Patent · US Active

Crushed foam coating

US11326038B2 · kind B2 · utility

1Cited by
18References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 6, 2016
Grant dateMay 10, 2022
Priority date
Expiry dateDec 6, 2036

Classification

  • Technology area (CPC D)Textiles; Paper
  • CPC primaryD06N2211/122
  • WIPO fieldOther special machines
  • WIPO sectorMechanical engineering

Abstract

Provided is a process for producing a coating on a substrate comprising one or more steps of crushing a dried layer of a foamed aqueous coating composition, wherein the aqueous coating composition comprises a collection of multi-stage copolymer particles having a weight average diameter of 2-20 μm, wherein said multi-stage copolymer particles comprise a core having a glass transition temperature (Tg) of 20° C. or less. Also provided is a coated substrate made by that process.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.