Inventor

WITTMAN RICKY L

US8 patents

⚠️ This page may combine multiple inventors who share the name “WITTMAN RICKY L”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

AMOCO CORP

5 patents

US4743577AMay 10, 1988

Catalyst composition

AMOCO CORP59 citations95

US5362908ANov 8, 1994

Catalyst and method for purifying crude terephthalic acid, isophthalic acid or naphthalene dicarboxylic acid

AMOCO CORP51 citations92

US4933492AJun 12, 1990

Purification of crude isophthalic acid

AMOCO CORP23 citations92

US4808751AFeb 28, 1989

Method for reactivating a group VIII noble metal catalyst for use in the purification of crude terephthalic acid

AMOCO CORP11 citations73

US4728630AMar 1, 1988

Rhodium on carbon catalyst

AMOCO CORP16 citations73

BP CORP NORTH AMERICA INC

1 patent

US7135596B2Nov 14, 2006

Method of removing iron contaminants from liquid streams during the manufacture and/or purification of aromatic acids

BP CORP NORTH AMERICA INC8 citations71

STANDARD OIL CO

1 patent

US4122037AOct 24, 1978

Preparation of an aqueous solution containing ions of at least manganous and bromide ions from a water soluble manganous salt and elemental bromine

STANDARD OIL CO0 citations49

NUBEL PHILIP O

1 patent

US8492583B2Jul 23, 2013

Process for purification of aromatic carboxylic acids

NUBEL PHILIP O1 citations40