Invention Grant
- Patent Title: Process for making tissue or towel products comprising nanofilaments
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Application No.: US15637015Application Date: 2017-06-29
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Publication No.: US10463205B2Publication Date: 2019-11-05
- Inventor: Tobias Ziegenbein
- Applicant: Mercer International Inc.
- Applicant Address: CA Vancouver
- Assignee: Mercer International Inc.
- Current Assignee: Mercer International Inc.
- Current Assignee Address: CA Vancouver
- Agency: Stephen T. Murphy Law LLC
- Main IPC: D21H11/18
- IPC: D21H11/18 ; D21H21/52 ; D21H23/76 ; D21H27/00 ; D21H27/30 ; B32B5/26 ; D21C9/00 ; A47K10/16 ; B32B23/10 ; D21H11/00 ; B82Y40/00 ; B82Y99/00

Abstract:
A process for making absorbent towel paper webs is provided. The process has the steps of (a) providing a papermaking furnish having from about 45% to about 90% by weight of the dry fiber basis of the absorbent towel paper web of a refined softwood pulp fiber mixture having from about 20% to about 89.9% by weight of softwood pulp fiber, from about 0.05% to about 20% by weight of cellulose nanofilaments, and from about 0.05% to about 5.0% by weight of strengthening additive, and from about 10% to about 55% by weight of the dry fiber basis of the absorbent towel paper web of a hardwood pulp fiber mixture; (b) forming a wet fibrous web from the paper making furnish; and, (c) drying the web until the web contains not more than about 10% by weight moisture.
Public/Granted literature
- US20180078099A1 PROCESS FOR MAKING TISSUE OR TOWEL PRODUCTS COMPRISING NANOFILAMENTS Public/Granted day:2018-03-22
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