The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 17, 2011
Filed:
Sep. 11, 2002
Anthony Coleman, Caluire, FR;
Philippe Jean-boris Goreloff, Saint Maurice de Beynost, FR;
Anthony Coleman, Caluire, FR;
Philippe Jean-Boris Goreloff, Saint Maurice de Beynost, FR;
Nanoport S.A., , CH;
Abstract
A water dispersible colloidal system in the form of generally spherical matrix type particles and of sizes typically in the range of from 50 to 500 nm, called nanoparticles, and a process for the preparation of such systems. The system is characterized in that the nanoparticles comprise at least one amphiphilically modified calixarene. The water dispersion contains at least one active component such as a cosmetic, a pharmaceutical compound or other biologically active substances, foods, beverages, etc. enclosed within the nanoparticles, in the outer aqueous phase, or in both. The systems show outstanding properties, especially long-life stability even at elevated la temperatures.