Method and apparatus for separating soap
CA 2296289 A1 · Owner: Heinamaki, Pasi · Inventors: Heinamaki, Pasi; Pikka, Olavi; Vehmaa, Janne
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention relates to a method and apparatus for separating soap from liquor in a filtrate tank. The method and apparatus according to the invention are particularly well suited for treating soap-containing filtrates from digester houses, bleach plants and washer rooms in the chemical wood processing industry. A characteristic feature of the method and apparatus according to the invention is that there are means arranged in the filtrate tank for generating a horizontal draw between the soap collecting devices and the soap.
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 January 19, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended January 19, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 19, 2022.
- 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.