Multi-layered plastic container providing good product drainage
CA 2285108 A1 · Owner: Furumichi, Hiroshi · Inventors: Furumichi, Hiroshi; Hattori, Tomokazu; Zamora, Pauline Cruz
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Disclosed is a multi-layered plastic container (10) that substantially enhances product drainage and reduces product residual levels trapped in the container, especially for viscous liquid products including oil-in-water , emulsions, water-in-oil emulsions polymeric gels, foams, surfactant mixtures dispersions, colloidal dispersions, suspensions polymer solutions, polymer , melts, and products like catsup mustard, syrup, etc. In a particularly preferred embodiment, the plastic container is made by blow-molding an extruded parison having an outer polyolefin layer (14) an intermediate , adhesive layer (18), and an inner product-contacting layer (16) of a polyester material such as …
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 March 24, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 24, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 24, 2020.
- 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.