Inventor
ZELLER III ROBERT L
US12 patents
⚠️ This page may combine multiple inventors who share the name “ZELLER III ROBERT L”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
OCCIDENTAL CHEM CO
8 patentsUS5279804AJan 18, 1994
Vanadium removal in aqueous streams
OCCIDENTAL CHEM CO9 citations71
US5215727AJun 1, 1993
Method of making chromic oxide
OCCIDENTAL CHEM CO11 citations71
US5431792AJul 11, 1995
Method of making hypophosphorous acid
OCCIDENTAL CHEM CO10 citations68
US12180133B2Dec 31, 2024
Photochlorination of partially-chlorinated chloromethanes to carbon tetrachloride
OCCIDENTAL CHEM CO0 citations60
US11780792B2Oct 10, 2023
Photochlorination of partially-chlorinated chloromethanes to carbon tetrachloride
OCCIDENTAL CHEM CO0 citations60
US5122238AJun 16, 1992
Efficient electrolytic method of making chromic acid from sodium bichromate
OCCIDENTAL CHEM CO3 citations60
US5520902AMay 28, 1996
Process for making chromium-free orthorhombic sodium sulfate
OCCIDENTAL CHEM CO0 citations45
US5034211AJul 23, 1991
Reducing turbidity in chromic acid solutions
OCCIDENTAL CHEM CO1 citations40