Paper making and fiber liberation – Processes and products – Multi-layer waterlaid webs or sheets
Reexamination Certificate
2009-01-22
2011-12-20
Fortuna, Jose A (Department: 1741)
Paper making and fiber liberation
Processes and products
Multi-layer waterlaid webs or sheets
C162S111000, C162S118000, C162S129000, C162S149000, C162S164300, C162S177000, C162S179000, C428S153000, C428S172000
Reexamination Certificate
active
08080130
ABSTRACT:
Kitchen roll toweling having surprising softness, absorbency and bulk is formed from a furnish comprising long cellulosic fiber having: (i) average weight-weighted fiber length of at least 2.5 mm; coarseness at least 15.5 mg/100 mm; and a Canadian Standard freeness of at least 600 ml combined with (ii) short cellulosic fiber having an average weight-weighted fiber length of at most 1.9 mm having a Canadian Standard freeness of at least 500 ml in a weight ratio of short fiber to long fiber of at least 0.25 to 1.0 to form a nascent web having a consistency in the range from about 10% to about 35% which is rush transferred from one fabric to another at a speed differential of at least about 15%; and creping the web from a Yankee dryer while controlling the real crepe to at most 3% and thereafter converting the web to form a two ply product having a basis weight of at least 29 lb/rm and caliper of at least 220 mils/8 sheets.
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Extended European Search Report for Application No. 09001039.8 that issued Jul. 13, 2009.
Chou Hung Liang
Harper Frank D.
Hynnek Martin A.
Olson Steven R.
Robinson Mark L.
Bozek Laura L.
Fortuna José A
Georgia-Pacific Consumer Products LP
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