Peter; Richard
Patent Applications and Registrations
Patent applications and USPTO patent grants for Peter; Richard.The latest application filed is for "cycloaliphatic dicarbonyl containing azo dyestuffs".
- Peter; Richard - Basel CH
| Patent | Date |
|---|---|
| Cycloaliphatic dicarbonyl containing azo dyestuffs Grant 4,039,529 - Angliker , et al. August 2, 1 | 1977-08-02 |
| Sublimation transfer and isocyanate fixation of amino- or hydroxy-containing dyestuffs and transfer sheets therefor Grant 3,940,246 - DeFago , et al. February 24, 1 | 1976-02-24 |
| Heterocyclic-azo-phenyl compounds containing a styrl group Grant 3,933,786 - Peter , et al. January 20, 1 | 1976-01-20 |
| Dyestuff preparations and processes for the dyeing of synthetic organic material Grant 3,900,286 - Wegmann , et al. August 19, 1 | 1975-08-19 |
| Disazo dyestuffs containing a heterocyclic bridging member Grant 3,895,004 - de Montmollin , et al. July 15, 1 | 1975-07-15 |
| Heterocyclic Disazo Dyestuffs Containing A Bridging Group And At Least One Quaternary Ammonium Group Grant 3,755,287 - Hegar , et al. August 28, 1 | 1973-08-28 |
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