Inventor
Zunzi Tashima
Inventor
Ohmuta, JP
Overview
Patents· 3 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C07Cprimary
C07CAcyclic or carbocyclic compounds75%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds25%
PatentTitleYear
5,364,958'Process for the production of methylene-crosslinked polyphenylene polyisocyanate'19945,179,227'Fractionation process of reaction mixture containing methylene bridged polyphenylene polyisocyanate'19935,053,539'Methylene-crosslinked polyarylamine and process for preparing same'1991Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1991–1994Patents assigned to MITSUI TOATSU CHEMICALS (3)· patent assignee history
1991–1993Based in Ohmuta, JP· patent location history
1994Based in Omuta, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MITSUI TOATSU CHEMICALS | 3 | 1991–1994 |
Locations
| Location | Patents | Span |
|---|---|---|
| Ohmuta, JP | 2 | 1991–1993 |
| Omuta, JP | 1 | 1994 |