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公开(公告)号：US20240102249A1
公开(公告)日：2024-03-28
申请号：US18216267
申请日：2023-06-29
发明人： Per SVENDING , Jonathan Stuart PHIPPS , Johannes KRITZINGER , Tom REEVE-LARSON , Tania SELINA , David SKUSE
IPC分类号： D21H27/32 , D21H11/04 , D21H11/14 , D21H11/18 , D21H17/28 , D21H17/67 , D21H17/68 , D21H19/52 , D21H21/10
CPC分类号： D21H27/32 , D21H11/04 , D21H11/14 , D21H11/18 , D21H17/28 , D21H17/67 , D21H17/675 , D21H17/68 , D21H19/52 , D21H21/10
摘要： The present invention is directed to products, such as paper and paperboard products, comprising a substrate containing cellulose and top ply comprising microfibrillated cellulose and inorganic particulate, to methods of making such paper and paperboard products, and associated uses of such paper and paperboard products. The microfibrillated cellulose and inorganic particulate material are applied at the stage when the wet substrate is in the process of being formed on the wire of a papermaking machine, thereby avoiding the additional cost of more extensive equipment and machinery as well as in separate drying of a coating. The microfibrillated cellulose facilitates the application of inorganic particulate onto the surface of a wet paper or paperboard substrate when applied thusly, by trapping the inorganic particulate on the surface of the substrate and by giving the composite sufficient strength and a suitable pore structure to make it suitable for printing and other end-use demands.
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公开(公告)号：US20220316140A1
公开(公告)日：2022-10-06
申请号：US17691700
申请日：2022-03-10
发明人： Per SVENDING , Jonathan PHIPPS , Mark PARADIS , Soultana SELINA , David R. SKUSE
摘要： Methods of making a paper or board product comprising a top ply slurry comprising microfibrillated cellulose and, optionally, one or more inorganic particulate material, applied to a forming web of paper through an applicator comprising a channel terminating in a slot, wherein the slot is in fluid communication with a flexible blade suitable to form a top ply on top of the forming web of paper at the wet end of the paper machine and applicators for practicing such methods.
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公开(公告)号：US20190003121A1
公开(公告)日：2019-01-03
申请号：US16124352
申请日：2018-09-07
发明人： John Claude Husband , Per SVENDING
摘要： A paper product may include high energy thermomechanical pulp (TMP), low energy TMP, and microfibrillated cellulose. The paper product may also include inorganic particulate material. A papermaking composition suitable for making the paper product, a process for preparing the paper product, and use of microfibrillated cellulose may include high energy TMP, low energy TMP, and microfibrillated cellulose, and optionally inorganic particulate material. The microfibrillated cellulose may have a fibre steepness of from about 20 to about 50 in the paper product.
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4.发明公开公开(公告)号：US20240167225A1
公开(公告)日：2024-05-23
申请号：US18514535
申请日：2023-11-20
发明人： Thomas REEVE-LARSON , Mark PARADIS , Jonathan PHIPPS , Per SVENDING , Daniel INGLE , David SKUSE
CPC分类号： D21H19/34 , D21H19/30 , D21H19/824
摘要： Methods of sequentially applying nanocellulose(s) onto the surface of paper and paperboard substrates, paper or paperboard prepared using said methods, and systems for producing paper or paperboard having sequentially applied nanocellulose(s).
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公开(公告)号：US20240133123A1
公开(公告)日：2024-04-25
申请号：US18387681
申请日：2023-11-07
IPC分类号： D21H27/32 , D21H11/04 , D21H11/14 , D21H11/18 , D21H17/28 , D21H17/67 , D21H17/68 , D21H19/52 , D21H21/10
CPC分类号： D21H27/32 , D21H11/04 , D21H11/14 , D21H11/18 , D21H17/28 , D21H17/67 , D21H17/675 , D21H17/68 , D21H19/52 , D21H21/10
摘要： The present invention is directed to products, such as paper and paperboard products, comprising a substrate containing a recycled cellulose-containing material and top ply comprising one or more inorganic particulate material; to methods of making such paper and paperboard products, and associated uses of such paper and paperboard products. The microfibrillated cellulose and inorganic particulate material are applied at a stage when the substrate comprising a wet web of pulp is in the process of being formed on the wire of a papermaking machine, thereby avoiding the additional cost of more extensive equipment and machinery as well as in separate drying of a coating. The microfibrillated cellulose facilitates the application of inorganic particulate onto the surface of a wet paper or paperboard substrate.
