Plastic molding composition comprising resin, organic fibers, and micron sized filler
CA 1057882 A · Owner: G A F Corporation · Inventors: Chandler, Herman
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A plastic formulation is disclosed suitable for the manufacture of tile and the like. The formula comprises an intimate mixture of a resin and an organic fibrous filler. In accordance with this invention the, plastic formulation also comprises in uniform dispersion, from 20 per cent to 80 per cent by weight of a particulate filler such as calcium carbonate, having a particle size of no more than 20 microns. This extremely fine particulate filler facilitates the uniform dispersion of the organic, fibrous filler.
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 July 3, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 3, 1996.
- 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.