Detergent composition with improved calcium sequestration capacity
CA 2400646 A1 · Owner: The Procter & Gamble Company · Inventors: Carter, John David; Pancheri, Eugene Joseph; Rohrbaugh, Robert Henry
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
This invention relates to detergent compositions having significantly improved calcium sequestration capacity as well as superior builder capacity in comparison to conventional aluminosilicate builder materials while not , redepositing on fabrics. More particularly this invention relates to , detergent compositions comprising microclusters of submicron crystallites of an aluminosilicate ion exchange material.
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 April 4, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended April 4, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 4, 2023.
- 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.