Patent application 14087038 (US), filed 2013-11-22
Publication number: US20150144282A1
Title: METHOD FOR INCREASING PAPER STRENGTH
CPC codes: D21H  17/375
D21H  17/43
D21H  17/41
D21H  21/10
D21H  21/18
D21H  21/20
D21H  23/04
D21H  23/22
Office action: rejection, dated 2015-10-15
Rejection reasons: obviousness_103
Prior art cited: ref_id: 20090165978
ref_type: patent
severity: obviousness
Final disposition: granted (2015-10-15)