Soft water-permeable polyolefin nonwovens having opaque characteristics
CA 1295798 C · Owner: Fibervisions L.P. · Inventors: Modrak, James Patrick; Roberts, Owen Phillip
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of Disclosure, A nonwoven fabric containing not less than about 25% based on total web weight of the nonwoven fabric of poly-, olefin filaments having a delta cross-sectional configuration, an initial spun denier not exceeding about 4 denier per filament (dpf), and a final drawn denier of not less than about 1 dpf.
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 February 18, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 18, 2009.
- 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.