Fibrous materials and composites
CA 2783759 C · Owner: Xyleco, Inc. · Inventors: Medoff, Marshall
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention provides a method of densifying a fibrous material comprising: adding, to a fibrous material a binder selected from the group consisting of water soluble binders water swellable binders, and binders having a glass transition temperature of less than 25°C to provide a fibrous material- binder combination; and compressing the fibrous material-binder combination to provide a densified fibrous material having a bulk density that is at least about two times greater than the bulk density of the fibrous material. The invention further provides a pellet or chip comprising a densified fibrous material having a bulk density of at least 0.3 g/cm3 comprising a cellulosic or …
Read the whole patent
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 March 23, 2006 and granted December 15, 2015. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended March 23, 2026.
- 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.