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US 11,629,460 B2Granted
Fiber blend, method for producing fiber blend, and paperboard product comprising fiber blend
AssigneeWestRock MWV, LLC
InventorsHumphrey J. Moynihan, Peter W. Hart, Nichole Kilgore, John D. DeJarnette
Life of this patent
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Abstract
A fiber blend includes a first amount of wood pulp fibers refined in an amount of at least about 150 kWh per metric ton of gross refining energy, and a second amount of wood pulp fibers refined in an amount of at most about 10 kWh per metric ton of gross refining energy.
Claims20
A fiber blend comprising:
- a first amount of wood pulp fibers refined in an amount of at least about 150 kWh per metric ton of gross refining energy, wherein the first amount of wood pulp fibers are characterized by extensive fiber damage;
- and
- a second amount of wood pulp fibers refined in an amount of at most about 10 kWh per metric ton of gross refining energy, wherein the second amount of wood pulp fibers are characterized by having little or no fiber damage,
- wherein the fiber blend is a mixture of the first amount of wood pulp fibers with the second amount of wood pulp fibers.
1 more element
A paperboard product comprising a fiber blend, the fiber blend comprising:
- a first amount of wood pulp fibers refined in an amount of at least about 150 kWh per metric ton of gross refining energy, wherein the first amount of wood pulp fibers are characterized by having extensive fiber damage;
- and
- a second amount of wood pulp fibers refined in an amount of at most about 10 kWh per metric ton of gross refining energy, wherein the second amount of wood pulp fibers are characterized by having little or no damage,
- wherein the fiber blend is a mixture of the first amount of wood pulp fibers with the second amount of wood pulp fibers.
1 more element
Dependencies are inferred from the claim text.