Patent · US Active

Method for the production of scent capsules with improved surfactant stability

US10876081B2 · kind B2 · utility

0Cited by
2References
19Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 29, 2016
Grant dateDec 29, 2020
Priority date
Expiry dateApr 29, 2036

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB01J13/02
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

The invention relates to a method for producing scent capsules with improved surfactant stability, comprising the following steps: (a) providing a scent composition containing at least one scent which has at least one functional group that can form an acid group by means of oxidation or hydrolysis, and (b) encapsulating the scent mixture, characterised in that a scent composition is used that has an acid value of no more than 5 mg KOH/g immediately before encapsulation.

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