Ionically modified pur spreading pastes and their use
CA 1253643 A · Owner: Bayer Aktiengesellschaft · Inventors: Thoma, Wilhelm; Langel, Rolf; Noll, Klaus
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
MO-2804, LeA 23,860, IONICALLY MODIFIED PUR SPREADING PASTES AND THEIR USE ABSTRACT OF THE DISCLOSURE, The present invention is directed to the preparation of optionally pigmented spreading paste based on multiphase mixtures of ionically-modified polyurethanes and/or polyurethane ureas which are prepared from special synthesis components based on silicone resins, aromatic hydroxypolyethers aromatichydroxy polyesters, and perfluorocarbon resins the multiphase mixtures additionally containing water and organic solvents for the polyurethanes and/or polyurethane ureas. The present invention is also directed to the preparation of these optionally pigmented spreading pastes and to their use for …
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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
- Granted May 2, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 2, 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.