Insulated glass and sealant therefore
CA 1098640 A · Owner: Wilson, Floyd, Jr. · Inventors: Wilson, Floyd, Jr.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A specially formulated plasticized cured polyurethane or cured polyether composition which has a combination of properties that make it suitable for use as a sealant for insulated glass, such properties including a very low moisture vapor transmission rate elongation of, at least about 100%, low volatility and excellent adhesion to glass.
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 March 31, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 31, 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.