US 5030706
COPOLYMERS CONTAINING POLYBENZOXAZOLE, POLYBENZOTHIAZOLE AND POLYBENZIMIDAZOLE MOIETIES
Assignee
DOW CHEMICAL COMPANY, THE
Filed
Mar 23, 1989
Granted
Jul 9, 1991
Location
MIDLAND MI US
Abstract
Block copolymers can be formed from heterocyclic polymers such as PBO and thermoplastic polymers such as p STATEMENT OF GOVERNMENT INTEREST This invention was made with Government support under contract F33615-86-C-5068 awarded by the Department of the Air Force. The Government has certain rights in this invention.
Source: Google Patents
35 USC §181 Secrecy Order
Imposed
Jun 25, 1990
Rescinded
Nov 23, 1990
Duration
5 months
Inventor
- 1WILLIAM J. HARRIS
Record Details
- Patent number
- US 5030706
- Application
- 07327925
- Aerospace match
- No
- Dataset source
- 35 USC §181 SO records
Browse by Assignee
DOW CHEMICAL COMPANY, THEBack to patent indexSource: USPTO 35 USC §181 secrecy order records