Patent application 13810259 (US), filed 2013-02-12
Publication number: US20130140250A1
Title: IRON COPPER COMPOSITIONS FOR FLUID PURIFICATION
CPC codes: B01D  15/00
B22F   1/09
B01D  39/2027
B01D  39/2031
B01D  39/2034
B01D  39/2037
B01J  20/02
B01J  20/28004
B01J  20/28011
B01J  20/28042
B01J  20/28057
B01J2220/42
B22F   5/10
B22F2999/00
C02F   1/004
C02F   1/281
C02F2103/06
C02F2303/04
C22C   1/08
C22C  33/0257
B22F   3/10
B22F   9/082
B22F2009/041
B22F   1/145
Office action: rejection, dated 2015-10-19
Rejection reasons: obviousness_103
indefiniteness_112
Prior art cited: ref_id: 4642192
ref_type: patent
severity: obviousness
ref_id: 347-52 " Narula" and WO
ref_type: patent
severity: obviousness
ref_id: 3759709
ref_type: patent
severity: obviousness
Final disposition: granted (2015-10-19)