Patent · US Expired

Method of use for aldehyde removal

US7041220B2 · kind B2 · utility

1Cited by
10References
21Claims
0Family size

Inventors

Key dates

Filing dateJun 27, 2003
Grant dateMay 9, 2006
Priority date
Expiry dateFeb 3, 2024

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S210/908
  • WIPO fieldEnvironmental technology
  • WIPO sectorChemistry

Abstract

Methods and a device for removing aldehydes from a waste stream are disclosed. In a preferred embodiment, the device provides for and the method uses a chemical or an aminated surface having primary amine functionality resulting from the amination of a support material such as silica.

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