Inventor
Sadaharu Abeta
Inventor
Toyonaka, JP
Overview
Patents· 13 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. pigments32%
D06PDyeing or printing textiles29%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests29%
C07DHeterocyclic compounds3%
C14CChemical treatment of hides, skins or leather, e.g. tanning, impregnating, finishing3%
Y10TTechnical subjects covered by former us classification3%
PatentTitleYear
4,626,257'Method for dyeing polyester fiber materials: disperse dye combinations with compensated color fading'19864,482,350'Reactive dye composition for cellulose fiber'19844,439,205'Aqueous liquid dye composition: storage stable reactive dye with reduction inhibitor'19844,411,666'Process for dyeing polyolefin fiber materials'19834,384,868'Reactive dye composition and its use for dyeing'19834,349,349'Aqueous liquid composition of reactive dye'19824,283,195'Dyestuff composition for dyeing or printing cellulose fiber materials'19814,190,687'Method for treating leather'19803,977,827'Process for dyeing acid-modified polyester fibers'19763,974,178'Naphthostyril cationic dyes'19763,958,287'Dischargeable black dyeing on acid modified polyester fiber'19763,948,598'Black-dyeing process of basic dyeable polyester fibers'19763,942,946'Black dyeing of acid-modified polyester fiber'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–1986Patents assigned to SUMITOMO CHEMICAL CO (13)· patent assignee history
1976–1984Based in Toyonaka, JP· patent location history
1986Based in Osaka, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SUMITOMO CHEMICAL CO | 13 | 1976–1986 |
Locations
| Location | Patents | Span |
|---|---|---|
| Toyonaka, JP | 12 | 1976–1984 |
| Osaka, JP | 1 | 1986 |