| 序号 | 专利名 | 申请号 | 申请日 | 公开（公告）号 | 公开（公告）日 | 发明人 |
|---|---|---|---|---|---|---|
| 1 | Azo-dyestuffs | US46193954 | 1954-10-12 | US2831849A | 1958-04-22 | WALTER HANHART; PAUL DREYFUSS |
| 2 | Tetrakisazo dyestuffs | US41041054 | 1954-02-15 | US2797214A | 1957-06-25 | WERNER BOSSARD |
| 3 | Manufacture of electrical devices having gas-filled sealed envelopes | US39240253 | 1953-11-16 | US2787510A | 1957-04-02 | LEONARD BREADNER ROBERT; ROSS NEILL TREVOR; HENRY SIMMS CHARLES |
| 4 | Ortho: ortho'-dihydroxy-azo-dyestuffs and complex metal compounds thereof | US50001555 | 1955-04-07 | US2849435A | 1958-08-26 | WALTER HANHART |
| 5 | New azo-dyestuffs | US55782956 | 1956-01-09 | US2843581A | 1958-07-15 | HENRI RIAT |
| 6 | Metallisable polyazo dyestuffs | US60593656 | 1956-08-24 | US2794798A | 1957-06-04 | RUDOLF DURIG |
| 7 | Dyeing vegetable fiber | US6592236 | 1936-02-26 | US2092429A | 1937-09-07 | FRITZ STRAUB; WALTER ANDERAU |
| 8 | Azo-dyestuffs and process of making same | US7243736 | 1936-04-02 | US2050913A | 1936-08-11 | WALTER ANDERAU |
| 9 | Metallisable trisazo-dyestuffs | US11362261 | 1961-05-31 | US3135733A | 1964-06-02 | CARL TAUBE; ERNST MESSMER; HEINZ FREYTAG KARL |
| 10 | Trisazo cupriferous dyestuffs | US77384258 | 1958-11-14 | US3021322A | 1962-02-13 | MARCEL JIROU; VASSILI URNE |
| 11 | Azo dyestuffs | US34996653 | 1953-04-20 | US2813856A | 1957-11-19 | WILLY STEINEMANN; WALTER WEHRLI |
| 12 | Chromable azo-phthalocyanine dyes for cellulosic fiber and wool | US55608955 | 1955-12-29 | US2801997A | 1957-08-06 | GOTTLIEB HANS B |
| 13 | New azo-dyestuffs | US46168154 | 1954-10-11 | US2788345A | 1957-04-09 | WALTER HANHART |
| 14 | Metallizable disazo dyestuffs | US45574654 | 1954-09-13 | US2780619A | 1957-02-05 | RUDOLF DURIG; ERNST KELLER |
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