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Assignee: Pulp and Paper Research Institute of Canada


Location: Quebec, CA
No. of patents: 3

NumberTitleIssue Date
7074845Swollen starch-latex compositions for use in papermaking
A novel filler treatment comprising the preparation of swollen starch-latex compositions, prepared in the presence or absence of co-additives, and the addition of the said composition to a filler suspension, has been developed. Use of the treated filler during paper...
07/11/2006
5766415Process for delignification and bleaching of chemical wood pulps with peroxide and dicyandiamide activator
A process of delignifying and bleaching a chemical wood pulp with hydrogen peroxide and dicyandiamide as an activator provides a higher degree of delignification and brightness of the pulp and overcomes problems of fibre degradation. The process comprises...
06/16/1998
5451456Latex of poly-ଲ-hydroxyalkanoates for treating fiber constructs and coating paper
A latex comprises a colloidal suspension in water of essentially non-crystalline particles of a polymer or copolymer or ଲ-hydroxyalkanoates, for example ଲ-hydroxybutyrate and ଲ-hydroxyvalerate; the latex may be employed to produce s...
09/19/1995
 
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