Toilet soap containing polymeric thickener
CA 1282294 C · Owner: Nagarajan, Madukkarai K. · Inventors: Nagarajan, Madukkarai K.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Toilet soap in solid form is the subject of this invention which contains 0.01 to 10% by weight of a polymeric thickener to impart to the soap improved processability, texture, humectancy and lather quality and quantity, suitable thickeners include homopolymers of mono- and dicarboxylic acids of 3 to 5 carbons and copolymers thereof with up to about 75% by weight of one or more copolymerizable monomers wherein the copolymers contain polymerized therein not more than 30% by weight of an acrylic amide; and homopolymers of lower alkyl acrylates and copolymers thereof, and salts and/or mixtures thereof.
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 2, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 2, 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.