Charles A. Langhoff

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Midland, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
Thiodiphenol copolycarbonates and their use as components of multil...
- Patent number 5,532,331
- Issue date Jul 2, 1996
- The Dow Chemical Company
- Stephen E. Bales
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Optically dissimilar composition for polymeric reflective bodies
- Patent number 5,278,694
- Issue date Jan 11, 1994
- The Dow Chemical Company
- John A. Wheatley
- B32 - LAYERED PRODUCTS
Information Patent Grant
Laser flash thermal conductivity apparatus and method
- Patent number 4,928,254
- Issue date May 22, 1990
- Arne K. Knudsen
- G01 - MEASURING TESTING
Information Patent Grant
Process for the preparation of submicron-sized boron carbide powders
- Patent number 4,895,628
- Issue date Jan 23, 1990
- The Dow Chemical Company
- Arne K. Knudsen
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES