Adhesive composition comprising a particulate thermoplastic component
CA 2378078 A1 · Owner: H.B. Fuller Company · Inventors: Reski, Merilee M.; Coleman, Kathryn A.; Davies, Ronald R.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention is directed to an adhesive composition comprising a water based component including a film-forming polymer and a particulate thermoplastic component selected from the group consisting of thermoplastic polymers thermoplastic resins, hot melt adhesive compositions and mixtures thereof. , The thermoplastic component has a mean particle size of from about 10 microns to about 1,500 microns. The adhesive composition is useful as a one-shot bookbinding adhesive, a primer composition as well as a second-shot adhesive for two-shot bookbinding method. The invention is also directed to the bookbinding methods using the adhesive composition.
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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 February 28, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended February 28, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 28, 2023.
- 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.