Method for making moisture-resistant paper
US12325958B2 · kind B2 · utility
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1References
10Claims
0Family size
Assignee
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Key dates
| Filing date | Mar 22, 2021 |
| Grant date | Jun 10, 2025 |
| Priority date | — |
| Expiry date | Jul 30, 2041 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD21H21/18
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
The invention is in the field of papermaking. It provides methods for improving the compressive strength of paper and board by improving the moisture resistance of paper and board. The invention also provides paper and board with an improved compressive strength as well as a composition for improving the compressive strength of paper and board. More in particular, the invention relates to a process for the manufacture of paper wherein the process comprises a wet phase and a dry phase, wherein an enzymatically oxidized lignin is added in the wet phase.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.