Patent application 13396366 (US), filed 2012-02-14
Publication number: US20120211417A1
Title: Method and System for Controlling Carbon Source Feed to Denitrification Filters
CPC codes: C02F   3/006
C02F   3/2826
C02F   3/305
C02F2209/001
C02F2209/003
C02F2209/005
C02F2209/02
C02F2209/15
C02F2209/22
C02F2209/40
Y02E  50/30
Office action: rejection, dated 2015-10-15
Rejection reasons: obviousness_103
indefiniteness_112
Prior art cited: ref_id: 20070144966
ref_type: patent
severity: obviousness
ref_id: 4159945
ref_type: patent
severity: obviousness
ref_id: 20040112829
ref_type: patent
severity: obviousness
ref_id: 6129104
ref_type: patent
severity: obviousness
ref_id: 20100096339
ref_type: patent
severity: obviousness
Final disposition: rejected (2015-10-15)