Clean conditioning compositions for hair
CA 2081359 A1 · Owner: Etter, Sue A. · Inventors: Etter, Sue A.; Mccall, Patrick C.; Setser, Drew D.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Disclosed are hair conditioning compositions which provide cleaner hair conditioning than is experienced with traditional hair conditioners based on quaternary ammonium compounds and lipid materials. The present conditioning compositions are based on a substantially non-depositing vehicle base which comprises a primary thickening agent which is a nonionic long chain alkylated cellulose ether, a secondary thickening agent which is a water insoluble surfactant, and a compatible solvent. These compositions comprise a mixture of conditioning agents including silicone conditioning agents, cationic surfactant conditioning agents and high levels of, fatty alcohol conditioning agents. These …
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 April 18, 1991. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended April 18, 2011.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 18, 2013.
- 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.