Method for producing electrostatically non-chargeable and/or electric charge-draining plastic containers and a plastic container produced according to the method
CA 2543168 C · Owner: Schmidt, Klaus-Peter · Inventors: Schubbach, Reinhard; Schmidt, Klaus-Peter
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to a method for producing multi-layered containers from a , thermoplastic material (10), said containers being used to store and transport liquid fillers, especially combustible or explosive fillers and a plastic , container , produced using said method. The inventive containers are provided with a thin permanently electrostatically non-chargeable or electric charge-draining outer layer. According to the invention, the permanently electrostatically non-chargeable or electric charge-draining properties of the outer layer are created by , adding a defined quantity of a specific compound based on a polymer to the base , plastic material of the outer layer and …
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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
- Filed October 21, 2004 and granted September 24, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended October 21, 2024.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
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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.