Inventor
Gustav Kapaun
Inventor
Bad Soden, DE
Overview
Patents· 9 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. pigments62%
C09DCoating compositions, e.g. paints, varnishes or lacquers15%
C07DHeterocyclic compounds8%
D06PDyeing or printing textiles8%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests8%
PatentTitleYear
5,716,446'Isoindoline pigments based on aminoquinoxalinediones'19985,698,705'Isoindoline pigments'19975,510,494'Process for the preparation of C.sub.1 -C.sub.4 -alkyl or C.sub.1 -C.sub.4 -alkoxy and unsubstituted 2-(cyanomethyl)benzimidazole'19965,074,919'Preparation of vat dyes and pigments of the perinone series'19914,986,852'Pigments and use thereof'19914,372,892'Process for the preparation of 1-aminobenzene-5-.beta.-sulfatoethylsulfone-2,4-disulfonic acid, the 5-vinylsulfone compound and the alkali salts thereof'19834,134,887'Phenyl-azo-phenyl dyestuffs'19794,074,967'Dyestuff preparations for dyeing and printing natural and synthetic polyamide fibre materials'19784,066,638'Water-soluble fiber reactive phenyl-azo-naphthyl dyestuffs containing two sulfo groups in the phenyl moiety'1978Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1978–1998Patents assigned to HOECHST AG (9)· patent assignee history
1978–1983Based in Neuenhain, Taunus, DT· patent location history
1991–1998Based in Bad Soden, DE· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HOECHST AG | 9 | 1978–1998 |
Locations
| Location | Patents | Span |
|---|---|---|
| Bad Soden, DE | 5 | 1991–1998 |
| Neuenhain, Taunus, DT | 4 | 1978–1983 |