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US 8,273,174 B2Granted
Method of making a fiber cement board with improved properties and the product
AssigneeWyerhaeuser NR Company
InventorsSherry L Thomson, David J O'Callaghan, John A Westland, Bing Su
Life of this patent
Estimating the term…
Abstract
A cement product incorporating nanocrystalline cellulose and cellulose fiber throughout the product and a method of making the product.
Claims13
A fiber cement board, comprising:
- a cementitious matrix;
- kraft cellulose pulp fibers dispersed throughout the cementitious matrix, and
- nanocrystalline cellulose dispersed throughout the cementitious matrix.
Dependencies are inferred from the claim text.