Fabric rinse composition comprising a triazine uv absorber
CA 2438800 A1 · Owner: Rohwer, Hauke · Inventors: Hochberg, Robert; Rohwer, Hauke
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Disclosed is a fabric rinse composition comprising a) 0.1 to 10% by weight of a UV absorber selected from a hydroxyaryl-1 3, 5- triazine of the formula , (I), wherein R1 is hydrogen; c1-c4-Alkoxy; or halogen; R2 is mono-C1-C4 alkylamino; a radical of the formula (I'); X is C2-C4 alkylen; Y1 Y2 , independently from each other are C1-C4 alkyl or C1-C4 alkyl which is substituted by halogen, cyano hydroxy or C1-C4 alkoxy; or Y1 and Y2 or Y1 and Y3 together with the nitrogen atom form a 5- to 7- membered heterocycle; Y3 is hydrogene; C1-C4 alkyl; C3-C4 alkenyl; or C1-C4 alkyl C3-C4 alkenyl which is , substituted by cyano hydroxy, C1-C4 alkoxy, phenyl or C1-C4 alkoxycarbonyl; or Y1, Y2 and …
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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 March 19, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 19, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 19, 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.