Process and apparatus for treating cellulosic fiber-containing fabric
CA 2101050 A1 · Owner: American Laundry Machinery, Inc. · Inventors: Shattuck, Ewart H.; Mcclain, David R.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A process and apparatus for treating fabric articles containing cellulosic material to provide control shrinkage and durable-press properties for the fabric includes a system for exposing the fabric to an aerosol mist that uniformly supplies a liquid cellulosic cross linking agent and moisture to the fabric. Optionally a, liquid catalyst can be incorporated in the aerosol mist whereby, each droplet of the aerosol mist contains liquid cellulosic cross linking agent, moisture and catalyst promoting cross linking agent. Exposure of the fabric to the aerosol mist containing moisture, cross linking agent and catalyst the fabric is cross linked at, an elevated temperature and subsequently …
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 23, 1992. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended January 23, 2012.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 23, 2014.
- 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.