Encapsulated humectant
CA 1332153 C · Owner: Wallach, Donald F.H. · Inventors: Wallach, Donald F.H.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An humectant for use in external animal care products comprising the moisturizer encapsulated in a paucilamellar lipid vesicle with an oil filled center said, paucilamellar lipid vesicle having a nonphospholipid surfactant as its major lipid component said, nonphospholipid surfactant being selected from a group consisting of polyoxyethylene acyl ethers; glycerol monostearate; glycerol monooleate; polyoxyethylene sorbitan oleates, palmitates, and stearates, polyoxyethylene lauryl ethers and polyoxyethylene cetyl ethers.
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 September 27, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 27, 2011.
- 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.