Guenthert; Paul
Patent Applications and Registrations
Patent applications and USPTO patent grants for Guenthert; Paul.The latest application filed is for "perylene-derivative based crystallization modifiers".
- Guenthert; Paul - Schifferstadt DE
- Guenthert; Paul - Iggelheim/Pfalz DT
| Patent | Date |
|---|---|
| Perylene-derivative based crystallization modifiers Grant 7,105,674 - Hackmann , et al. September 12, 2 | 2006-09-12 |
| Pigment formulations containing a pigment, a colorant having an external basic group and a surfactant Grant 5,324,354 - Jesse , et al. June 28, 1 | 1994-06-28 |
| Process for converting crude and/or coarsely crystalline perylenetetracarboxylic acid diimides to a pigmentary form Grant 4,262,851 - Graser , et al. April 21, 1 | 1981-04-21 |
| Process For The Continuous Production Of Alkali Metal Salts Of Nitrilotriacetic Acid Grant 3,668,246 - Berding , et al. June 6, 1 | 1972-06-06 |
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