Patent · US Expired

Photodegradable microcapsules

US4766037A · kind A · utility

19Cited by
5References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 9, 1986
Grant dateAug 23, 1988
Priority date
Expiry dateSep 9, 2006

Classification

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

Abstract

A photodegradable microcapsule is described which has a wall made of a polymer coat having an acid-decomposable bond selected from a silylether bond and a silylureido bond and which contains a compound that generates an acid upon light irradiation.

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