Methods for producing plasticized fluff pulp
CA 2589348 C · Owner: Rayonier Products And Financial Services Company · Inventors: Hamed, Othman A.; Chmielewski, Harry J.; Haeussler, Michael
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A plasticizing formulation for producing plasticized fluff pulp. The plasticizing , formulation, which preferably is an aqueous solution includes a primary , plasticizing , agent and optionally a secondary plasticizing agent. Preferably the primary , plasticizing agent is 1,4-cyclohexanedimethanol and the secondary , plasticizing agent is triacetin. When the plasticizing formulation is applied to a cellulosic fluff pulp, a , plasticized fluff pulp is produced. The resultant plasticized fluff pulp may have one or , more of the following: reduced Kamas energy Mullen strength, and fiber knot , and nit contents, when compared to the base cellulosic fluff pulp fiber that is not plasticized.
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Filed November 21, 2005 and granted May 14, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended November 21, 2025.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.