Foamable composition exhibiting instant thixotrophic gelling
CA 2381872 A1 · Owner: Giorgini, Albert M. · Inventors: Giorgini, Albert M.; Hagquist, James A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to a foamable composition comprising at least two parts. The first part comprises a polyol a thixotropic gelling agent, a blowing agent, a urethane, reaction catalyst and a isocyanurate reaction catalyst. The second part comprises at least, one isocyanate. A foam mass can be prepared by combining the first part polyol component with the second part isocyanate component. The composition is foamable, under water and exhibits, upon foaming under water substantially the same wet , foam, density and dry foam density. The invention also relates to a method of repairing or, reinforcing structural members having defects such as spike holes left after spike removal, from …
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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 April 17, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended April 17, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 17, 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.