US 4897375
PROCESS OF PREPARING CATALYTIC BRASS
Assignee
ALLOY SURFACES COMPANY, INC., WILMINGTON, DE. A DE CORP.
Filed
Mar 28, 1983
Granted
Jan 30, 1990
Location
WYNNEWOOD PA US
Abstract
Self-supporting web of brass or similar cupreous metal is catalytically activated by diffusing aluminum into its surface at low temperatures and then leaching out some of that aluminum with dilute mineral acid, preferably HNO3, or ammonium persulfate. Resulting catalyst is very effective for reaction of CO with H2 to make methanol, and web provides very good thermal conductivity for improved temperature control. Activation can be confined to one face of web. Other self-supporting catalysts can be made similarly.
Source: Google Patents
35 USC §181 Secrecy Order
Imposed
Oct 4, 1984
Rescinded
Aug 30, 1988
Duration
3 years, 11 months
Inventor
- 1ALFONSO L. BALDI
Record Details
- Patent number
- US 4897375
- Application
- 06479211
- Aerospace match
- No
- Dataset source
- 35 USC §181 SO records
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ALLOY SURFACES COMPANY, INC., WILMINGTON, DE. A DE CORP.Back to patent indexSource: USPTO 35 USC §181 secrecy order records