Foundry binder systems based upon acrylated epoxy resins and epoxy resins
CA 1339172 C · Owner: Ashland Licensing And Intellectual Property Llc · Inventors: Gruber, Bruce A.; Schriver, H. Randall; Dunnavant, William R.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The subject invention relates to foundry binder systems which are cured with gaseous sulfur dioxide comprising as, separate components:, 1. a blend of an acrylated epoxy resin and a monoester solvent and;, 2. an organic solvent; and a blend of an epoxy resin and an aromatic hydrocarbon solvent which is part of component (a) (b), or both. The invention also relates to the use of the foundry binder systems to prepare foundry mixes foundry shapes, and, metal articles.
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 July 29, 1997. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 29, 2014.
- 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.