Textile treatment compositions
CA 1105207 A · Owner: The Procter & Gamble Company · Inventors: De Block, Frans; Goffinet, Pierre C.E.; SõRENSEN, FLEMING
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A textile treatment composition in emulsion form which is based on a mixture of cationic and nonionic softener includes an aromatic monoor di-carboxylic acid as a viscosity modifier. The presence of a carboxylic acid such as benzoic acid or salicylic acid in emulsified mixtures of a di-higher alkyl quaternary ammonium salt and a nonionic material having at least one higher alkyl chain gives a significant increase in viscosity. - 1 -
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 July 21, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 21, 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.