Patent · US Active

Selective masking and plugging of honeycomb bodies

US11851379B2 · kind B2 · utility

0Cited by
4References
19Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 26, 2019
Grant dateDec 26, 2023
Priority date
Expiry dateJul 2, 2040

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC04B2111/00793
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A method of plugging a honeycomb body is disclosed herein, the method comprising: contacting a first end of the honeycomb body comprising a plurality of channels with a light curable sealing mixture such that an infiltrate of the light curable sealing mixture flows into the plurality of channels proximate the first end; emitting a light toward a first portion of the infiltrate within the plurality channels of the filter; and curing the first portion of the infiltrate within the channels with the light to form a plurality of seals.

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