Expandable urethane sealant compositions
CA 1210550 A · Owner: Ford Motor Company Of Canada, Limited · Inventors: Chang, Yun F.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure, This invention relates to expandable urethane compositions adapted for use as sealants. The composition is characterized in comprising a first component comprising a mixture of a hydroxy functional liquid reactive elastomer and metal salts of organic sulfonates and a second component comprising polyisocyanate. Optionally the composition may additionally comprise pigments and/or fillers. The foam sealant exhibits excellent flexibility, abrasion and impact resistance sound deadening properties and advantageously adhesion to oily surfaces.
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 26, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 26, 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.