Sheet of precipitated polymer material
CA 1099469 A · Owner: Rasmussen, Ole-Bendt · Inventors: Rasmussen, Ole-Bendt
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A paper with textile-like characteristics is provided which is expected to be useful for sanitary, medical surgical and veterinarian, purposes. The sheet consists of at least two layers each consisting, of a polymer precipitate in the form of a three dimensional reticulate fibrous structure with fibre dimensions in range from below 1 micron to a a few microns, each having a predominant direction of polymer grain. The direction of polymer grain in the different layers criss-cross one another.
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 April 21, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 21, 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.