Nanoparticles comprising calcium phosphate ethylene imine compositions and methods of production thereof
AssigneePENTAX Corporation
InventorsAkira YAMAMOTO, Yusuke IIMORI, Mae KOYAMA
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Abstract
Highly dispersible inorganic compound nanoparticles modified by functional molecules include the functional molecules; a high molecular nitrogen compound having at least two amino groups selected from primary amino groups, secondary amino groups and tertiary amino groups; and inorganic compound nanoparticles bonded to at least one amino group of the at least two amino groups. The high molecular nitrogen compound is modified by the functional molecules, and the inorganic compound nanoparticles are covered with the high molecular nitrogen compound modified by the functional molecules.
Claims18
A modified calcium phosphate nanoparticle comprising:
- a calcium phosphate nanoparticle, bonded to a polymer of ethylene imine through at least one amino group of the polymer of ethylene imine, wherein the polymer of ethylene imine is modified by at least one functional molecule
- wherein the number average molecular weight of the polymer of ethylene imine is in the range of from 800 to 100,000.
-6. (canceled)
(canceled)
A method of production for highly dispersible inorganic compound nanoparticles, comprising:
- reacting functional molecules with a high molecular nitrogen compound having at least two amino groups selected from primary amino groups, secondary amino groups and tertiary amino groups;
- mixing a solution containing said high molecular nitrogen compound modified by said functional molecules formed and inorganic compound nanoparticles;
- centrifuging the mixture after ultrasonicating;
- collecting a supernatant of said mixture;
- and
- drying said supernatant.
Dependencies are inferred from the claim text.