Patent · US Active

Fragrant oil encapsulation

US9719058B2 · kind B2 · utility

0Cited by

3References

25Claims

0Family size

Assignee

Papierfabrik August Koehler SE · DE

Inventors

Ralf Bertram · Holzminden, DE
Patrick Ott · Holzminden, DE
Lutz Kuhne · Ohlsbach, DE
Claudia MEIER · Lichtenau, DE
Julien Schroeder · Strasbourg, FR
Stephan Mahler · Kehl, DE
Claus Jurisch · Offenburg, DE

Key dates

Filing date	Jul 25, 2013
Grant date	Aug 1, 2017
Priority date	—
Expiry date	Sep 21, 2033

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/2984
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

The invention relates to microcapsules having a particle size distribution that has at least two maxima, wherein the main maximum of the particle size lies in the range of 5 to 100 μm and wherein the volume assumed by the microcapsules that have a particle size less than ¼ of the particle size of the main maximum is greater than approximately 20% of the total volume of the microcapsules.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.