US 5166001
CERAMIC COATINGS
Assignee
ETHYL CORPORATION, RICHMOND
Filed
Mar 4, 1988
Granted
Nov 24, 1992
Location
BATON ROUGE LA US
Abstract
Preceramic compositions which are useful in providing protective ceramic coatings on carbon/carbon composites, graphite, and other carbonaceous materials are prepared by dispersing about 0.4-1.5 parts by weight of silicon carbide, silicon nitride, or a mixture thereof in a solution of one part by weight of a polysilazane in about 2.5-10 parts by weight of a liquid aromatic hydrocarbon.
Source: Google Patents
35 USC §181 Secrecy Order
Imposed
Jul 14, 1989
Rescinded
May 27, 1992
Duration
2 years, 10 months
Inventor
- 1LEONARD M. NIEBYLSKI
Record Details
- Patent number
- US 5166001
- Application
- 07164012
- Aerospace match
- No
- Dataset source
- 35 USC §181 SO records
Browse by Assignee
ETHYL CORPORATION, RICHMONDBack to patent indexSource: USPTO 35 USC §181 secrecy order records