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:
Feb. 21, 2012
Filed:
Feb. 06, 2008
Laurent Cavin, Fechy, CH;
Cedric Geffroy, Poitier, FR;
Ian Michael Harrison, Poissy, FR;
Jutta Hotz, Zurich, CH;
Marion Mathys, Duebendorf, CH;
Christian Quellet, Biel, CH;
Laurent Cavin, Fechy, CH;
Cedric Geffroy, Poitier, FR;
Ian Michael Harrison, Poissy, FR;
Jutta Hotz, Zurich, CH;
Marion Mathys, Duebendorf, CH;
Christian Quellet, Biel, CH;
Givaudan SA, Vernier, CH;
Abstract
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%, preferably from 60-85%, of a terpolymer and from 10-50%, preferably from 10-25%, of a polymeric stabilizer; the terpolymer comprising: (a) from 20-60%, preferably 30-50% of moieties derived from at least one polyamine, (b) from 3-50%, preferably 5-25% of moieties derived from at least one aromatic polyol; and (c) from 20-70%, preferably 40-60% of alkylene or alkylenoxy moieties having 1 to 6 methylene units, preferably 1 to 4 methylene units and most preferably 1 methylene unit; the microcapsules additionally optionally comprising up to 25%, preferably up to 10% of a cationic polymer. The microcapsules are useful for the storage and dissemination of fragrance in various products, such as laundry products and fabric care products.