Process for producing formaldehyde
US4014939A · kind A · utility
5Cited by
7References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 5, 1975 |
| Grant date | Mar 29, 1977 |
| Priority date | — |
| Expiry date | Jun 5, 1995 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C45/86
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Methanol is dehydrogenated at 500-750.degree. C. using a catalyst whose active components are copper, zinc and sulfur to form a stable product containing 30 to 85% by weight of formaldehyde, 0 to 2% by weight of water, the balance being methanol.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.