Contact adhesives
CA 1237221 A · Owner: Hoechst Aktiengesellschaft · Inventors: Sattelmeyer, Richard; Hesse, Wolfgang; Schunck, Erich
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Contact adhesives based on polyurethane rubber in which the rubber solution is combined with 2.5 to 100% by weight, based on the solid rubber of, a phenolate of titanium, zirconium and/or preferably aluminum and optionally hydroxyl group-containing compounds, and their use for bonding organic or inorganic material such as leather, polyvinyl chloride rubber, textiles, polyurethane or glass.
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 May 24, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 24, 2005.
- 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.