EP 0268751 B1 19900411 - WATER-RESISTANT PHOTOGRAPHIC PAPER SUPPORT
Title (en)
WATER-RESISTANT PHOTOGRAPHIC PAPER SUPPORT
Publication
Application
Priority
DE 3636790 A 19861029
Abstract (en)
[origin: US4820582A] A waterproof, polyolefin coated paper support for photographic coatings is disclosed, wherein the paper base contains an alkylketene dimer as a hydrophobizing sizing agent. The alkylketene dimer consists to the greater part of behenyl ketene and contains no more than 40% residues originating from alkylketenes having chains shorter than C20-alkyl.
IPC 1-7
IPC 8 full level
G03C 1/775 (2006.01); D21H 17/05 (2006.01); D21H 17/17 (2006.01); D21H 21/16 (2006.01); D21H 27/00 (2006.01); G03C 1/79 (2006.01)
CPC (source: EP US)
D21H 17/17 (2013.01 - EP US); G03C 1/79 (2013.01 - EP US); Y10T 428/256 (2015.01 - EP US); Y10T 428/31515 (2015.04 - EP US); Y10T 428/31775 (2015.04 - EP US); Y10T 428/31902 (2015.04 - EP US)
Designated contracting state (EPC)
AT BE CH ES FR GB GR IT LI LU NL SE
DOCDB simple family (publication)
EP 0268751 A1 19880601; EP 0268751 B1 19900411; AT E51966 T1 19900415; AU 604754 B2 19910103; AU 7920587 A 19880505; CN 1009225 B 19900815; CN 87106977 A 19880511; DE 3636790 C1 19880601; ES 2015020 B3 19900801; GR 3000810 T3 19911115; GR 900300098 T1 19910927; HU 206549 B 19921130; HU T51394 A 19900428; JP 2839495 B2 19981216; JP S63112796 A 19880517; US 4820582 A 19890411
DOCDB simple family (application)
EP 87112134 A 19870821; AT 87112134 T 19870821; AU 7920587 A 19870930; CN 87106977 A 19871019; DE 3636790 A 19861029; ES 87112134 T 19870821; GR 900300098 T 19910927; GR 900400441 T 19900706; HU 486687 A 19871028; JP 24289587 A 19870929; US 10874687 A 19871015