C. Charles Lewchalermwong

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Charlotte, NC, US

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Patents Grantslast 30 patents

Information Patent Grant
Process for manufacture of ferric nitrate
- Patent number 4,808,393
- Issue date Feb 28, 1989
- Mineral Research and Development Corp.
- C. Charles Lewchalermwong
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Fire retardant composition
- Patent number 4,725,382
- Issue date Feb 16, 1988
- Chemical Specialties, Inc.
- C. Charles Lewchalermwong
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...