Inventor
Ichiro Okubo
Inventor
Hachioji, JP
Overview
Patents· 8 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C09Bprimary
C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments33%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients24%
D06PDyeing or printing textiles14%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests14%
C01BNon-metallic elements5%
C07CAcyclic or carbocyclic compounds5%
C07DHeterocyclic compounds5%
PatentTitleYear
4,036,805'Coloring of the organic materials with naphthacenequinones'19774,033,923'Coloring resins by mixing naphthacenequinones therewith'19774,032,539'Coloring of organic materials with asymmetric thioindigoid compounds'19774,017,509'Process for producing substituted or unsubstituted 2-phenyl-1.2.3.-triazole-4-carboxaldehyde'19773,994,932'Process for the preparation of 1-aminoanthraquinone'19763,986,826'Dyeing synthetic and semisynthetic materials with naphthacenequinine derivatives'19763,963,429'Coloring of organic materials with asymmetric thioindigoid compounds'19763,960,479'Coloring of organic materials with asymmetric thioindigoid compounds'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–1977Patents assigned to MITSUI TOATSU CHEMICALS (8)· patent assignee history
1976–1977Based in Hachioji, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MITSUI TOATSU CHEMICALS | 8 | 1976–1977 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hachioji, JP | 8 | 1976–1977 |