Global patent index - EP 1026544 A1

EP 1026544 A1 2000-08-09 - Emulsion, material and screen/film system for radiological image formation

Title (en)

Emulsion, material and screen/film system for radiological image formation

Title (de)

Emulsion, Material und Schirm/Filmsystem zur Erzeugung von Röntgenbildern

Title (fr)

Emulsion, matériau et système écran/film pour la formation d'images radiologiques

Publication

EP 1026544 A1 (EN)

Application

EP 99204591 A

Priority

  • EP 99204591 A
  • EP 99200295 A

Abstract (en)

In a screen/film system offering a suitable method for radiological image formation the film material comprises a ä111ü tabular silver chlor(oiod)ide emulsion comprising a binder and silver chlor(oiod)ide crystals having at least 90 mole % of silver chloride, accounting for at least 50% of the total projective surface of said crystals, further having an average thickness of less than 0.3 mu m, an average crystal diameter of more than 0.5 mu m and an average aspect ratio more of than 2:1, wherein said tabular crystals have been spectrally sensitized with blue and/or green spectral sensitizers, characterized in that said crystals have been doped with at least one of a hexa-coordinated metal complex ion having at least 4 fluorine atoms according to the formula (I) as explained more in detail in the description and in the claims ÄML6-nFnÜ<m->

IPC 1-7 (main, further and additional classification)

G03C 1/005; G03C 1/09; G03C 1/12; G03C 5/17

IPC 8 full level (invention and additional information)

G03C 1/005 (2006.01); G03C 1/09 (2006.01); G03C 1/12 (2006.01); G03C 5/17 (2006.01); G03C 1/07 (2006.01); G03C 1/18 (2006.01); G03C 1/22 (2006.01)

CPC (invention and additional information)

G03C 1/09 (2013.01); G03C 1/0053 (2013.01); G03C 1/12 (2013.01); G03C 5/17 (2013.01); G03C 1/07 (2013.01); G03C 1/122 (2013.01); G03C 1/18 (2013.01); G03C 1/22 (2013.01)

Combination set (CPC)

  1. G03C 1/09 + G03C 1/08
  2. G03C 1/0053 + G03C 2200/03
  3. G03C 1/0053 + G03C 2200/03 + G03C 2001/03558 + G03C 2001/03535

Citation (search report)

Designated contracting state (EPC)

DE FR GB

EPO simple patent family

EP 1026544 A1 20000809; EP 1026544 B1 20020123

INPADOC legal status

2005-08-17 [GBPC] GB: EUROPEAN PATENT CEASED THROUGH NON-PAYMENT OF RENEWAL FEE

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