US 5196059
PRECERAMIC COMPOSITIONS AND CERAMIC PRODUCTS
Assignee
ETHYL CORPORATION, RICHMOND, VA A CORP. OF VA
Filed
Jan 17, 1990
Granted
Mar 23, 1993
Location
BIRMINGHAM MI US
Abstract
Preceramic compositions which are useful in providing protective ceramic coatings on silica foams, carbon/carbon composites, graphite, and other materials are prepared by dispersing about 0-3 parts by weight of aluminum-silicon eutectic, about 0-4 parts by weight of silicon carbide, about 1.5-5 parts by weight of silicon boride, and about 0.4-5 parts by weight of silicon metal in a solution of one part by weight of a polysilazane in an organic solvent.
Source: Google Patents
35 USC §181 Secrecy Order
Imposed
Dec 7, 1990
Rescinded
May 26, 1992
Duration
1 year, 5 months
Inventor
- 1LEONARD M. NIEBYLSKI
Record Details
- Patent number
- US 5196059
- Application
- 07466622
- Aerospace match
- No
- Dataset source
- 35 USC §181 SO records
Browse by Assignee
ETHYL CORPORATION, RICHMOND, VA A CORP. OF VABack to patent indexSource: USPTO 35 USC §181 secrecy order records