Sachet with increased content quantity
CA 2304515 A1 · Owner: Rogers, Neil John · Inventors: Rogers, Neil John; Deflander, Joseph Fernand
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention relates to a process for producing a four sided seal sachet (10) filled with a pre-set volume of flowable material the sachet , being made from a flexible film comprising a metallocene catalysed resin the , sachet having a length L (11) between transverse seals (71) and a width W (12) between longitudinal seals (70), whereby the pre-set volume of flowable material is of more than 0.525xW2xL/.pi. so that leak-free seals are provided.
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 September 22, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended September 22, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 22, 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.