Global Patent Index - EP 0213231 B1

EP 0213231 B1 19890503 - WATERPROOF PAPER SUPPORT FOR PHOTOGRAPHIC LAYERS

Title (en)

WATERPROOF PAPER SUPPORT FOR PHOTOGRAPHIC LAYERS

Publication

EP 0213231 B1 19890503 (DE)

Application

EP 85111135 A 19850904

Priority

EP 85111135 A 19850904

Abstract (en)

[origin: EP0213231A1] 1. Water-resistant paper support for photographic layers comprising a coating hardened by radiation with electronic beams and a base paper with reactive sizing and an aluminium compound, characterized in that the base paper comprises at least a water soluble aluminium compound in an amount of 1 to 12 kg/t cellulose with reference to the aluminium ion and that the pH-value of the cellulose suspension used to produce the paper was between 5 and 8.

IPC 1-7

G03C 1/87

IPC 8 full level

G03C 1/775 (2006.01); D21H 17/66 (2006.01); D21H 25/06 (2006.01); G03C 1/79 (2006.01); D21H 17/17 (2006.01); D21H 21/20 (2006.01); D21H 23/50 (2006.01)

CPC (source: EP US)

D21H 17/66 (2013.01 - EP US); D21H 25/06 (2013.01 - EP US); G03C 1/79 (2013.01 - EP US); D21H 17/17 (2013.01 - EP US); D21H 21/20 (2013.01 - EP US); D21H 23/50 (2013.01 - EP US)

Citation (examination)

EP 0114973 A2 19840808 - SCHOELLER F JUN GMBH CO KG [DE]

Designated contracting state (EPC)

AT BE CH DE FR GB IT LI LU NL SE

DOCDB simple family (publication)

EP 0213231 A1 19870311; EP 0213231 B1 19890503; AT E42839 T1 19890515; DE 3569991 D1 19890608; ES 2001125 A6 19880416; JP H0648364 B2 19940622; JP S62111252 A 19870522; US 4844777 A 19890704

DOCDB simple family (application)

EP 85111135 A 19850904; AT 85111135 T 19850904; DE 3569991 T 19850904; ES 8601591 A 19860903; JP 20695486 A 19860904; US 89997186 A 19860825