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公开(公告)号：US20210395950A1
公开(公告)日：2021-12-23
申请号：US17464194
申请日：2021-09-01
IPC分类号： D21H19/34 , D21H17/25 , D21H19/38 , D21H19/52 , D21H17/63 , D21H19/22 , D21H23/48 , D21H27/10
摘要： The present invention relates to compositions, such as filled and coated papers, comprising microfibrillated cellulose and inorganic particulate material.
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公开(公告)号：US20190242063A1
公开(公告)日：2019-08-08
申请号：US16387019
申请日：2019-04-17
发明人： John Claude HUSBAND , Per SVENDING
CPC分类号： D21H17/74 , D21B1/12 , D21D1/30 , D21H11/08 , D21H11/10 , D21H11/18 , D21H17/675 , D21H17/68 , D21H21/18
摘要： A paper product may include high energy thermomechanical pulp (TMP), low energy TMP, and microfibrillated cellulose. The paper product may also include inorganic particulate material. A papermaking composition suitable for making the paper product, a process for preparing the paper product, and use of microfibrillated cellulose may include high energy TMP, low energy TMP, and microfibrillated cellulose, and optionally inorganic particulate material. The microfibrillated cellulose may have a fibre steepness of from about 20 to about 50 in the paper product.
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公开(公告)号：US20240167227A1
公开(公告)日：2024-05-23
申请号：US18514549
申请日：2023-11-20
发明人： Thomas REEVE-LARSON , Mark PARADIS , Jonathan PHIPPS , Per SVENDING , Daniel INGLE , David SKUSE
IPC分类号： D21H27/38 , D21F1/02 , D21F9/00 , D21H11/04 , D21H11/18 , D21H17/00 , D21H17/29 , D21H17/36 , D21H17/37 , D21H17/67 , D21H19/22 , D21H19/34 , D21H21/16 , D21H23/64 , D21J1/08
CPC分类号： D21H27/38 , D21F1/028 , D21F9/006 , D21H11/04 , D21H11/18 , D21H17/29 , D21H17/36 , D21H17/375 , D21H17/675 , D21H17/74 , D21H19/22 , D21H19/34 , D21H21/16 , D21H23/64 , D21J1/08
摘要： Methods and systems for applying barrier coatings to nanocellulose-coated paper and paperboard.
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公开(公告)号：US20230243104A1
公开(公告)日：2023-08-03
申请号：US18133183
申请日：2023-04-11
IPC分类号： D21H19/34 , D21H17/25 , D21H19/38 , D21H19/52 , D21H17/63 , D21H19/22 , D21H23/48 , D21H27/10
CPC分类号： D21H19/34 , D21H17/25 , D21H19/38 , D21H19/52 , D21H17/63 , D21H19/22 , D21H23/48 , D21H27/10 , Y10T428/31703 , Y10T428/31982 , Y10T428/31993 , D21H11/04
摘要： The present invention relates to compositions and methods for coating paper products
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公开(公告)号：US20220154408A1
公开(公告)日：2022-05-19
申请号：US17590105
申请日：2022-02-01
发明人： Per SVENDING , Jonathan Stuart PHIPPS , Johannes KRITZINGER , Tom REEVE-LARSON , Tania SELINA , David SKUSE
IPC分类号： D21H27/32 , D21H19/52 , D21H11/04 , D21H11/14 , D21H11/18 , D21H17/28 , D21H17/67 , D21H17/68 , D21H21/10
摘要： The present invention is directed to products, such as paper and paperboard products, comprising a substrate containing cellulose and top ply comprising microfibrillated cellulose and inorganic particulate, to methods of making such paper and paperboard products, and associated uses of such paper and paperboard products. The microfibrillated cellulose and inorganic particulate material are applied at the stage when the wet substrate is in the process of being formed on the wire of a papermaking machine, thereby avoiding the additional cost of more extensive equipment and machinery as well as in separate drying of a coating. The microfibrillated cellulose facilitates the application of inorganic particulate onto the surface of a wet paper or paperboard substrate when applied thusly, by trapping the inorganic particulate on the surface of the substrate and by giving the composite sufficient strength and a suitable pore structure to make it suitable for printing and other end-use demands.
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