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Patent applications and USPTO patent grants for Kricheldorf; Hans-R.The latest application filed is for "cyclic polycarbonates and copolycarbonates,production and use thereof".
Patent | Date |
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Cyclic polycarbonates and copolycarbonates,production and use thereof App 20060089483 - Wehrmann; Rolf ;   et al. | 2006-04-27 |
Process for the preparation of copolyesters Grant 6,297,350 - Kricheldorf , et al. October 2, 2 | 2001-10-02 |
Chiral nematic polycarbonates Grant 6,156,866 - Schuhmacher , et al. December 5, 2 | 2000-12-05 |
Chiral nematic polyesters Grant 5,766,679 - Siemensmeyer , et al. June 16, 1 | 1998-06-16 |
Copolycarbonate from mixture of polyarylene diol Grant 5,084,550 - Pakull , et al. January 28, 1 | 1992-01-28 |
Process for the production of aromatic ethers and aromatic polyethers Grant 4,474,932 - Bier , et al. October 2, 1 | 1984-10-02 |
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