Water repellent oil repellent agent for fibers and fiber product
US12168707B2 · kind B2 · utility
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Key dates
| Filing date | Aug 27, 2019 |
| Grant date | Dec 17, 2024 |
| Priority date | — |
| Expiry date | Mar 1, 2042 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD10B2401/021
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A water- and oil-repellent agent for fibers containing a bottle brush polymer having a structure represented by the following formula (1), wherein R1 is H or CH3; R2 is a divalent organic group; R3 is a polymer chain having a structure represented by the following formula (2) (wherein R4 is H or CH3; R5 is a C16-C40 monovalent hydrocarbon group; and n is an integer of 10 to 1000); and m is an integer of 10 to 5000:
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.