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.

Date of Patent:
Jan. 22, 2002

Filed:

Jan. 03, 2000
Applicant:
Assignee:

ATO B.V., Wageningen, NL;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 1/502 ; C08L 5/00 ;
U.S. Cl.
CPC ...
B32B 1/502 ; C08L 5/00 ;
Abstract

Microspheres having a particle size of 50 nm to 1 nm and a polydispersity of less than 40%, consisting of a chemically cross-linked starch shell containing an active ingredient, are obtained by preparing an oil-in-water emulsion of the active ingredient in a hydrophobic phase and starch or a dispersion of a solid active ingredient and starch in water, incorporating the oil-in-water emulsion or solid dispersion in an outer hydrophobic phase, particles of the oil-in-water emulsion or solid dispersion being formed in the outer hydrophobic phase, cross-linking the starch or derivative thereof and removing the outer hydrophobic phase if desired.


Find Patent Forward Citations

Van Soest, Jeroen Johannes Gerardus. (2002). Encapsulation of active ingredients (U.S. Patent No. 6340527). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6340527

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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