Antistatic agents particularly for coating flat textile articles
CA 1107464 A · Owner: Chemische Fabrik Stockhausen & Cie · Inventors: Peppmoller, Reinmar; Stockhausen, Dolf
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An antistatic agent such as for the coating of flat textile articles such as carpets, to prevent static electricity build-up which contains one or more salts of a polymeric acid and an amine of the general formula, in which, A is H, -OR2 R1 is a lower alkyl radical, a hydroxyalkyl aminoalkyl, polyalkylene, imine or polyalkylene glycol ether radical; R2 is a lower alkyl radical, a hydroxyalkyl aminoalkyl, polyalkylene, imine or polyalkylene glycol ether radical; R3 is a lower alkyl radical, a hydroxyalkyl aminoalkyl, polyalkylene, imine or polyalkylene glycol ether radical; R4 is a lower alkyl radical, a hydroxyalkyl aminoalkyl, polyalkylene, imine or polyalkylene glycol ether radical; X is …
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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 August 25, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 25, 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.