Crosslinking aqueous coating agents
CA 1112788 A · Owner: Bayer Aktiengesellschaft · Inventors: Kremer, Wolfgang; Kronke, Heinz; Goossens, John
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Aqueous coating agent consisting of 5 - 50 parts by weight of cellulose ester, 5 - 30 parts by weight of plasticiser 5 - 50 parts by weight of alkyd resin, 30 - 80 parts by weight of water and 0.1 - 10 parts by weight of emulsifier wherein the, emulsifier is a vinyl alcohol homopolymer or copolymer and the alkyd resin is a short-oil alkyd resin having 5 - 50 % by weight of oil, characterised in that it additionally contains 4 - 40 parts by weight of a urea resin and/or melamine resin.
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 November 17, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 17, 1998.
- 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.