Patent application 13504313 (US), filed 2012-06-13
Publication number: US20120241309A1
Title: PROCESS FOR PURIFYING PROCESSING FLUIDS
CPC codes: B01D   1/22
B01D   1/28
B01D   3/06
B01D   3/10
B01D  53/1425
Office action: rejection, dated 2015-10-15
Rejection reasons: anticipation_102
obviousness_103
indefiniteness_112
Prior art cited: ref_id: 6152994
ref_type: patent
severity: novelty_destroying
ref_id: 5389208
ref_type: patent
severity: novelty_destroying
ref_id: 5389208
ref_type: patent
severity: novelty_destroying
ref_id: 5993608
ref_type: patent
severity: novelty_destroying
ref_id: 6152994
ref_type: patent
severity: novelty_destroying
Final disposition: granted (2015-10-15)