Oil containing starch granules for delivering benefit-additives to a substrate
CA 2558008 C · Owner: Smith, Daniel W. · Inventors: Popplewell, Lewis Michael; Dwight, Natasha; Mussinan, Cynthia J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An oil containing starch granule is provided comprising: (a) a starch to form an effective matrix for said granule; (b) a perfume oil comprising ingredients having a calculated Clog P of at least 3 said Clog P being the calculated , octanol to water partition coefficient said perfume oil being capable of , providing a benefit-additive to a substrate upon contact therewith said , substrate being selected from the group consisting of fabrics hard surfaces, hair and skin; and (c) an effective amount of a defined organic compound for inhibiting the migration of said oil to the surface of said starch granule.
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 March 17, 2005 and granted May 28, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended March 17, 2025.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- 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.