Water dispersible polyester compositions
CA 1206683 A · Owner: The Goodyear Tire & Rubber Company · Inventors: Tung, William C.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Water soluble polyester compositions which upon cure, are water insoluble. These water-based polyesters are made utilizing hydantoin compounds with salts of a compound containing a sulfo acid group therein. Such compositions are useful as coatings paints, and the like and eliminate any recovery problems or toxicity problems normally related with many organic solvents.
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 June 24, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 24, 2003.
- 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.