Bunzel; Lothar
Patent Applications and Registrations
Patent applications and USPTO patent grants for Bunzel; Lothar.The latest application filed is for "inhibition of catalytically active impurities in polycarbonate by the melt transesterification process".
- Bunzel; Lothar - Kempen DE
| Patent | Date |
|---|---|
| Inhibition of catalytically active impurities in polycarbonate by the melt transesterification process Grant 7,250,483 - Heuer , et al. July 31, 2 | 2007-07-31 |
| Inhibition of catalytically active impurities in polycarbonate by the melt transesterification process App 20060004178 - Heuer; Helmut-Werner ; et al. | 2006-01-05 |
| Production and use of high molecular weight aliphatic polycarbonates Grant 6,767,986 - Moethrath , et al. July 27, 2 | 2004-07-27 |
| Preparation of copolycarbonates Grant 6,753,405 - Kratschmer , et al. June 22, 2 | 2004-06-22 |
| Polycarbonate and molded polycarbonate articles Grant 6,740,730 - Kratschmer , et al. May 25, 2 | 2004-05-25 |
| Production of polyester carbonates Grant 6,734,278 - Kratschmer , et al. May 11, 2 | 2004-05-11 |
| Method for producing phosphonium phenolates Grant 6,710,153 - Bunzel , et al. March 23, 2 | 2004-03-23 |
| Production and use of polyester carbonates Grant 6,646,099 - Kratschmer , et al. November 11, 2 | 2003-11-11 |
| Process for the production of phosphonium phenolates App 20030204116 - Mothrath, Melanie ; et al. | 2003-10-30 |
| Production and use of high molecular weight aliphatic polycarbonates App 20030204042 - Moethrath, Melanie ; et al. | 2003-10-30 |
| Production of polyester carbonates App 20030139564 - Kratschmer, Silke ; et al. | 2003-07-24 |
| Method for producing modified polycarbonates Grant 6,596,840 - Kratschmer , et al. July 22, 2 | 2003-07-22 |
| Production and use of polyester carbonates App 20030105272 - Kratschmer, Silke ; et al. | 2003-06-05 |
| Process for optimising the production of polycarbonate by melt transesterification App 20030055201 - Kratschmer, Silke ; et al. | 2003-03-20 |
| Preparation of copolycarbonates App 20030027971 - Kratschmer, Silke ; et al. | 2003-02-06 |
| Method for producing phosphonium phenolates App 20030013837 - Bunzel, Lothar ; et al. | 2003-01-16 |
| Method for producing branched polycarbonates Grant 6,307,006 - Konig , et al. October 23, 2 | 2001-10-23 |
| Method For Producing Phosphonium Phenolates App 20010005765 - KONIG, ANNETT ; et al. | 2001-06-28 |
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