Kreimer-Birnbaum; Martha
Patent Applications and Registrations
Patent applications and USPTO patent grants for Kreimer-Birnbaum; Martha.The latest application filed is for "use of purpurins, chlorins and purpurin- and chlorin-containing compositions".
- Kreimer-Birnbaum; Martha - Toledo OH
| Patent | Date |
|---|---|
| Use of purpurins, chlorins and purpurin- and chlorin-containing compositions Grant 5,534,506 - Morgan , et al. July 9, 1 | 1996-07-09 |
| Production and use of purpurins, chlorins and purpurin- and chlorin-containing compositions Grant 5,216,012 - Morgan , et al. June 1, 1 | 1993-06-01 |
| Production and use of purpurins, chlorins and purpurin- and chlorin-containing compositions Grant 5,051,415 - Morgan , et al. September 24, 1 | 1991-09-24 |
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