Beat Henzi
17Patents
4h-index
7Co-inventors
53Inventor score
Filing activity: Jul 30, 1973 → Oct 19, 1993
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4432770A | Rapid dyeing of polyester fibers with a mixture of disperse dyes | Emerging Cross-Sectional Technologies | 6 | Expired |
| US5132411A | Azo compounds having 2,4-disubstituted-3-halothienyl-5-diazo component radicals, dyeing processes therewith and substrates dyed therewith | Chemistry; Metallurgy | 6 | Expired |
| US5420254A | Disperse dyes | Chemistry; Metallurgy | 6 | Expired |
| US4225490A | Heterocyclyl-azo-phenyl dyes having a cationic group linked through a branched alkylene chain to the nitrogen atom of the coupling component radical | Chemistry; Metallurgy | 5 | Expired |
| US4072672A | Cationic dyes containing an aryloxy group linked through a bridging radical to a quaternized nitrogen atom | Chemistry; Metallurgy | 4 | Expired |
| US4728338A | Mixtures of at least one monoazo compound having a 2-cyano 4,6-dinitrophenyl diazo component radical and at least one monoazo compound having a 2-cyano-6-halo-4-nitrophenyl diazo component radical and their use | Emerging Cross-Sectional Technologies | 3 | Expired |
| US4874392A | Monoazo dyes having a substituted 1,4-phenylene coupling component radical having one C.sub.8-14 alkyl group or moiety | Emerging Cross-Sectional Technologies | 3 | Expired |
| US4687842A | Monoazo compounds having an imidazolium-2 group linked through an azo radical to a substituted phenyl group | Chemistry; Metallurgy | 3 | Expired |
| US4048151A | Cationic dyes containing an optionally substituted bicyclic or polycyclic aryloxyalkyl group | Chemistry; Metallurgy | 3 | Expired |
| US3980632A | Basic azo dyes having a quaternized s-triazolo-[2,3-a]-pyrimidine diazo component radical | Chemistry; Metallurgy | 3 | Expired |
| US4889535A | 4-Substituted benzothiazol-2-ylazo-N-c8-14-alkykl-N-(2'-cyanoethyl)anilines optionally having a 3-C1-4-alkyl group | Emerging Cross-Sectional Technologies | 2 | Expired |
| US5679800A | 2-Amino-3,5,disubstituted-4-halothiophenes and processes for the synthesis thereof | Chemistry; Metallurgy | 1 | Expired |
| US4244872A | Coumarin dyestuffs | Chemistry; Metallurgy | 1 | Expired |
| US4288227A | Basic phenoxazine dyestuffs | Textiles; Paper | 0 | Expired |
| US4085098A | Azo dyes containing a heterocyclic ring having a quaternized nitrogen atom and at least one optionally substituted phenoxyalkyl or naphthyloxyalkyl substituent | Chemistry; Metallurgy | 0 | Expired |
| US4247457A | Cationic dyes containing an aryloxy group linked through a bridging radical to a quaternized nitrogen atom | Chemistry; Metallurgy | 0 | Expired |
| US4289693A | Azo dyes having a quaternized heterocyclic diazo component radical and an optionally substituted aryloxyalkyl substituent on the amino group of the coupling component radical | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.