Wilhelm Berndt

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6 Frankfurt am Main, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process for bleaching cellulose with organic peracid
- Patent number 4,400,237
- Issue date Aug 23, 1983
- Degussa Aktiengesellschaft
- Horst Kruger
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Process for the production of water containing carbon black prepara...
- Patent number 4,366,139
- Issue date Dec 28, 1982
- Degussa Aktiengesellschaft
- Gerhard Kuhner
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Production of paper pulp from sugar mill bagasse
- Patent number 4,260,452
- Issue date Apr 7, 1981
- Horst Kruger
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE