Cleaning articles treated with a high internal phase inverse emulsion
CA 2253357 C · Owner: Trokhan, Paul Dennis · Inventors: Mackey, Larry Neil; Trokhan, Paul Dennis; Hird, Bryn
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to articles useful in cleansing and particularly to wet-, like cleansing wipes that are especially useful for hardsurface cleaning, and in personal cleansing such as baby wipes and particularly for removal of perianal soils. These articles comprise: a carrier and an emulsion applied to the carrier. The emulsion comprises: (1) from about 2 to about 60 % of a continuous solidified lipid phase comprising a waxy lipid material having a melting point of about 30 °C of higher; (2) from about 39 to about 97 % of an internal polar (e.g. water) phase dispersed in the lipid phase; (3) an effective amount of a non-silicon containing emulsifier where the emulsifier, has a …
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 25, 1997 and granted August 6, 2002. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended April 25, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 25, 2019.
- 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.