Universal solvent cement
CA 2607785 C · Owner: Parhar, Amrit · Inventors: Hampton, Forest, Iii; Bush, Charles N.; Parhar, Amrit
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A solvent cement for bonding PVC, CPVC and ABS plastic pipe and other molded articles comprises a minor amount of an acrylic resin and one or more solvents capable of dissolving the acrylic resin and further capable of dissolving at least the surfaces of PVC, CPVC and ABS molded articles wherein the acrylic , resin constitutes at least 75 wt.% of the dissolved thermoplastic resin in the cement.
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 February 8, 2006 and granted December 10, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended February 8, 2026.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- 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.