Inventor
Yasuhisa Emoto
Inventor
Hyogo, JP
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C07Cprimary
C07CAcyclic or carbocyclic compounds50%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry40%
C07DHeterocyclic compounds10%
PatentTitleYear
6,452,021'Process for producing pyromellitic anhydride'20026,153,767'Production process for pyromellitic dianhydride'20005,902,907'Method for production of fluorenone'19995,663,114'Catalyst for production of pyromellitic anhydride and method for production of pyromellitic anhydride'19975,504,218'Method for production pyromellitic anhydride'1996Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1996–2002Patents assigned to NIPPON CATALYTIC CHEM IND (5)· patent assignee history
1996–2002Based in Hyogo, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NIPPON CATALYTIC CHEM IND | 5 | 1996–2002 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hyogo, JP | 5 | 1996–2002 |