Process for rapid dyeing of textiles
CA 1103411 A · Owner: United States Department Of Commerce · Inventors: Wasley, William L.; Pittman, Allen G.; Getchell, Nelson F.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Textile fibers are dyed in a dyebath containing dye and ethylene glycol as the solvent. Generally the, dyeing is conducted at a temperature of about 110 to 165°C. until the desired level of dyeing is attained. Excellent results are obtained in a short time period e.g. from, about 2 seconds to 10 minutes. - 1 -
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 June 23, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 23, 1998.
- 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.