Patent · US Expired

Suspensions containing microfibrillated cellulose

US4452721A · kind A · utility

43Cited by
8References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 15, 1982
Grant dateJun 5, 1984
Priority date
Expiry dateNov 15, 2002

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S516/93
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

A suspension of a finely divided material in a liquid suspending medium which swells cellulose, the suspension containing microfibrillated cellulose in an amount sufficient to produce a stable, homogeneous suspension. The finely divided material is a dense solid such as coal or sand.

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