
- Patent number 5,607,544
- Issue date Mar 4, 1997
- BK Ladenburg GmbH fur Chemische Erzeugnisse
- Wolfram Salzburger
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Deinking waste paper using a polyglycol and a phosphoric ester mixture
- Patent number 5,228,953
- Issue date Jul 20, 1993
- BK Ladenburg GmbH Gesellschaft fur Chemische Erzeugnisse
- Inge Bast
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Process and composition for bleaching wood pulp
- Patent number 4,752,354
- Issue date Jun 21, 1988
- Benckiser-Knapsack GmbH
- Harald Beurich
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Process of and composition for de-inking waste paper as well as pap...
- Patent number 4,487,655
- Issue date Dec 11, 1984
- Benckiser-Knapsack GmbH
- Siegfried N/o/ etzel
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE