Bonded nonwoven fabrics and methods for manufacturing the same
CA 1094407 A · Owner: Johnson & Johnson · Inventors: Drelich, Arthur H.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A new monwoven fabric comprising a layer of fibers and from about 2 percent to 25 percent by weight of the fiber layer of an in situ polymerized resin binder. The new nonwoven fabric has a dry strenght of at least 2.5 pounds per inch of width per 100 grains per square yard and a wet strength of at least 80 percent of the dry strength.
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 27, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 27, 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.