Patent application 14407091 (US), filed 2014-12-11
Publication number: US20150144348A1
Title: BALL SEALER FOR HYDROCARBON RESOURCE COLLECTION AS WELL AS PRODUCTION METHOD THEREFOR AND DOWNHOLE TREATMENT METHOD USING SAME
CPC codes: E21B  34/142
B32B  27/00
Y10T 428/31786
B29C  45/14073
B29K2067/043
B29K2105/12
B29K2995/006
B29L2009/00
B29L2031/26
B29L2031/7734
E21B  43/26
E21B  43/261
Office action: rejection, dated 2015-10-16
Rejection reasons: anticipation_102
obviousness_103
indefiniteness_112
Prior art cited: ref_id: 20140246209
ref_type: patent
severity: novelty_destroying
ref_id: 20120214715
ref_type: patent
severity: novelty_destroying
ref_id: 20130081821
ref_type: patent
severity: novelty_destroying
ref_id: 20120139144
ref_type: patent
severity: novelty_destroying
ref_id: 20140246209
ref_type: patent
severity: novelty_destroying
Final disposition: granted (2015-10-16)