Process for producing laundry detergent and cleaning product tablets
CA 2313356 A1 · Owner: Jung, Dieter · Inventors: Jung, Dieter; Holderbaum, Thomas; Richter, Bernd
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A production process for laundry detergent and cleaning product tablets which is superior to the existing tabletting and extrusion technology in respect of the protection of the ingredients against thermal loads pressure and shearing, which is less complex in terms of the apparatus and more favorable in terms of process economics, and which permits higher throughputs and can be used without great effort for the production of tablets with three or more phases as well comprises, producing (a) deformable mass(es) supplying this mass, with a pressure less than 40 bar to emergence apertures, and cutting and hardening the emergent material strands.
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 July 4, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 4, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 4, 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.