Patent · US Expired

Micro-capsules comprising a capsule core containing water-soluble substances

US7018711B2 · kind B2 · utility

1Cited by

5References

10Claims

0Family size

Assignee

BASF SE

Inventors

Dirk Wulff · Schifferstadt, DE
Ekkehard Jahns · Weinheim, DE
Harald Röckel · Neustadt, DE
Volker Schehlmann · Schifferstadt, DE

Key dates

Filing date	Apr 20, 2002
Grant date	Mar 28, 2006
Priority date	—
Expiry date	Sep 7, 2022

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/2985
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

Microcapsules having a capsule core comprising water-soluble organic substances, and a capsule coating which is a condensate of formaldehyde resins and/or alkyl ethers thereof, a process for their preparation, their use, and compositions comprising the microcapsules.

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