Patent · US Active

Aminoplast microcapsules containing fragrance

US8357651B2 · kind B2 · utility

2Cited by

2References

17Claims

0Family size

Assignee

Givaudan SA · CH

Inventors

Christian Quellet · Bienne, CH
Jutta Hotz · Zürich, CH

Key dates

Filing date	Feb 9, 2009
Grant date	Jan 22, 2013
Priority date	—
Expiry date	Oct 20, 2029

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB01J13/14
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

Aminoplast microcapsules comprising a core of fragrance and a shell of aminoplast polymer, the composition of the shell being from 75-100% of a thermoset resin comprising 50-90% of a terpolymer and from 10-50% of a polymeric stabilizer; the terpolymer comprising: The capsules are competitive with known aminoplast capsules and have the major advantage that they are formaldehyde-free.

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