David A. Longhini

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Uniontown, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Preparation of amorphous, precipitated silica and siliceous filler-...
- Patent number 4,681,750
- Issue date Jul 21, 1987
- PPG Industries, Inc.
- Harlan B. Johnson
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method for producing vinyl chloride
- Patent number 4,590,318
- Issue date May 20, 1986
- PPG Industries, Inc.
- David A. Longhini
- C07 - ORGANIC CHEMISTRY