Nonwoven material for acoustic insulation, and process for manufacture
CA 2603421 C · Owner: Moose, Ronald Timothy · Inventors: Moose, Ronald Timothy; Hurley, Jeffrey S.; Gross, James R.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An improved acoustically and thermally insulating composite material suitable for use in structures such as buildings appliances, and the interior , passenger compartments and exterior components of automotive vehicles comprising at least one airlaid fibrous layer of controlled density and composition and incorporating suitable binding agents and additives as needed to meet expectations for noise abatement fire, and mildew resistance. , Separately an airlaid structure which provides a reduced controlled airflow , therethrough useful for acoustic insulation is provided and which includes a , woven or nonwoven scrim.
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
- Filed March 31, 2006 and granted May 21, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended March 31, 2026.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- 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.