Dampener roll cover and methods of preparation and use thereof
CA 1329051 C · Owner: Goossen, Charles G. · Inventors: Goossen, Charles G.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract, A cylindrical sleeve of non-woven web material comprised of partially hydrolyzed acrylic fibers useful as a dampener roll cover in lithograhic printing is provided. The sleeve has excellent strength as well as improved water absorption. Methods of preparing the sleeve and of using the sleeve in lithographic printing are also provided.
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 May 3, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 3, 2011.
- 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.