Mixing of a protein hydrolysate derived from...

Paper making and fiber liberation – Processes and products – Non-fiber additive

Reexamination Certificate

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C162S143000, C162S151000, C530S357000

Reexamination Certificate

active

07655113

ABSTRACT:
A process for producing a protein hydrolysate derived from keratin containing material with an oxidative bleaching agent at an acidic pH and mixing the keratin hydrolysate as an additive to the wet-end of a papermaking process. The process achieves a paper with a lower porosity and greater breaking length.

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