Frederick L. Hedberg

Person

Xenia, OH, US

People

Patents Grantslast 30 patents

Information Patent Grant
Process for preparing halogen-terminated oligomers useful in the pr...
- Patent number 4,550,210
- Issue date Oct 29, 1985
- The University of Dayton
- Frederick L. Hedberg
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Aromatic enyne compounds and their synthesis
- Patent number 4,162,265
- Issue date Jul 24, 1979
- The United States of America as represented by the Secretary of the Air Force
- Fred E. Arnold
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Ethynyl-substituted bis-naphthalimides
- Patent number 4,151,358
- Issue date Apr 24, 1979
- The United States of America as represented by the Secretary of the Air Force
- Fred E. Arnold
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Acetylene-substituted aromatic benzils and acetylene-terminated qui...
- Patent number 4,147,868
- Issue date Apr 3, 1979
- The United States of America as represented by the Secretary of the Air Force
- Fred E. Arnold
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Acetylene-substituted aromatic benzils and acetylene-terminated qui...
- Patent number 4,098,825
- Issue date Jul 4, 1978
- The United States of America as represented by the Secretary of the Air Force
- Fred E. Arnold
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Ethynyl-substituted aromatic anhydrides
- Patent number 4,086,248
- Issue date Apr 25, 1978
- The United States of America as represented by the Secretary of the Air Force
- Fred E. Arnold
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Thermally stable, highly fused imide compositions
- Patent number 4,045,409
- Issue date Aug 30, 1977
- The United States of America as represented by the Secretary of the Air Force
- Fred E. Arnold
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Phenylethynyl substituted aromatic diamines
- Patent number 4,038,320
- Issue date Jul 26, 1977
- The United States of America as represented by the Secretary of the Air Force
- Fred E. Arnold
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
2,2'-Bis(phenylethynyl-5,5'-diaminobenzidine
- Patent number 3,944,614
- Issue date Mar 16, 1976
- The United States of America as represented by the Secretary of the Air Force
- Frederick L. Hedberg
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Frederick L. Hedberg

Person

Patents Grantslast 30 patents

Process for preparing halogen-terminated oligomers useful in the pr...

Aromatic enyne compounds and their synthesis

Ethynyl-substituted bis-naphthalimides

Acetylene-substituted aromatic benzils and acetylene-terminated qui...

Acetylene-substituted aromatic benzils and acetylene-terminated qui...

Ethynyl-substituted aromatic anhydrides

Thermally stable, highly fused imide compositions

Phenylethynyl substituted aromatic diamines

2,2'-Bis(phenylethynyl-5,5'-diaminobenzidine