Global Patent Index - EP 0610522 A1

EP 0610522 A1 19940817 - Silver halide photographic material comprising monodispersed polymer particles and process for the production thereof.

Title (en)

Silver halide photographic material comprising monodispersed polymer particles and process for the production thereof.

Title (de)

Photographisches Silberhalogenidmaterial, das monodisperse Polymerteilchen enthält.

Title (fr)

Matériau photographique à l'halogénure d'argent comprenant de particules de polymères monodispersées.

Publication

EP 0610522 A1 19940817 (EN)

Application

EP 93101906 A 19930208

Priority

EP 93101906 A 19930208

Abstract (en)

The present invention relates to a silver halide photographic material having at least one light-sensitive layer coated on a support base and at least one outer light-insensitive layer comprising polydispersed alkali soluble polymer particles and monodispersed alkali insoluble polymer particles having an average particle size of from 1 to 10 mu m wherein at least 95% by number of said polymer particles have a diameter within +/- 15% of the average particle size.

IPC 1-7

G03C 1/95; C08F 2/08

IPC 8 full level

G03C 1/95 (2006.01)

CPC (source: EP)

G03C 1/95 (2013.01); G03C 1/32 (2013.01); G03C 1/7614 (2013.01)

Citation (search report)

  • EP 0075231 A2 19830330 - MINNESOTA MINING & MFG [US]
  • [Y] RESEARCH DISCLOSURE vol. 216, no. 17, April 1982, HAVANT GB page 109 ANONYMOUS 'Use of monodisperse matte to improve resistance of photographic film to handling and coating defects'
  • [Y] K.E.J.BARRETT (ED.) 'Dispersion Polymerization in Organic Media' 1975 , JOHN WILEY & SONS , LONDON NEW YORK
  • [YD] JOURNAL OF POLYMER SCIENCE, POLYMER CHEMISTRY EDITION vol. 24, 1986, NEW YORK US pages 2995 - 3007 C.M.TSENG ET AL. 'Uniform Polymer Particles by Dispersion Polymerization in Alcohol'

Designated contracting state (EPC)

DE FR GB IT

DOCDB simple family (publication)

EP 0610522 A1 19940817; EP 0610522 B1 19990421; DE 69324564 D1 19990527; DE 69324564 T2 19991125

DOCDB simple family (application)

EP 93101906 A 19930208; DE 69324564 T 19930208