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:
Jul. 27, 2010
Filed:
Mar. 02, 2001
Steffen Panzner, Halle, DE;
Gerold Endert, Halle, DE;
Frank Essler, Halle, DE;
Anja Behrens, Leipzig, DE;
Silke Lutz, Halle, DE;
Cornelia Panzner, Halle, DE;
Steffen Panzner, Halle, DE;
Gerold Endert, Halle, DE;
Frank Essler, Halle, DE;
Anja Behrens, Leipzig, DE;
Silke Lutz, Halle, DE;
Cornelia Panzner, Halle, DE;
Novosom AG, Halle, DE;
Abstract
A method for the production of nano- or microcapsules having a diameter of from 20 nm to 40 μm is suggested, wherein template particles are supplied in an aqueous medium, electrically recharged with a polyelectrolyte, re-recharged without separation or washing steps using a second polyelectrolyte having a complementary charge with respect to the first polyelectrolyte, and said process is optionally continued with alternately charged polyelectrolytes.