Fabric care systems for providing anti-wrinkle benefits to fabric
CA 2692290 A1 · Owner: Littig, Janet Sue · Inventors: Zhang, Shulin Larry; Littig, Janet Sue; Casado-Dominiguez, Arturo Luis
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention relates to anti-wrinkle fabric treatment compositions comprising: a) from about 0.01 % to about 20% by weight of a cationic , silicone , polymer or copolymer having formula (I) wherein each Z unit comprises at , least one secondary, tertiary, or quaternary amino moiety or mixtures thereof; CAP is , a , backbone termination or truncation unit; m is from 1 to 50; b) from about 1% to about , 30% by weight, of a scavenger effective in scavenging compounds comprising an anionic unit; and c) the balance a carrier system. In addition the present , invention , relates to fabric rinse additive compositions comprising: a) from about 0.01 % to about , 20% by weight, of 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 July 23, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 23, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 23, 2024.
- 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.