Free flowing high bulk density particulate detergent softener
CA 1100377 A · Owner: Colgate-Palmolive Company · Inventors: Wixon, Harold E.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A free flowing particulate detergent-softener of high bulk density is comprised of nucleus particles of builder salt preferably 3 mixture of, sodium carbonate and sodium bicarbonate having nonionic detergent in the, interior and on the surface thereof to which is adhered a coating of smaller particles of ion exchanging z?olite, and quaternary ammonium halide fabric softening compound. In a preferred embodiment of the invention the quaternary ammonium halide is "insulated" from immediate contact with laundry when the detergent-softener is added to the wash water by being added to the nucleus particles with the nonionic detergent, after which the resulting particles are coated with the …
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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 May 5, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 5, 1998.
- 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.