Liquid detergent composition
CA 1231026 A · Owner: Unilever Plc · Inventors: Nedonchelle, Yvon J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An aqueous liquid detergent composition comprises in addition to water, detergent active compound at least, one water-soluble dicarboxylic acid having from 5 to 7 carbon atoms in the molecule and having a solubility in water of from 1 to 70g/100g water at 20°C and at least, one organic solvent having a boiling point of from 120° to 280°C and chosen from alkylene and polyalkylene glycols having from 2 to 9 carbon atoms in the molecule and the C1 to C4 alkyl ethers thereof containing a total of from 3 to 14 carbon atoms in the molecule.
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 January 5, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 5, 2005.
- 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.