Sticking sheet
CA 2035776 A1 · Owner: Daimatsu Kagaku Kogyo Co. Ltd. · Inventors: Matsuguchi, Noboru; Matsuguchi, Tadashi
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A sticking comprising a base material; a heat adhesive resin layer, formed on one principal surface of the base material, for sticking the base material to a material to be stuck; and an adhesive inhibiting portion dispersedly, formed on the surface of the heat adhesive resin layer for, reducing the adhesive strength of the heat adhesive resin layer. According to the present invention the sticking, surface to be sticked to the material to be stuck is divided into the exposed portion of the heat adhesive resin layer and the adhesion inhibiting portion for reducing the adhesive strength of the heat adhesive resin layer. Therefore when the heated sticking surface is sticked to the material to …
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 February 6, 1991. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended February 6, 2011.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 6, 2013.
- 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.