Fibrous Structures Comprising Three or More Regions
US-2019368131-A1 · Dec 5, 2019 · US
Production of filled paper using biodegradable polyester fibers and/or polyalkylene carbonate fibers
US8940135B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-8940135-B2 |
| Application number | US-201213689093-A |
| Country | US |
| Kind code | B2 |
| Filing date | Nov 29, 2012 |
| Priority date | Dec 1, 2011 |
| Publication date | Jan 27, 2015 |
| Grant date | Jan 27, 2015 |
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Abstract
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The present invention relates to a process for producing filled paper, card and board comprising dewatering a paper stock with sheet formation and drying, wherein biodegradable polyester fibers and/or polyalkylene carbonate fibers are added to the paper stock.
First claim
Opening claim text (preview).
We claim: 1. A process for producing filled paper, card, or board, the process comprising: dewatering a paper stock with sheet formation and drying, wherein biodegradable polyester fibers and a filler are added to the paper stock, wherein the polyester fibers are at least one aliphatic polyester selected from the group consisting of polybutylene succinate (PBS), polybutylene succinate adipate (PBSA), polybutylene succinate sebacate (PBSSe) and polybutylene sebacate (PBSe), and…
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Inventors
Classifications
- D21H13/14Primary
Textiles & Paper · mapped topic
Textiles & Paper · mapped topic
Cross-Sectional Technologies · mapped topic
Cross-Sectional Technologies · mapped topic
Cross-Sectional Technologies · mapped topic
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Frequently asked questions
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- What does patent US8940135B2 cover?
- The present invention relates to a process for producing filled paper, card and board comprising dewatering a paper stock with sheet formation and drying, wherein biodegradable polyester fibers and/or polyalkylene carbonate fibers are added to the paper stock.
- Who is the assignee on this patent?
- Basf Se
- What technology area does this patent fall under?
- Primary CPC classification D21H13/14. Mapped technology areas include Textiles & Paper.
- When was this patent published?
- Publication date Tue Jan 27 2015 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 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).