Quaternized aminoamide-modified waxes
CA 1284148 C · Owner: Schleusener, Eckart · Inventors: Schleusener, Eckart; Danner, Bernard
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A quaternized aminoamide-modified wax obtainable by amidating with a polyamine containing a single primary amino group a carboxy, group-containing, oxidized hydrocarbon wax which may be partially saponified, and quaternizing at least one amino group of the resulting aminoamide-modified wax, optionally in admixture with a non-oxidized paraffin wax may be applie preferably in the form of, an aqueous dispersion containing a dispersing agent to a fibrous, substrate to improve its workability in mechanical processes.
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 14, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 14, 2008.
- 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.