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Inventor

Ricky L. Wittman

Inventor
Aurora, IL, US

Overview

8→
Patents
1978–2013
Patent span
Chemistry
Primary field (CPC C)

Patents· 8 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

C07Cprimary
C07CAcyclic or carbocyclic compounds46%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry38%
C01GCompounds containing metals not covered by subclasses c01d or c01f8%
Y02PClimate change mitigation technologies in the production or processing of goods8%
PatentTitleYear
8,492,583'Process for purification of aromatic carboxylic acids'20137,135,596'Method of removing iron contaminants from liquid streams during the manufacture and/or purification of aromatic acids'20065,362,908'Catalyst and method for purifying crude terephthalic acid, isophthalic acid or naphthalene dicarboxylic acid'19944,933,492'Purification of crude isophthalic acid'19904,808,751'Method for reactivating a group VIII noble metal catalyst for use in the purification of crude terephthalic acid'19894,743,577'Catalyst composition'19884,728,630'Rhodium on carbon catalyst'19884,122,037'Preparation of an aqueous solution containing ions of at least manganous and bromide ions from a water soluble manganous salt and elemental bromine'1978

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1978–1989Based in Montgomery, IL, US· patent location history
1988–1994Patents assigned to AMOCO CORP (5)· patent assignee history
1990–2013Based in Aurora, IL, US· patent location history
2006–2013Patents assigned to BP CORP NORTH AMERICA INC (2)· patent assignee history
2013Patents assigned to FOSTER SR JEFFREY J (1)· patent assignee history
2013Patents assigned to HADDAD MUIN S (1)· patent assignee history
2013Patents assigned to NUBEL PHILIP O (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
AMOCO CORP51988–1994
BP CORP NORTH AMERICA INC22006–2013
FOSTER SR JEFFREY J12013
HADDAD MUIN S12013
NUBEL PHILIP O12013
Locations
LocationPatentsSpan
Aurora, Illinois, US41990–2013
Montgomery, Illinois, US41978–1989