Patent · US Expired

Microcapsule dispersions

US4403051A · kind A · utility

0Cited by
4References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 9, 1980
Grant dateSep 6, 1983
Priority date
Expiry dateJun 9, 2000

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB41M5/1243
  • WIPO fieldTextile and paper machines
  • WIPO sectorMechanical engineering

Abstract

This invention concerns with an improved microcapsule dispersion prepared by adding the following components to a known microcapsule dispersion containing PVA; a pulp having a specific weighted average fiber length, another type of pulp, carboxymethyl cellulose and/or a specified periodic acid type compound, and is characterized by overcoming the drawbacks of known microcapsule dispersions attended by use of PVA.

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