Patent application 14148602 (US), filed 2014-01-06
Publication number: US20140262295A1
Title: ENCAPSULATED PROPPANTS
CPC codes: C09K   8/805
C09K   8/70
E21B  43/26
E21B  43/267
Office action: rejection, dated 2015-10-16
Rejection reasons: obviousness_103
indefiniteness_112
Prior art cited: ref_id: 5373901
ref_type: patent
severity: obviousness
ref_id: 20070166541
ref_type: patent
severity: obviousness
ref_id: 20090124522
ref_type: patent
severity: obviousness
Final disposition: granted (2015-10-16)