Concentrated fabric softeners
CA 1208853 A · Owner: Clariant Gmbh · Inventors: May, Adolf; Schreiber, Manfred; Bucking, Hans-Walter
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Concentrated fabric softeners consisting substantially of 12 to 50 weight % of a quaternary ammonium compound customary for softeners, 2 to 20 weight of a fatty amine polyglycol ether of the formulae, (IV) in which R1 is alkyl or alkenyl having from 8 to 22 preferably 16 to 18, carbon atoms, x and y each are hydrogen or methyl with the proviso that x and y are not simultaneously methyl, n1 and n2 together are an integer of from 2 to 50, preferably 25, and p and m either are simultaneously zero, or p is 1 and m is 1, 2 or preferably 3 3 to 30 weight % of a C1-C3 alcohol, an acid in an amount which is equimolar to component b) and water and, optionally further usual auxiliaries in amounts …
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 August 5, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 5, 2003.
- 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.