Patent application 13518438 (US), filed 2012-06-22
Publication number: US20120258851A1
Title: WATER-ABSORBABLE POLYACRYLIC ACID RESIN POWDER, AND PROCESS FOR PRODUCTION THEREOF
CPC codes: C08F  20/06
C08J   3/12
A61L  15/48
A61L  15/60
B01J  20/26
C08F   2/001
C08F   2/24
C08F   2/30
C08F   6/00
C08F   6/26
C08F 220/06
C08F2810/20
C08J   3/24
C08J2333/08
C08J2333/10
C08L  33/02
Office action: rejection, dated 2015-10-15
Rejection reasons: obviousness_103
Prior art cited: ref_id: 20090234314
ref_type: patent
severity: obviousness
ref_id: 20080269372
ref_type: patent
severity: obviousness
ref_id: 6107358
ref_type: patent
severity: obviousness
ref_id: 20070225422
ref_type: patent
severity: obviousness
Final disposition: granted (2015-10-15)