Washing agent compositions including aluminosilicates and nta and processes of washing
CA 1058046 A · Owner: Henkel Kommanditgesellschaft Auf Aktien (Henkel Kgaa) · Inventors: Jung, Dieter; Schwuger, Milan J.; Smolka, Heinz
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method of treating soiled textiles wherein the, soiled textiles are immersed in an aqueous liquor which contains compounds inhibiting alkaline earth metal ion precipitation on said soiled textiles comprising using (1) at least one finely-dispersed, water-insoluble silicate compound having a calcium-binding power of at least 50 mg CaO/gm of anhydrous active substance and having the formula combined water not shown, (M2/nO)x Me203 (SiO2)y where M is a cation of the valence n, exchangeable with calcium x is a number of from 0.7 to 1.5, Me is aluminum or boron and, y is a number from 0.8 to 6, and (2) a combination of A) a water-soluble salt exchangeable with calcium of nitrilotriacetic acid …
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 July 10, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 10, 1996.
- 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.