Manufacture of detergent bars
CA 1182025 A · Owner: Unilever Limited · Inventors: Smilovitz, Ira; Osmer, Frederick S.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract, Striated detergent bars can be manufactured by introducing a visually distinct liquid into a detergent mass at the final plodding stage. Titanium dioxide (titania) can be added in stable slurry form using a water/polyhydric alcohol liquid base. The bars have good properties and display satisfactory striations.
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 February 5, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 5, 2002.
- 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.