Liquid, foaming detergent composition of increased viscosity
CA 2055650 A1 · Owner: Hoffman, Heinz · Inventors: Balzer, Dieter; Hoffman, Heinz
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A liquid, foaming detergent composition comprising 5 to 40% by weight of an alkylpolyglycoside 0.1 to 2.9% by weight, of an anionic surfactant and 0 to 3% by weight of other surfactants is disclosed. The alkylpolyglycosides satisfy the formula, R-O-Zn, where R is an aliphatic alkyl radical having 10 to 18 carbon atoms and Zn is a polyglycosyl radical with n = 1 to 3 hexose or pentose units. The composition possesses all advantageous properties of conventional dishwashing detergents an improved, viscosity and excellent biodegradability. It is particularly useful as a manual dishwashing material.
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
- Filed November 15, 1991. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 15, 2011.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 15, 2013.
- 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.