Curable storage-stable and solventless single component sealant composition for pneumatic tires
CA 1192686 A · Owner: Firestone Tire & Rubber Company (The) · Inventors: Davis, James A.; Koch, Russell W.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A curable, storaqe-stable and solventless single component sealant for pneumatic tires having as its essential sealant functioning components a liquid low molecular weight hydroxy terminated polybutadiene diol an, antioxidant, a polymeric isocyanate and, a polyurethane, catalyst; this sealant can be blended with a sealant optimizing amount of a masterbatch.
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 27, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 27, 2002.
- 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.