Crystalline type-a zeolite powder ii
CA 1083553 A · Owner: Henkel Kommanditgesellschaft Auf Aktien · Inventors: Kneitel, Dieter; Roebke, Wolfgang; Parr, Ehrfried
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention provides a crystalline type-A zeolite powder having the composition 1.0 ? 0.2 M2/nO : Al2O3 : 1.85 ? 0.5 SiO2 ? y H2O, wherein M represents a metal cation n its valency and y a value of up to 6 and containing 50% by, weight of particles of a size below a maximum of 4.8 µm as well as having the following particle spectrum The zeolite is inter alia useful as a phosphate substitute in washing, rinsing and cleansing agents.
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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 August 12, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 12, 1997.
- 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.