Liquid free-flowing pumpable surfactant concentrate
CA 2088067 A1 · Owner: Giesen, Brigitte · Inventors: Giesen, Brigitte
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract, The concentrates consist essentially of 30 to 70% by weight water, 15 to 50% by weight of an alkyl glycoside corresponding to the formula R1-O(G)n, in which R1 is a C8-22 alkyl radical, G is a glycose unit and n is a number of 1 to 10, 3 to 25% by weight of an ethoxylated amide corresponding to the formula R2-CO-NH-(CH2CH2O)p-H in which R2, is a C7-21 alkyl radical and p is a number of 3 to 11 and optionally 10 to 20% by weight of an alkyl sulfate corresponding to the formula R3-O-SO3x, in which R3 is a C8-22 alkyl radical and X is an alkali metal or ammonium ion. The detergent mixtures are used as storable free-flowing, and pumpable compounds, preferably for the production of …
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 July 15, 1991. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 15, 2011.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 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.