US 4814303
ANORTHITE-CORDIERITE BASED CERAMICS FROM ZEOLITES
Assignee
E. I. DU PONT DE NEMOURS AND COMPANY, WILMINGTON, DE. A CORP. OF DE.
Filed
Sep 25, 1987
Granted
Mar 21, 1989
Location
WILMINGTON DE US
Abstract
Process for producing monolithic ceramic articles by sintering at temperatures from about 900° C. to about 1350° C. a shaped zeolite charge comprised of selected zeolites with Si/Al ratios of from about 0.7 to about 5.
Source: Google Patents
35 USC §181 Secrecy Order
Imposed
Mar 9, 1988
Rescinded
Apr 5, 1988
Duration
27 days
Inventor
- 1UMA CHOWDHRY
Record Details
- Patent number
- US 4814303
- Application
- 07101306
- Aerospace match
- No
- Dataset source
- 35 USC §181 SO records
Browse by Assignee
E. I. DU PONT DE NEMOURS AND COMPANY, WILMINGTON, DE. A CORP. OF DE.Back to patent indexSource: USPTO 35 USC §181 secrecy order records