| (19) |
 |
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(11) |
EP 2 540 767 A8 |
| (12) |
CORRECTED EUROPEAN PATENT APPLICATION |
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Note: Bibliography reflects the latest situation |
| (15) |
Correction information: |
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Corrected version no 1 (W1 A1) |
| (48) |
Corrigendum issued on: |
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22.05.2013 Bulletin 2013/21 |
| (43) |
Date of publication: |
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02.01.2013 Bulletin 2013/01 |
| (22) |
Date of filing: 22.06.2012 |
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| (51) |
International Patent Classification (IPC):
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| (84) |
Designated Contracting States: |
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AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL
NO PL PT RO RS SE SI SK SM TR |
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Designated Extension States: |
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BA ME |
| (30) |
Priority: |
30.06.2011 JP 2011145225
17.04.2012 JP 2012093927
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| (71) |
Applicants: |
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- JNC Corporation
Chiyoda-ku
Tokyo 100-8105 (JP)
- JNC Petrochemical Corporation
Tokyo 100-0004 (JP)
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| (72) |
Inventors: |
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- Yamamoto, Yasuhiro
Ichihara-shi
Chiba 290-8551 (JP)
- Satou, Hitoshi
Ichihara-shi
Chiba 290-8551 (JP)
- Fukudome, Kazuyuki
Ichihara-shi
Chiba 290-8551 (JP)
|
| (74) |
Representative: Müller-Boré & Partner
Patentanwälte |
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Grafinger Straße 2
81671 München
81671 München (DE) |
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(57) To provide a thermoplastic resin microporous film being difficult in longitudinal
tearing and excellent in tear resistance; a microporous film comprising a thermoplastic
resin, wherein a melt flow rate of the thermoplastic resin in the microporous film
is in the range of 0.1 to 2.0 g/10 min, tensile strength in a cross-machine direction
is in the range of 5 to 10 MPa and tensile elongation in the cross-machine direction
is 300% or more.