Global Patent Index - EP 1990353 A8

EP 1990353 A8 2009-02-25 - Electrical insulation film

Title (en)

Electrical insulation film

Title (de)

Folie zur elektrischen Isolierung

Title (fr)

Film à isolement électrique

Publication

EP 1990353 A8 (EN)

Application

EP 07009238 A

Priority

EP 07009238 A

Abstract (en)

[origin: WO2008135598A1] The present invention relates to a capacitor film comprising a biaxially oriented polypropylene wherein a) said polypropylene has a draw ratio in machine direction of at least 4.0 and a draw ratio in transverse direction of at least 4.0, and b) said polypropylene has an electrical breakdown strength EB63% according to IEC 60243-part 1 (1988) of at least 300 kV/mm at a draw ratio in machine direction and in transverse direction of 4.0.

IPC 8 full level (invention and additional information)

C08F 10/06 (2006.01); H01B 3/44 (2006.01)

CPC (invention and additional information)

H01B 3/441 (2013.01); C08F 10/00 (2013.01); C08F 4/65912 (2013.01); C08F 110/06 (2013.01); Y10T 428/31692 (2015.04); Y10T 428/31938 (2015.04)

Combination set (CPC)

  1. C08F 10/00 + C08F 4/65927
  2. C08F 110/06 + C08F 2500/04 + C08F 2500/12 + C08F 2500/15
  3. C08F 110/06 + C08F 2500/03 + C08F 2500/12 + C08F 2500/15

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR

Designated extension state (EPC)

AL BA HR MK RS

EPO simple patent family

EP 1990353 A1 20081112; EP 1990353 A8 20090225; EP 1990353 B1 20090805; AT 438666 T 20090815; BR PI0807677 A2 20140520; BR PI0807677 B1 20180320; CN 101679552 A 20100324; CN 101679552 B 20120905; DE 602007001873 D1 20090917; EA 016844 B1 20120730; EA 200971033 A1 20100430; JP 2010520632 A 20100610; JP 5026532 B2 20120912; KR 101133475 B1 20120410; KR 20090118045 A 20091117; MX 2009009892 A 20091019; US 2010134953 A1 20100603; US 8427810 B2 20130423; WO 2008135598 A1 20081113

INPADOC legal status


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