Articles for conditioning fabrics in a laundry dryer
CA 1279156 C · Owner: Swihart, Terence J. · Inventors: Kasprzak, Kenneth A.; Swihart, Terence J.; Ward, Andrew H.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Antistatic fabric softening articles comprising cationic fabric softening agents in combination with a polydiorganosiloxane component on a flexible substrate are described. The polydiorganosiloxane component may be a polydimethylsiloxane, a polyphenylmethylsiloxane or a, dimethylsiloxane-glycol copolymer. The fabric conditioning composition is releasably affixed or incorporated into a substrate from which it is transferred to fabrics in an automatic laundry dryer.
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 January 22, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 22, 2008.
- 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.