Feedstuffs for ruminants
US-2019174794-A1 · Jun 13, 2019 · US
Fluff pulp
US12297600B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-12297600-B2 |
| Application number | US-202017753448-A |
| Country | US |
| Kind code | B2 |
| Filing date | Sep 3, 2020 |
| Priority date | Sep 4, 2019 |
| Publication date | May 13, 2025 |
| Grant date | May 13, 2025 |
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- Title
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- Abstract
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- Assignees and inventors
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Abstract
Official abstract text for this publication.
The present invention is directed to fluff pulp having a Kappa number in the range of from 5 to 18 and having, when in the form of a dry sheet, ISO brightness in the range of from 30 to 60% and having a specific volume in the dry defibrated state of at least 19 dm3/kg and having absorption time in the range of from 2 to 4 seconds.
First claim
Opening claim text (preview).
The invention claimed is: 1. Fluff pulp having a Kappa number in a range of from 5 to 18 and having, when in a form of a dry sheet, an ISO brightness in a range of from 30 to 60% and having a specific volume in a dry defibrated state of at least 19 dm 3 /kg and having an absorption time in a range of from 2 to 4 seconds according to the standard SCAN-C 33:80, wherein at least 90% of fibers of the fluff pulp originate from softwood. 2. The fluff pulp according to claim 1 , wherein the ISO brightness is in a range of from 30 to 40%. 3. The fluff pulp according to claim 1 , wherein the ISO brightness is in a range of from 35 to 50%. 4. The fluff pulp according to claim 1 , wherein the specific volume in the dry defibrated state is in a range of from 19 to 23 dm 3 /kg. 5. The fluff pulp according to claim 1 , wherein the Kappa number is in a range of from 5 to 12. 6. The fluff pulp according to claim 1 , wherein the ISO brightness is in a range of from 36 to 50%. 7. The fluff pulp according to claim 1 , in a form of a roll. 8. A product comprising defibrated fluff pulp, wherein said defibrated fluff pulp comprises, prior to defibration, comprises the fluff pulp according to claim 1 . 9. An airlaid nonwoven comprising defibrated fluff pulp wherein said defibrated fluff pulp comprises, prior to defibration, the fluff pulp according to claim 1 . 10. An absorption core comprising defibrated fluff pulp, wherein said defibrated fluff pulp comprises, prior to defibration, the fluff pulp according to claim 1 . 11. A hygiene product comprising the absorption core according to claim 10 .
Assignees
Inventors
Classifications
crimped, kinked, curled or twisted fibres · CPC title
modified by a particular after-treatment · CPC title
- D21C9/147Primary
with oxygen or its allotropic modifications (D21C9/16 takes precedence) · CPC title
by mechanical or physical means · CPC title
- D21C3/02Primary
with inorganic bases or alkaline reacting compounds, e.g. sulfate processes · CPC title
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Frequently asked questions
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- What does patent US12297600B2 cover?
- The present invention is directed to fluff pulp having a Kappa number in the range of from 5 to 18 and having, when in the form of a dry sheet, ISO brightness in the range of from 30 to 60% and having a specific volume in the dry defibrated state of at least 19 dm3/kg and having absorption time in the range of from 2 to 4 seconds.
- Who is the assignee on this patent?
- Stora Enso Oyj
- What technology area does this patent fall under?
- Primary CPC classification D21C9/147. Mapped technology areas include Textiles & Paper.
- When was this patent published?
- Publication date Tue May 13 2025 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 1 related publication on this page (citations in our corpus or others sharing the same primary CPC).