Suds suppressor compositions and their use in detergent compositions
CA 1231024 A · Owner: The Procter & Gamble Company · Inventors: Pell, Russell; Gowland, Maxim S.; Johnson, Stephen A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A suds suppressor compositon comprising as suds-suppressor, a blend of:, (i) a high shear mix of polydimethylsiloxane (PDMS) and hydrophobic silica, the PDMS having a viscosity of from 20 to 12,500 cs and, (ii) PDMS having a viscosity of at least 25,000 cs wherein the blend has a viscosity of at least 18,000 cs, the suds suppressor being dispersed in a water-soluble or water-dispersible organic carrier comprising: (i) from 1% to 100% of a first carrier component melting in the range from 38°C to 90°C and, (ii) from 0% to 99% of a second carrier component which is an ethoxylated nonionic surfactant melting in the range from 5°C to 36°C. The compositions are particularly suitable in …
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
- Granted January 5, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 5, 2005.
- 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.