The surface treatment of nanoparticles to control interfacial properties and method of manufacture
CA 2563085 C · Owner: Brotzman, Richard W. Jr. · Inventors: Brotzman, Richard W. Jr.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A surface treated particle is described that comprises a plurality of inorganic, metallic, semi-metallic, and/or metallic oxide particles and a star-graft copolymer coating with at , least one of looped and linear polymeric structure on a star-graft copolymer obtained by , a heterogeneous polymerization reaction in the particle surface proximity encapsulating , at least a portion of said particles and a method for making the same. The surface , treatment producing the coating comprises: Si (w x, y, z), where: w, x, y, and z are in mole percent, tetrafunctional, trifunctional difunctional, and monofunctional , monomeric units respectively; w, x, y, and z are about 0-15 0-50, 5-99, 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 March 30, 2005 and granted July 15, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended March 30, 2025.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
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Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.