Patent application 13881314 (US), filed 2013-04-24
Publication number: US20130224560A1
Title: SEPARATOR FOR NONAQUEOUS ELECTROLYTE BATTERY, AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY
CPC codes: H01M  50/44
H01M  50/489
H01M  50/403
H01M  50/417
H01M  50/406
H01M  50/581
H01M  50/491
H01M  50/457
H01M  50/423
H01M  50/451
H01M  10/0525
Office action: rejection, dated 2015-10-16
Rejection reasons: obviousness_103
Prior art cited: ref_id: 20100099022
ref_type: patent
severity: obviousness
ref_id: 5641565
ref_type: patent
severity: obviousness
ref_id: 20100173187
ref_type: patent
severity: obviousness
Final disposition: granted (2015-10-16)