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Patent applications and USPTO patent grants for Pieroth; Manfred.The latest application filed is for "flame retardants for polymers comprising a mixture of two different aryl phosphates, their preparation and their use".
Patent | Date |
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Flame retardants for polymers comprising a mixture of two different aryl phosphates, their preparation and their use Grant 6,774,163 - Janke , et al. August 10, 2 | 2004-08-10 |
Flame retardants for polymers comprising a mixture of two different aryl phosphates, their preparation and their use App 20030195281 - Janke, Nikolaus ;   et al. | 2003-10-16 |
Process for preparing phosphoric acid esters App 20020038044 - Janke, Nikolaus ;   et al. | 2002-03-28 |
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