Patent application 13990465 (US), filed 2013-05-30
Publication number: US20130253130A1
Title: AQUEOUS PIGMENT DISPERSIONS BASED ON ALTERNATING POLYURETHANE DISPERSANTS
CPC codes: C08G  18/0823
C09D 175/04
C08G  18/10
C08G  18/12
C08G  18/34
C09D  11/324
C09D  11/326
C08G  18/2865
C08G  18/28
C08G  18/808
Office action: rejection, dated 2015-10-16
Rejection reasons: anticipation_102
obviousness_103
double_patenting
Prior art cited: ref_id: 20120035317
ref_type: patent
severity: novelty_destroying
ref_id: 20120035317
ref_type: patent
severity: novelty_destroying
Final disposition: rejected (2015-10-16)