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2022
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IPC Class
D21C 1/02 - Pretreatment of the finely-divided materials before digesting with water or steam
5
D21C 3/06 - Pulping cellulose-containing materials with acids, acid salts, or acid anhydrides sulfur dioxidePulping cellulose-containing materials with acids, acid salts, or acid anhydrides sulfurous acidPulping cellulose-containing materials with acids, acid salts, or acid anhydrides bisulfites
5
D21C 11/00 - Regeneration of pulp liquors
4
D21C 3/02 - Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate processes
3
D21C 3/04 - Pulping cellulose-containing materials with acids, acid salts, or acid anhydrides
3
D21C 9/00 - After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters
2
D21C 9/18 - De-watering
2
D21C 3/22 - Other features of pulping processes
1
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Found results for
patents
1.
A COOKING METHOD
Application Number
18004206
Status
Pending
Filing Date
2021-06-23
First Publication Date
2023-08-24
Owner
AMPPC Finland Oy (Finland)
Inventor
Kurki, Matti
Abstract
A cooking method wherein partly digested wood based cellulosic raw material is compressed during cooking to provide high molecular weight xylan, lignin and pulp.
IPC Classes ?
D21C 11/00 - Regeneration of pulp liquorsD21C 1/02 - Pretreatment of the finely-divided materials before digesting with water or steamD21C 3/02 - Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate processesD21C 3/06 - Pulping cellulose-containing materials with acids, acid salts, or acid anhydrides sulfur dioxidePulping cellulose-containing materials with acids, acid salts, or acid anhydrides sulfurous acidPulping cellulose-containing materials with acids, acid salts, or acid anhydrides bisulfitesD21C 9/00 - After-treatment of cellulose pulp, e.g. of wood pulp, or cotton lintersD21C 9/18 - De-watering
2.
A HIGH YIELD COOKING METHOD
Application Number
18004190
Status
Pending
Filing Date
2021-06-23
First Publication Date
2023-08-24
Owner
AMPPC Finland Oy (Finland)
Inventor
Kurki, Matti
Abstract
A cooking method and a digester system wherein partly digested cellulosic fiber source is compressed during cooking to provide high molecular weight xylan, high molecular weight lignin and pulp.
IPC Classes ?
D21C 11/00 - Regeneration of pulp liquorsD21C 1/02 - Pretreatment of the finely-divided materials before digesting with water or steamD21C 3/06 - Pulping cellulose-containing materials with acids, acid salts, or acid anhydrides sulfur dioxidePulping cellulose-containing materials with acids, acid salts, or acid anhydrides sulfurous acidPulping cellulose-containing materials with acids, acid salts, or acid anhydrides bisulfitesD21C 3/22 - Other features of pulping processesD21C 9/18 - De-watering
3.
A COOKING METHOD
Document Number
03184707
Status
Pending
Filing Date
2021-06-23
Open to Public Date
2022-01-13
Owner
AMPPC FINLAND OY (Finland)
Inventor
Kurki, Matti
Abstract
The present invention discloses a cooking method wherein partly digested wood based cellulosic raw materal is compressed during cooking to provide high molecular weightxylan, lignin and pulp.
IPC Classes ?
D21C 1/02 - Pretreatment of the finely-divided materials before digesting with water or steamD21C 3/02 - Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate processesD21C 3/04 - Pulping cellulose-containing materials with acids, acid salts, or acid anhydridesD21C 3/06 - Pulping cellulose-containing materials with acids, acid salts, or acid anhydrides sulfur dioxidePulping cellulose-containing materials with acids, acid salts, or acid anhydrides sulfurous acidPulping cellulose-containing materials with acids, acid salts, or acid anhydrides bisulfites
4.
A HIGH YIELD COOKING METHOD
Application Number
FI2021050481
Publication Number
2022/008791
Status
In Force
Filing Date
2021-06-23
Publication Date
2022-01-13
Owner
AMPPC FINLAND OY (Finland)
Inventor
Kurki, Matti
Abstract
The present invention discloses a cooking method and a digester system whereinpartly digested cellulosic fiber source is compressed during cooking to provide highmolecular weight xylan, high molecular weight lignin and pulp.
IPC Classes ?
D21C 1/02 - Pretreatment of the finely-divided materials before digesting with water or steamD21C 3/04 - Pulping cellulose-containing materials with acids, acid salts, or acid anhydridesD21C 3/06 - Pulping cellulose-containing materials with acids, acid salts, or acid anhydrides sulfur dioxidePulping cellulose-containing materials with acids, acid salts, or acid anhydrides sulfurous acidPulping cellulose-containing materials with acids, acid salts, or acid anhydrides bisulfitesD21C 11/00 - Regeneration of pulp liquors
5.
A COOKING METHOD
Application Number
FI2021050480
Publication Number
2022/008790
Status
In Force
Filing Date
2021-06-23
Publication Date
2022-01-13
Owner
AMPPC FINLAND OY (Finland)
Inventor
Kurki, Matti
Abstract
The present invention discloses a cooking method wherein partly digested wood based cellulosic raw materal is compressed during cooking to provide high molecular weightxylan, lignin and pulp.
IPC Classes ?
D21C 1/02 - Pretreatment of the finely-divided materials before digesting with water or steamD21C 3/02 - Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate processesD21C 3/04 - Pulping cellulose-containing materials with acids, acid salts, or acid anhydridesD21C 3/06 - Pulping cellulose-containing materials with acids, acid salts, or acid anhydrides sulfur dioxidePulping cellulose-containing materials with acids, acid salts, or acid anhydrides sulfurous acidPulping cellulose-containing materials with acids, acid salts, or acid anhydrides bisulfitesD21C 9/00 - After-treatment of cellulose pulp, e.g. of wood pulp, or cotton lintersD21C 11/00 - Regeneration of pulp liquors
patents
