Patent application 14123217 (US), filed 2013-11-30
Publication number: US20140113140A1
Title: COATED COBALT POWDER AND PREPARATION METHOD THEREOF
CPC codes: B22F   1/102
Y10T 428/2998
B22F2301/15
C22C  29/08
Office action: rejection, dated 2015-10-15
Rejection reasons: obviousness_103
Prior art cited: ref_id: 5106675
ref_type: patent
severity: obviousness
ref_id: 20090169888
ref_type: patent
severity: obviousness
ref_id: 4397889
ref_type: patent
severity: obviousness
ref_id: 4788080
ref_type: patent
severity: obviousness
Final disposition: rejected (2015-10-15)