EP 0671506 A3 19960403 - Paperor cardboard.
Title (en)
Paperor cardboard.
Title (de)
Papier oder Karton.
Title (fr)
Papier ou carton.
Publication
Application
Priority
DE 4407878 A 19940309
Abstract (en)
[origin: EP0671506A2] The paper or cardboard (1) has an undercoat (2) in a coating mass composed of water, amorphous silicon oxide, aluminium oxide, PVA and a copolymer of styrene,butadiene and acrylonitrile. Alternatively it is composed of water, silicic acid or precipitated silicic acid, PVA and a copolymer of styrene, butadiene and acrylonitrile. The covering layer (3) is a coated mass of water with a copolymer of styrene and butadiene modified with carnauba and paraffin wax, an ethylene/methacrylic acid dispersion and polyvinyl acetate. It can use carboxylated styrene-butadiene or styrene-acrylate copolymer dispersion.
IPC 1-7
IPC 8 full level
D21H 19/18 (2006.01); D21H 19/20 (2006.01); D21H 19/38 (2006.01); D21H 19/40 (2006.01); D21H 19/54 (2006.01); D21H 19/56 (2006.01); D21H 19/82 (2006.01); D21H 19/84 (2006.01)
CPC (source: EP US)
D21H 19/18 (2013.01 - EP US); D21H 19/20 (2013.01 - EP US); D21H 19/385 (2013.01 - EP US); D21H 19/40 (2013.01 - EP US); D21H 19/54 (2013.01 - EP US); D21H 19/56 (2013.01 - EP US); D21H 19/826 (2013.01 - EP US); D21H 19/84 (2013.01 - EP US); Y10T 428/1303 (2015.01 - EP US); Y10T 428/1379 (2015.01 - EP US); Y10T 428/1383 (2015.01 - EP US); Y10T 428/24851 (2015.01 - EP US); Y10T 428/24934 (2015.01 - EP US); Y10T 428/277 (2015.01 - EP US); Y10T 428/3188 (2015.04 - EP US); Y10T 428/31895 (2015.04 - EP US); Y10T 428/31906 (2015.04 - EP US); Y10T 428/31909 (2015.04 - EP US); Y10T 428/31924 (2015.04 - EP US); Y10T 428/31931 (2015.04 - EP US); Y10T 428/31935 (2015.04 - EP US); Y10T 428/31993 (2015.04 - EP US)
Citation (search report)
- [AP] WO 9426513 A1 19941124 - INT PAPER CO [US]
- [A] BE 703729 A 19680201
Designated contracting state (EPC)
AT BE CH DE ES FR GB IT LI LU NL SE
DOCDB simple family (publication)
EP 0671506 A2 19950913; EP 0671506 A3 19960403; EP 0671506 B1 19961211; AT E146242 T1 19961215; DE 4407878 A1 19950914; DE 4407878 C2 19960704; DE 59500058 D1 19970123; ES 2097664 T3 19970401; FI 951108 A0 19950309; FI 951108 A 19950910; US 5773131 A 19980630
DOCDB simple family (application)
EP 95102711 A 19950224; AT 95102711 T 19950224; DE 4407878 A 19940309; DE 59500058 T 19950224; ES 95102711 T 19950224; FI 951108 A 19950309; US 40092295 A 19950309