Patent · US Expired

Column packing material and method for producing the same

US7329386B2 · kind B2 · utility

4Cited by
3References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 30, 2002
Grant dateFeb 12, 2008
Priority date
Expiry dateFeb 17, 2024

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/31663
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

The first subject of this invention is a column packing material comprising: The second subject of this invention is a method for producing a column packing material comprising the following steps (A) to (C):

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