Acrylic-functional silicone resin compositions
CA 1262989 C · Owner: Tolentino, Luisito Alvarez · Inventors: Tolentino, Luisito Alvarez
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract, There is provided a cuble silicone composition comprising:, (a) from 75 to 100 mole percent chemically combined siloxy units selected from the group consisting of R3SiO0.5 units, RSiO1.5 units and SiO2 units; and (b) from 0 to 25 mole percent R2SiO units there being present a number of R unlts having he general formula:, effective for curing said silicone resin upon exposure to ultraviolet radiation in the presence of a photoinitiator or upon heating in the presence of a free radical type catalyst.
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
- Granted November 14, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 14, 2006.
- 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.