Inventor
W. Robert Hatfield
Inventor
Westfield, NJ, US
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C22Bprimary
C22BProduction and refining of metals25%
Y02PClimate change mitigation technologies in the production or processing of goods25%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry17%
C01BNon-metallic elements17%
Y10TTechnical subjects covered by former us classification17%
PatentTitleYear
5,108,730'Low temperatue light off ammonia oxidation'19924,863,893'Low temperature light off ammonia oxidation'19894,526,614'Method for recovering platinum in a nitric acid plant'19854,497,657'Method for recovering platinum in a nitric acid plant'19854,412,859'Method for recovering platinum in a nitric acid plant'1983Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1983–1992Patents assigned to ENGELHARD CORP (5)· patent assignee history
1983–1992Based in Westfield, NJ, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ENGELHARD CORP | 5 | 1983–1992 |
Locations
| Location | Patents | Span |
|---|---|---|
| Westfield, New Jersey, US | 5 | 1983–1992 |