Global Patent Index - EP 0617662 A4

EP 0617662 A4 19941123 - PLASTIC RELEASE FILM WITH TEXTURED OR NON-PLANAR SURFACE.

Title (en)

PLASTIC RELEASE FILM WITH TEXTURED OR NON-PLANAR SURFACE.

Title (de)

PLASTIK-TRENNFILM MIT STRUKTURIERTER ODER UNEBENER OBERFLÄCHE.

Title (fr)

PELLICULE DE LIBERATION EN PLASTIQUE AVEC SURFACE TEXTUREE OU NON PLANE.

Publication

EP 0617662 A4 19941123 (EN)

Application

EP 93901203 A 19921217

Priority

  • US 9210959 W 19921217
  • US 80848691 A 19911217
  • US 81112591 A 19911220

Abstract (en)

[origin: WO9311933A1] A release film comprising an oriented polymeric substrate layer having a surface layer of an ethylene-propylene block copolymer on one side thereof and a release coating on the other side thereof. Where the release material comprises a silicone-acrylate release material it may include a quaternary ammonium salt therein.

IPC 1-7

B32B 13/12

IPC 8 full level

B32B 27/00 (2006.01); B32B 27/28 (2006.01); B32B 27/32 (2006.01); C08J 7/04 (2006.01); C09J 7/02 (2006.01)

CPC (source: EP KR US)

B32B 7/06 (2013.01 - US); B32B 13/12 (2013.01 - KR); B32B 27/08 (2013.01 - US); B32B 27/32 (2013.01 - EP US); C08J 7/0427 (2020.01 - EP); C09J 7/401 (2017.12 - EP); C09J 7/403 (2017.12 - EP); B32B 2307/21 (2013.01 - US); B32B 2519/00 (2013.01 - US); C08J 2453/00 (2013.01 - EP); C09J 2423/006 (2013.01 - EP); C09J 2433/005 (2013.01 - EP); C09J 2453/006 (2013.01 - EP); C09J 2483/005 (2013.01 - EP)

Citation (search report)

Designated contracting state (EPC)

AT BE CH DE DK ES FR GB GR IE IT LI LU NL PT SE

DOCDB simple family (publication)

WO 9311933 A1 19930624; AU 3327093 A 19930719; CA 2125885 A1 19930624; EP 0617662 A1 19941005; EP 0617662 A4 19941123; JP H07502222 A 19950309; KR 940703749 A 19941212

DOCDB simple family (application)

US 9210959 W 19921217; AU 3327093 A 19921217; CA 2125885 A 19921217; EP 93901203 A 19921217; JP 51118393 A 19921217; KR 19940702049 A 19940615