Metallic flake containing coating compositions having improved glamour
CA 2339074 A1 · Owner: Huybrechts, Josef · Inventors: Kirshenbaum, Kenneth S.; Visscher, Karyn B.; Huybrechts, Josef
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
This invention provides for an aqueous metallic flake containing coating composition having improved glamour. The coating composition includes a neutralized phosphated segmented copolymer dispersed in an aqueous carrier. The, phosphorous moiety in the segmented copolymer passivates the metallic flakes such, as aluminum flakes, used to produce the glamour. As a result generation of , hydrogen, gas is substantially reduced. The segmented copolymer is provided with hydrophobic, and nonionic hydrophilic segments. Applicants have discovered that by including a, nonionic hydrophilic segment in the segmented copolymer glamour of the , resultant, coating composition can be improved. Furthermore …
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 March 2, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 2, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 2, 2023.
- 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.