Christian DE Choudens

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38160 Gieres, FR

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Patents Grantslast 30 patents

Information Patent Grant
Process for preparing chemical paper pulps by cooking, intermediate...
- Patent number 4,787,959
- Issue date Nov 29, 1988
- Atochem
- Dominique Lachenal
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Process for bleaching a mechanical pulp with hydrogen peroxide
- Patent number 4,756,798
- Issue date Jul 12, 1988
- Dominique Lachenal
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method and apparatus for grinding chips into paper pulp
- Patent number 4,088,528
- Issue date May 9, 1978
- Pierre Berger
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE