Detergent composition
CA 1308374 C · Owner: Schulte, Uwe Gunter · Inventors: Nooi, Jacobus Roelof; Schulte, Uwe Gunter; Martin, John Robert
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
C.3044, A B S T R A C T, Fabric washing compositions containing a surfactant which is usually an anionic and/or nonionic surfactant and optionally other conventional ingredients such as builders, bleaches etc additionally contain both cellulase and a clay, particularly a smectite clay to provide a, softening benefit on cellulosic fabrics. The compositions may also contain cationic antistatic agents.
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 October 6, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 6, 2009.
- 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.