Liquid cleaning products
CA 1317182 C · Owner: Clarke, Terence Allan · Inventors: Van Der Linden, Arie; Van Der Hoeven, Philippus Cornelis; Versluis, Pieter
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Non-aqueous liquid cleaning products are formulated by dispersing particulate solids in an organic solvent by using a structurant or deflocculant which causes a viscosity reduction at low shear rates in that solids/ solvent system or an equivalent system in which the solids volume fraction is sufficiently high to raise the viscosity of the solvent. The organic solvent may be liquid surfactant and/or other kind, The solids are any usable in liquid cleaning products. The structurant is any acid, salt or base which fulfils the aforementioned test.
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 May 4, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 4, 2010.
- 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.