Treating textile fibres
CA 1188463 A · Owner: Dow Corning Limited · Inventors: Burrill, Peter M; Westall, Stephen
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The removal of oily soil from textile fibres which have been treated with organosiloxanes, e.g. for improved handle or crease recovery, is facilitated if the fibres are also treated with an organosilane of the general formula Y3SiRN+(R")2R'X, in which Y is hydrocarbon alkoxy or alkoxyalkoxy, at least, one Y being alkoxy or alkoxyalkoxy R represents a divalent, hydrocarbon or hydrocarbonoxy group R' represents a monova-, lent hydrocarbon group or an alkyleneoxy or polyalkyleneoxy group, each R" represents methyl or ethyl and X represents a halogen atom.
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 June 11, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 11, 2002.
- 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.