Luminescent material dispersion comprising mixed polymers of vinyl pyridines and methacrylates
CA 1096682 A · Owner: N.V. Philips Gloeilampenfabrieken · Inventors: Zwanenburg, Dirk J.; Junginger, Hans-Georg
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
PHD 76-112, 6.5.1977, ABSTRACT:, A proper adherance of the luminescent material particles to the surface of the photoconductor is obtained when the following mixed polymers are used as non-ionic macromolecular compounds:, a) mixed polymers of vinyl pyridines and methacrylates wherein the methacrylates have been esterified with alkyl groups having 6 to 18, preferably 10 to 14, carbon atoms b) and/or mixed polymers of vinyl pyridines and methacrylates wherein the methacrylates have been partly esterified with alkyl groups having 1 to 6 carbon atoms and partly with alkyl groups having 14 to 20 carbon atoms.
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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 3, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 3, 1998.
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