Nova Patents
EP0232001A3

Encapsulated colorants

Abstract

Microcapsules having colorant on their exterior surfaces can transfer the colorant when the capsules contain liquids which wet the colorant.

Term

Term ended

Projected expiry passed 7 January 2007, 19.7 years ago.

  1. Priority
  2. Filed
  3. Published
  4. Projected expiry
  5. Today

Every citation, both ways

Citations
DocumentRelationOfficeCategoryCited during
EP0161091A2CitesEuropean Patent Office (EPO)ASearch report
US3516941ACitesUnited States of AmericaADSearch report
US3919110ACitesUnited States of AmericaASearch report
US4307169ACitesUnited States of AmericaADSearch report
US4450221ACitesUnited States of AmericaADSearch report