Gel composition and nail polish
CA 1329366 C · Owner: Ishiwatari, Masaaki · Inventors: Okamoto, Toru; Takahashi, Makoto; Soyama, Yoshikazu
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A gel composition or a nail polish comprising at least one cationic surfactant having a propylene oxide chain and/or an ethylene oxide chain, an organic modified clay mineral and a solvent. Addition of the specific cationic surfactant maintains the good thixotropy due to the organic modified clay mineral and restricts the change in viscosity with time and with a slight change in the content of the organic modified clay mineral to a very narrow range.
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 May 10, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 10, 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.