Patent · US Expired

Oxidizing methane to formaldehyde

US3996294A · kind A · utility

4Cited by

4References

4Claims

0Family size

Assignee

BAYER HEALTHCARE LLC · DE

Inventors

Laszlo Imre
Heinrich Nassenstein

Key dates

Filing date	Jan 23, 1975
Grant date	Dec 7, 1976
Priority date	—
Expiry date	Jan 23, 1995

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07C45/33
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

In the gas phase reaction of methane and oxygen at elevated temperature to form formaldehyde, the improvement which comprises effecting the reaction in the presence of silicon dioxide as catalyst, the silicon dioxide having a large internal surface area. Other metal oxides may be mixed with the silicon dioxide.

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