Earl J. Estopinal Jr.

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Monroe, LA, US

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Patents Grantslast 30 patents

Information Patent Grant
Carbon black process
- Patent number 4,391,789
- Issue date Jul 5, 1983
- Columbian Chemicals Company
- Earl J. Estopinal
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Reduction of the degradation of refractories in a carbon black reactor
- Patent number 4,342,736
- Issue date Aug 3, 1982
- Columbian Chemicals Company
- Earl J. Estopinal
- C01 - INORGANIC CHEMISTRY