David L. K. Wang

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Hamburg, DE

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Patents Grantslast 30 patents

Information Patent Grant
Sequential bleaching of de-inked paper pulp with sodium bisulfite,...
- Patent number 5,562,803
- Issue date Oct 8, 1996
- Morton International, Inc.
- David L. K. Wang
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE