Patent application 13793546 (US), filed 2013-03-11
Publication number: US20140251881A1
Title: CONCENTRATED WASTEWATER SLURRY THICKENING AND STORAGE SYSTEM AND STABILIZATION BATCH TREATMENT PLANT
CPC codes: C02F  11/14
B01D   1/14
B01D   1/223
B01D   1/30
B01D   1/305
C02F   1/048
C02F   1/18
C02F  11/12
C02F2103/10
Office action: rejection, dated 2015-10-15
Rejection reasons: obviousness_103
Prior art cited: ref_id: 20100210745
ref_type: patent
severity: obviousness
ref_id: 20030106860
ref_type: patent
severity: obviousness
ref_id: 8458952
ref_type: patent
severity: obviousness
ref_id: 4721003
ref_type: patent
severity: obviousness
ref_id: 3880756
ref_type: patent
severity: obviousness
ref_id: 20130037223
ref_type: patent
severity: obviousness
Final disposition: rejected (2015-10-15)