Stable liquid detergent compositions
CA 1315635 C · Owner: The Procter & Gamble Company · Inventors: Jacobsen, Ronald L.; Mermelstein, Robert; Caravajal, Gregory S.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Heavy-duty liquid detergents containing sulfonate surfactant, ethoxylated nonionic surfactant alkyl or, alkenyl succinate and citrate builders a neutralization, system comprising potassium and sodium ions and preferably, a low level of alkanolamine and a solvent, system comprising propylene glycol and water. The compositions are isotropic liquids providing a high level of detergency performance and good chlorine bleach compatibility. Preferred compositions also contain an alkyl amine-anionic surfactant ion pair complex as a fabric care agent, and are in the form of a stable homogeneous suspension.
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 April 6, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 6, 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.