Laundry soil and stain remover
CA 1283613 C · Owner: Reckitt Benckiser Inc. · Inventors: Sabol, John Stephen Jr.; Kester, Wayne Albert
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A prelaundering composition in solid stick-like form including a surfactant and laundry enzymes homogeneously dispersed throughout a semi- -hard carrier vehicle including in-situ formed sodium stearate. Various salts added to the composition of the invention are effective to modify controllably and independently, particular physical and chemical parameters of the composition including, texture, consistency, hardness melting point and pH, to optimize the rheology and the softening range of the product and to enhance related functional features.
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 April 30, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 30, 2008.
- 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.