Detergent composition
CA 1059863 A · Owner: The Procter And Gamble Company · Inventors: Rose, Terence J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure Detergent compositions containing particular waterinsoluble metallo- silicate ion exchange builder materials organic surface-active agents and a water-soluble vinyl copolymeric ingredient are provided. These compositions are capable of providing a cleaning performance especially, in hard water, which is substantially identical to what can be obtained from all polyphosphate built detergent compositions. Additionally, a process is disclosed for preparing detergent granules having improved physical properties, particularly breaking resistance and reduced dusting.
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 August 7, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 7, 1996.
- 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.