Process for manufacturing particulate detergent composition directly from in situ produced anionic detergent salt
CA 1324745 C · Owner: Barletta, Gualtiero · Inventors: Barletta, Gualtiero; Bianchi, Antonio
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A particulate detergent composition, such as one comprising sodium linear higher alkylbenzene sulfonate (LAS) and bentonite, is made directly from anionic synthetic organic detergent acid by neutralizing such acid with a neutralizing agent, such as aqueous sodium hydroxide solution in a reaction vessel and directly discharging the neutralized detergent salt from the reaction vessel into an absorption zone wherein globules of the anionic detergent salt in aqueous, solution or dispersion, and particulate solid carrier particles are rapidly circulated and repeatedly brought into contact with one another to produce detergent salt - carrier composition particles or agglomerates. In preferred …
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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 November 30, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 30, 2010.
- 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.