Patent · US Active

Water repellent oil repellent agent for fibers and fiber product

US12168707B2 · kind B2 · utility

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Key dates

Filing dateAug 27, 2019
Grant dateDec 17, 2024
Priority date
Expiry dateMar 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.