Process for the continuous conversion of meta-kaolin into very finely-divided zeolitic sodium aluminosilicate
CA 1186294 A · Owner: Henkel Kommanditgesellschaft Auf Aktien (Henkel Kgaa) · Inventors: Christophliemk, Peter; Wust, Willi
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
In a process for the conversion of meta-kaolin into an aqueous, alkaline suspension of low-grit water-, containing, zeolitic sodium aluminosilicate of the smallest particle size having the molar composition: 0.9 to 1.1 Na2O : 1 Al2O3 : 1.8 to 2.3 SiO2 with a water content depending on the degree of drying which contains at least 99.8% by weight of a particle size of less than 25µ and has a high cation exchange capability the improvement consisting of: slowly heating a suspension of reactants to a zeolitization temperature in the range of from 70 to 100°C, with a temperature rise averaging 20°C within a period of from two to ten minutes; feeding the suspension preferably before the slow …
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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 April 30, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 30, 2002.
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Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.