Inventor
Reinhard Kuhn
Inventor
Frankfurt am Main, DE
Overview
Patents· 18 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. pigments43%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests38%
D06PDyeing or printing textiles20%
PatentTitleYear
5,466,791'Monoazo dyes, their preparation and use'19955,428,138'Red 2,6-dicyanophenylazo dyes and the preparation and use thereof'19955,288,680'Process for the preparation of finished dyeings which are fast to thermomigration: orange-dyed polyester fabrics'19945,207,804'Multi-component mixtures of bright red disperse azo dyestuffs'19935,174,792'Mixtures of monoazo dyes: dicyano-nitrobenzene azo compounds'19925,160,495'2-cyano-4,6-dimitro-phenyl monoazo dyestuffs'1992RE033908'Mixtures of blue mono-azo disperse dyestuffs and their use for dyeing polyester'19925,102,425'Process for the dyeing and printing of blended fabrics made of polyester and natural fibre materials with cyano-hydroxy-methyl pyridone, azo disperse dye to reduce staining'19925,071,443'Blue azo dyestuff mixture for strong blue color on hydrophobic fibers'19914,985,044'Multi-component mixtures of blue disperse azo dyes for the dyeing of synthetic fibers'19914,985,043'Mixtures of monoazo dyes containing halogen and cyano substituents'19914,950,305'Water-insoluble monoazo dyes, their preparation and use, and mixtures of these monoazo dyes'19904,872,882'Dyeing formulations of mixtures of red disperse dyes for the washfast dyeing of polyester fibers or mixtures thereof with cellulose fibers: benzo-di-furanone and azo dyes'19894,851,012'Mixtures of blue disperse monoazo dyestuffs'19894,802,889'2-cyano-4,6-dinitrophenyl mono-azo dyes for polyester and cellulose acetate'19894,750,912'Exhaust method for dyeing fine-denier polyester fibers in dark shades with disperse dye mixtures'19884,689,050'Mixtures of blue disperse azo dyestuffs for dyeing synthetic fibers'19874,678,476'Mixtures of blue mono-azo disperse dyestuffs and their use for dyeing polyester'1987Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1987–1995Patents assigned to CASSELLA FARBWERKE MAINKUR AG (11)· patent assignee history
1987–1993Patents assigned to HOECHST AG (5)· patent assignee history
1987–1995Based in Frankfurt am Main, DE· patent location history
1995Patents assigned to CASSELLA AG (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CASSELLA FARBWERKE MAINKUR AG | 11 | 1987–1995 |
| HOECHST AG | 5 | 1987–1993 |
| CASSELLA AG | 1 | 1995 |
Locations
| Location | Patents | Span |
|---|---|---|
| Frankfurt am Main, DE | 18 | 1987–1995 |