Patent · US Expired

Encapsulation process and encapsulated products

US6248364A · kind A · utility

39Cited by
16References
13Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 7, 1997
Grant dateJun 19, 2001
Priority date
Expiry dateApr 7, 2017

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB01J13/16
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A process for encapsulating a partially water-miscible organic material within a polyurea or polyurethane shell is provided utilizing a water-soluble tertiary amine in the reaction dispersion. Microcapsules and methods of using microcapsules are also provided.

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