Use of nylon films in home dry cleaning bags
CA 2318155 A1 · Owner: Moulton, Jeffrey D. · Inventors: Insel, James F.; Moulton, Jeffrey D.; Altman, Carl E.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An improved process for cleaning fabrics in a conventional automatic clothes dryer wherein a plastic bag is formed from a blend of at least one nylon homopolymer and at least one nylon copolymer. Preferably the nylon homopolymer is nylon 6 and the nylon copolymer is nylon 6/66 copolymer. The process includes placing soiled fabrics in the plastic bag placing the plastic bag , into the drum of the dryer and rotating the dryer with the introduction of hot air. This invention also relates to bags formed from such blends which are used in home dry cleaning processes.
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 January 18, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended January 18, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 18, 2021.
- 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.