Glass fiber-reinforced electrical laminates and a continuous production method therefor
CA 1284089 C · Owner: Isshiki, Minoru · Inventors: Fushiki, Yasuo; Imajo, Keiji; Shimomura, Masayoshi
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
There is provided an electrical laminate comprising a cured assemblage of a plurality of glass fiber type substrates impregnated with a curable resin composition containing (a) a halogenated bisphenol type unsaturated polyester resin and (b) an epoxy acrylate resin which may optionally be halogen-containing. This laminate features high dimensional stability improved, through-hole reliability, and excellent mechanical strength. A continuous production method for laminates is also described.
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 May 14, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 14, 2008.
- 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.