Adducts of metabrominated phenols and polyfunctional epoxides
CA 1310334 C · Owner: The Dow Chemical Company · Inventors: Wang, Chun S.; Mendoza, Abel
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Adducts of metabrominated monophenols such as 3,5-dibromo-2,4,6-trimethylphenol and multifunctional epoxides such as cresol-formaldehyde epoxy novolac resins are disclosed to be useful in formulations for encapsulating electronic components. Compositions comprising a glycidyl ether of a metabrominated monophenol such as glycidyl ethers of 3,5-dibromo-2,4,6-trimethylphenol and a polyepoxide having an average of more than one vicinal epoxide group per molecule such as cresol-formaldehyde epoxy novolac resin are also disclosed to be useful in formulations for encapulating electronic components.
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 17, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 17, 2009.
- 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.