Highly dispersed condensation polymers of polyamino and/or polyhydroxy compounds
CA 1065673 A · Owner: Erbsloh And Co. · Inventors: Mobius, Christian H.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The use of highly dispersed condensation polymers of polyamino and/or polyhdroxy compounds and formaldehyde with a specific surface area, of over 20 m2/g and with a positive zeta potential in the range from pH 3 to pH 5, as sorption agents for removing tannins from juices or fermentation products, particularly drinks, of vegetable origin.
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 6, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 6, 1996.
- 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.