Process for simultaneously providing synthetic textile materials with an antistatic and dirt- repellent finish
CA 1097461 A · Owner: Ciba Specialty Chemicals Holding Inc. · Inventors: Keller, Rudolf; Topfl, Rosemarie
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A process for simultaneously providing synthetic textile materials with an antistatic and dirt-repellent finish which process comprises treating said textile materials with an aqueous preparation which contains (a) a copolymer of an .alpha..beta.-unsaturated dicarboxylic acid or the anhydride thereof and at least one other ethylenically unsaturated compound and, (b) a fatty acid/alkanolamine reaction product or an alkylene oxide adduct of this reaction product and subsequently drying them.
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 March 17, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 17, 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.