Size for glass fiber which provides improved forming and bonding properties
CA 1096524 A · Owner: Owens-Corning Fiberglas Corporation · Inventors: Krautz, Fred G.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A water size containing an emulsion of a film forming polymer, and the reaction product of a secondary amine and a fatty acid as a combination wet lubricant innocuous dry lubri-, cant, and bonding agent. The secondary amine has two side chains each of which contain an OH group. These side chains may have appreciable lengths provided there is one oxygen atom for every 4 carbon atoms.
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 24, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 24, 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.