Additive for alkyd resin coating compositions
CA 1258939 A · Owner: E. I. Du Pont De Nemours And Company · Inventors: Miller, Lester I.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
TITLE, Additive for Alkyd Resin, Coating Compositions ABSTRACT, An additive for alkyd resin coating compositions which is a blend of a polyisocyanate where R is a hydrocarbon group having 6 carbon atoms, dibutyltindilaurate and an organic solvent. Alkyd coating compositions containing this additive are used for coating automobiles and trucks and have good initial gloss and hardness and good gloss retention on weathering.
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 August 29, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 29, 2006.
- 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.