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Article: Publication No. WO/2009/130168 Published on Oct. 29, Assigned to Kemira Oyj for Lignin-Containing Material Light-Induced Yellowing Reduction Method (Finnish, German Inventors)
- Article from:
- US Fed News Service, Including US State News
- Article date:
- October 30, 2009
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GENEVA, Oct. 30 -- Veli-Matti Vuorenpalo, Jarkko Pere and Reijo Aksela, all from Finland, and Andrei Tauber, Germany, have developed a method for reduction of light-induced yellowing of lignin-containing material.
The patent has been assigned to Kemira Oyj, Helsinki, Germany.
According to an abstract posted by the World Intellectual Property Organization: "The present invention provides a method for treating lignin-containing fibrous material to reduce its susceptibility to yellowing, comprising stabilizing the lignin of the material with an oxidizing agent capable of oxidizing phenolic or similar groups, which may undergo ...