Horst Tappe
32Patents
7h-index
33Co-inventors
65Inventor score
Filing activity: Jul 29, 1977 → Jun 5, 1995
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4265629A | Process for the production of resist effects on polyester/cellulose mixed fiber textiles | Textiles; Paper | 14 | Expired |
| US4678476A | Mixtures of blue mono-azo disperse dyestuffs and their use for dyeing polyester | Emerging Cross-Sectional Technologies | 9 | Expired |
| US4406661A | Process for dyeing and printing synthetic, hydrophobic fibre material with dischargeable azo disperse dye | Emerging Cross-Sectional Technologies | 9 | Expired |
| US4374640A | Dyeing-stable modification of a disperse dyestuff, processes for its preparation and use | Chemistry; Metallurgy | 8 | Expired |
| US5484458A | Triphendioxazine compounds, processes for their preparation and their use as dyestuffs | Chemistry; Metallurgy | 8 | Expired |
| US4386935A | Process for producing discharge reserve prints on textile materials with amino-azo-benzene dyes | Textiles; Paper | 7 | Expired |
| US5243034A | Disazo dyestuffs having a triazine moiety and a fiberreactive group of vinylsulfone series | Chemistry; Metallurgy | 7 | Expired |
| US4252530A | Process for dyeing and printing synthetic hydrophobic fiber material | Textiles; Paper | 6 | Expired |
| US4472307A | Preparation of anilino azo carbazole dyestuffs prepared by diazotization by nitrosylsulphuric acid in acetic acid | Chemistry; Metallurgy | 5 | Expired |
| US4431585A | Water-insoluble azo dyestuffs, processes for their manufacture and their use for dyeing and printing synthetic hydrophobic fiber material | Chemistry; Metallurgy | 5 | Expired |
| US4440681A | Water-insoluble monoazo dyestuffs and their preparation | Chemistry; Metallurgy | 5 | Expired |
| US4342688A | Process for the manufacture of an N-hydroxyalkylcarbazole | Chemistry; Metallurgy | 4 | Expired |
| US4802889A | 2-cyano-4,6-dinitrophenyl mono-azo dyes for polyester and cellulose acetate | Emerging Cross-Sectional Technologies | 4 | Expired |
| US4322213A | Process for the production of reserve effects on polyestercellulose mixed fiber textiles | Chemistry; Metallurgy | 4 | Expired |
| US5138041A | Water-soluble fiber-reactive monoazo and disazo dyestuffs having a s-triazinylamino group and three fiber-reactive groups of the vinylsulfone series | Chemistry; Metallurgy | 4 | Expired |
| US4963661A | Water soluble naphthylazopyrazolone dyestuffs having fiber-reactive groups of the vinylsulfone series | Chemistry; Metallurgy | 3 | Expired |
| US4413144A | 4-Isopropyl-4'-nitrobenzophenone and a process for the preparation of 4'-nitrobenzophenones substituted in the 4-position | Chemistry; Metallurgy | 3 | Expired |
| US4620853A | Dyestuff mixtures, process for their preparation and process for dyeing and printing hydrophobic fiber materials | Emerging Cross-Sectional Technologies | 3 | Expired |
| US4857070A | 2,4-Diaminophenyl tetrahydrofurfuryl ethers, processes for their preparation and tinting compositions, which contain them for keratinic fibres | Chemistry; Metallurgy | 2 | Expired |
| US4349348A | Process for printing synthetic, hydrophobic fiber material | Chemistry; Metallurgy | 2 | Expired |
| US5548072A | Water-soluble phenyl azo aminoaphtol azo compounds containing a fibre-reactive group of the vinylsulfone series and a morpholino-fluorotriazinyl group, suitable as dyestuffs | Chemistry; Metallurgy | 2 | Expired |
| US4306874A | Process for printing synthetic, hydrophobic fiber material in accordance with the principle of transfer printing | Chemistry; Metallurgy | 2 | Expired |
| US4567252A | Water-insoluble naphthol monoazo dyestuff | Emerging Cross-Sectional Technologies | 2 | Expired |
| US4158670A | Process for the manufacture of aromatic sulphonic acid esters of aromatic amino-hydroxy compounds | Chemistry; Metallurgy | 1 | Expired |
| US4948879A | Monoazo compounds containing a fiber-reactive group and an oxazolopyridone or oxazinopyridone coupling component | Chemistry; Metallurgy | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.