Surfactant-containing insulation binder
CA 2444012 C · Owner: Hinze, Jay W. · Inventors: Chen, Liang; Hager, William G.; Hinze, Jay W.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A fiberglass insulation binder composition made from a polycarboxy polymer a , polyhydroxy crosslinking agent, and a cationic surfactant amphoteric , surfactant, nonionic surfactant or mixture thereof. Also, a process for manufacturing a fiberglass insulation product which involves a step of , applying the binder composition onto a fiberglass substrate and curing the fiberglass substrate so treated. Binders produced in accordance with the present invention are characterized by improved atomization improved binder , dispersion and fiber wetting properties and improved protection of individual fibers during processing.
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 May 28, 2002 and granted May 17, 2011. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended May 28, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 28, 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.