Process and composition for protecting and cushioning protrusions
CA 1315469 C · Owner: Netherton, David C. · Inventors: Netherton, David C.; Locke, Ralph J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A process for packaging a product particularly one, with sharp protrusions a composition for cushioning the, sharp protrusions during packaging and a foamed material prepared therefore, the process including the steps of applying a foamed composition to the product to be packaged; and encasing the product in an outer package. The foamed material can be applied in liquid or semiliquid form at a point-of-contact temperature less than about 130° F and solidifies substantially on contact. The foamed material is preferably, applied selectively to cover the sharp protrusions and contains a chemical substrate containing polymer having the general formula, a resin and a stabilizer. A suitable gas …
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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 30, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 30, 2010.
- 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.