Companhia Val Do Rio Doce

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Minas Gerais, BR

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Patents Grantslast 30 patents

Information Patent Grant
High performance kaolin pigment, a paper coating color containing h...
- Patent number 6,660,076
- Issue date Dec 9, 2003
- Companhia Val Do Rio Doce
- Maria Cristina Almeida Valadares
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE