Patent · US Active

Material for rapid gas sorption in loudspeakers

US10349164B2 · kind B2 · utility

0Cited by
26References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 28, 2016
Grant dateJul 9, 2019
Priority date
Expiry dateDec 8, 2036

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB01D2257/104
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

An assemblage of substantially round particles with a mean diameter between 0.1 and 4 mm, more preferable between 0.3 to 2 mm and most preferable between 0.8 to 1.2 mm, wherein the density of the assemblage determined by ISO 697 is between 250 kg/m3 and 400 kg/m3 is disclosed. The substantially round particles comprise at least one microporous material and optionally at least one binder, wherein the assemblage comprises a pore volume, wherein the pore volume comprises pores resulting from void space between different ones of the substantially round particles and pores within the substantially round particles.

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