Patent · US Expired

Digester

US4512956A · kind A · utility

21Cited by
9References
12Claims
0Family size

Inventors

Key dates

Filing dateNov 14, 1983
Grant dateApr 23, 1985
Priority date
Expiry dateNov 14, 2003

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB01D11/0276
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A rotary digester comprises a shell having means at one end for entry of material to be digested and, at the opposite end, a liquids outlet surrounded by a solids outlets. The solids outlet has a screw which assists in preventing egress of unwanted liquid with the solids.

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