Hot melt moisture cure polyurethane system cure after application
CA 1263785 C · Owner: H.B. Fuller Company · Inventors: Bernig, Walter; Windhoff, Jochen; Reischle, Ferdinand
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention relates to fusion adhesives characterized in that they consist of a composition of an isocyanate prepolymer, a thermoplastic polyurethane or polyester and a lower molecular weight synthetic resin of the group comprising ketone resins and/or ketone aldehyde condensation resins and/or hydration products of acetophenone condensation resins.
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 December 5, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 5, 2006.
- 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.