Aqueous polyester coating composition method of making, and coated conductor
CA 1109578 A · Owner: Westinghouse Electric Corporation · Inventors: Thomas, Charles H.; Garland, Barbara R.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A water dispersible polyester resin solution is made by esterifying a mixture, consisting of: about 2.0 moles to about 5.0 moles of an organic dicarboxylic acid, selected from at least one of an aromatic dicarboxylic acid, and tetrahydrophthalic acid; about 0.1 mole to about 1.5 moles of an organic, unsaturated aliphatic dicarboxylic acid; about 0.1 mole to about 6.5 moles of an organic saturated aliphatic, dicarboxylic acid; about 1.0 mole to about 5.0 moles of an organic, alicyclic dihydric alcohol; 0 mole to about 500 moles of an organic, aliphatic dihydric alcohol and about 0.6 mole to about 1.2 moles of a compound effective to cause cross linking; and adding an amount of organic …
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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 September 22, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 22, 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.