Reinhard Hahnle
16Patents
6h-index
18Co-inventors
63Inventor score
Filing activity: Jan 3, 1974 → Dec 3, 1993
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4422854A | Transfer printing support, process for the manufacture thereof, with blue azo dye:di-cyano-nitro-phenyl-azo aniline | Emerging Cross-Sectional Technologies | 28 | Expired |
| US4898933A | Water-soluble fiber-reactive aminotriazine and vinylsulfone containing azo dyestuffs having carboxy- or carbamoyl pyridinium groups | Chemistry; Metallurgy | 9 | Expired |
| US4381262A | Water-insoluble azo dyestuffs, their manufacture and their use | Chemistry; Metallurgy | 7 | Expired |
| US4806127A | Water-soluble disazo compounds, containing triazinyl pyridinium group processes for their preparation and their use for dyeing cellulose | Emerging Cross-Sectional Technologies | 6 | Expired |
| US4430090A | Process for coloring organic solvents, mineral oil products, waxes, plastics and surface coatings with cyano-nitro-amino-azo dyes | Emerging Cross-Sectional Technologies | 6 | Expired |
| US4473498A | Water-soluble, fiber-reactive organic dyestuffs containing a .beta.-chloro-ethylsulfonyl-methyl-benzoic acid amide group | Chemistry; Metallurgy | 6 | Expired |
| US5227475A | Water-soluble fiber-reactive dyestuffs containing a cyanamido-substituted triazinylamino-grouping, and a process for dyeing with the use of these dyes | Emerging Cross-Sectional Technologies | 6 | Expired |
| US4257943A | Disperse azo dyestuffs and process for preparation and their use | Textiles; Paper | 4 | Expired |
| US4689050A | Mixtures of blue disperse azo dyestuffs for dyeing synthetic fibers | Emerging Cross-Sectional Technologies | 4 | Expired |
| US4861344A | Reactive water-soluble azo dyes containing carboxy- or carbamoyl-pydridinium groups for dyeing textiles | Emerging Cross-Sectional Technologies | 4 | Expired |
| US3939141A | Water-soluble copper complex phenyl azo naphthalene reactive dyestuffs | Chemistry; Metallurgy | 3 | Expired |
| US4845202A | Water-soluble disazo compounds containing 3-carboxy or 3-carbamoylpyridium-s-triazinyl groups and fiber-reactive groups of the vinyl sulfone series suitable as dyestuffs | Chemistry; Metallurgy | 3 | Expired |
| US4719053A | Beta-chloroethylsulfonylmethyl-benzoic halides as intermediates | Chemistry; Metallurgy | 3 | Expired |
| US4552699A | Process for the preparation of 3-acylaminoanilines | Chemistry; Metallurgy | 1 | Expired |
| US4975540A | Water-soluble disazo dyestuffs containing a vinylsulfonyl or b-sulfatoethylsulfonyl-substituted nitrophenylamino group, suitable as dyestuffs | Chemistry; Metallurgy | 0 | Expired |
| US5430147A | Water-soluble anthraquinone compounds, preparation thereof, and use thereof as dyes | Emerging Cross-Sectional Technologies | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.