Patent application 14112621 (US), filed 2014-01-08
Publication number: US20140110305A1
Title: METHOD AND COMPOSITION FOR ENHANCED HYDROCARBON RECOVERY
CPC codes: C09K   8/584
E21B  43/16
Office action: rejection, dated 2015-10-16
Rejection reasons: obviousness_103
indefiniteness_112
Prior art cited: ref_id: 20110281779
ref_type: patent
severity: obviousness
ref_id: 20090270281
ref_type: patent
severity: obviousness
Final disposition: pending (2015-10-16)