Inventor
HEDBERG FREDERICK L
9 patents
⚠️ This page may combine multiple inventors who share the name “HEDBERG FREDERICK L”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
US AIR FORCE
8 patentsUS4147868AApr 3, 1979
Acetylene-substituted aromatic benzils and acetylene-terminated quinoxaline compositions
US AIR FORCE10 citations73
US4098825AJul 4, 1978
Acetylene-substituted aromatic benzils and acetylene-terminated quinoxaline compositions
US AIR FORCE7 citations73
US4045409AAug 30, 1977
Thermally stable, highly fused imide compositions
US AIR FORCE10 citations73
US4038320AJul 26, 1977
Phenylethynyl substituted aromatic diamines
US AIR FORCE15 citations73
US4162265AJul 24, 1979
Aromatic enyne compounds and their synthesis
US AIR FORCE4 citations62
US4151358AApr 24, 1979
Ethynyl-substituted bis-naphthalimides
US AIR FORCE1 citations62
US4086248AApr 25, 1978
Ethynyl-substituted aromatic anhydrides
US AIR FORCE3 citations62
US3944614AMar 16, 1976
2,2'-Bis(phenylethynyl-5,5'-diaminobenzidine
US AIR FORCE1 citations51