Patent application 13375581 (US), filed 2012-01-23
Publication number: US20120129087A1
Title: MAGNETIC CARRIER FOR ELECTROPHOTOGRAPHIC DEVELOPER AND PROCESS FOR PRODUCING THE SAME, AND TWO-COMPONENT SYSTEM DEVELOPER
CPC codes: G03G   9/1075
G03G   9/1133
G03G   9/10884
G03G   9/1085
G03G   9/0819
G03G   9/0827
G03G   9/08755
G03G   9/0918
G03G   9/1131
G03G   9/1134
G03G   9/1135
G03G   9/1136
Office action: rejection, dated 2015-10-16
Rejection reasons: obviousness_103
Prior art cited: ref_id: 6159648
ref_type: patent
severity: obviousness
Final disposition: pending (2015-10-16)