Redispersible microfibrillated cellulose
CA 1208631 A · Owner: Itt Industries, Inc. · Inventors: Herrick, Franklin W.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Redispersible microfibrillated cellulose is prepared by the addition to a liquid dispersion of the microfibrillated cellulose an additive compound, capable of substantially inhibiting hydrogen bonding between the cellulose fibrils. The microfibrillated cellulose upon drying, is, characterized by having a viscosity when redispersed in water of at least 50% of the viscosity of an equivalent concentration of the original dispersion.
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
- Granted July 29, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 29, 2003.
- 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.