Hydrotalcite and synthetic resin composition
CA 2579421 C · Owner: Tsujimoto, Hideo · Inventors: Kurato, Masato; Suzuki, Masahiro; Tsujimoto, Hideo
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
It is an object of the present invention to provide hydrotalcite which can inhibit a white discoloration by water of a polyolefin film for agricultural uses a blooming to the , surface of a vinyl chloride resin film a reduction in electric , resistance in the case of using the hydrotalcite as a stabilizer of a vinyl chloride resin for covering wires the occurrence , of die drool in the case of using the hydrotalcite as a neutralizer of an acid catalyst residue in a polyolefin resin or a copolymer thereof, and coloring (yellowing) in extrusion in preparing pellets and can be suitably used as a resin additive a method , of producing the same and a synthetic resin composition containing …
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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 June 14, 2005 and granted June 11, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended June 14, 2025.
- 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.