Global Patent Index - EP 0052735 B1

EP 0052735 B1 19850213 - WHITE PHOTOGRAPHIC PAPER SUPPORT AND METHOD OF PRODUCING THE SAME

Title (en)

WHITE PHOTOGRAPHIC PAPER SUPPORT AND METHOD OF PRODUCING THE SAME

Publication

EP 0052735 B1 19850213 (DE)

Application

EP 81108099 A 19811009

Priority

DE 3043864 A 19801121

Abstract (en)

[origin: US4396671A] A photographic support material includes a base paper upon which a polyolefin coating is coated on at least one side. The coating includes titanium dioxide therein and at least one alkaline earth metal oxide in an amount of about 0.05-20% by weight of the coating, preferably calcium and/or magnesium oxide, and/or an alkaline earth metal carbonate in an amount of about 0.05-10% by weight of the coating, preferably calcium and/or magnesium carbonate.

IPC 1-7

G03C 1/87; G03C 1/86

IPC 8 full level

D21H 19/38 (2006.01); G03C 1/79 (2006.01)

CPC (source: EP US)

G03C 1/79 (2013.01 - EP US); Y10T 428/25 (2015.01 - EP US); Y10T 428/256 (2015.01 - EP US); Y10T 428/258 (2015.01 - EP US); Y10T 428/31895 (2015.04 - EP US); Y10T 428/31902 (2015.04 - EP US)

Designated contracting state (EPC)

AT BE CH FR GB IT LI NL

DOCDB simple family (publication)

EP 0052735 A1 19820602; EP 0052735 B1 19850213; AT E11835 T1 19850215; DE 3043864 A1 19820708; DE 3043864 C2 19870910; JP S57116339 A 19820720; US 4396671 A 19830802

DOCDB simple family (application)

EP 81108099 A 19811009; AT 81108099 T 19811009; DE 3043864 A 19801121; JP 18560181 A 19811120; US 27711381 A 19810625