Patent · US Expired

Extruder and process modifying residence time distribution

US5266256A · kind A · utility

12Cited by
8References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 16, 1993
Grant dateNov 30, 1993
Priority date
Expiry dateFeb 16, 2013

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB29K2033/12
  • WIPO fieldOther special machines
  • WIPO sectorMechanical engineering

Abstract

A process is provided for modifying the residence time distribution of materials in an extruder which results in a residence time distribution comparable to that obtained in a continuous stirred tank reactor. An extruder is provided which has a section which modifies the residence time distribution of materials loaded into the extruder.

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