Edgar S. Hayman Jr.

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Doylestown, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Acid inhibitor composition and process in hydrofluoric acid chemica...
- Patent number 4,104,303
- Issue date Aug 1, 1978
- Amchem Products, Inc.
- James Douglas Anderson
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Acid inhibitor composition and process in hydrofluoric acid chemica...
- Patent number 3,992,313
- Issue date Nov 16, 1976
- Amchem Products, Inc.
- James Douglas Anderson
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...