Patent · US Expired

Photothermographic thermal processor filtration system

US5600396A · kind A · utility

4Cited by
10References
13Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 4, 1995
Grant dateFeb 4, 1997
Priority date
Expiry dateDec 4, 2015

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03D13/002
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A thermal developing unit for the thermal development of photothermographic media which comprises a means for thermally developing photothermographic media by placing said media in contact with a heated element within a case, a first and second opening for venting gas from said case, said first opening being connected to an area surrounding said heated element said second opening being connected to an area within said unit where said media passes after it has been thermally developed, and in a path by which said gas can be vented through at least one of said first or second openings from said case there is a filter cartridge comprising a filter housing containing a chemical filtration media having no bonded absorbent partculates therein.

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