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Patent applications and USPTO patent grants for Schene; Heidrun.The latest application filed is for "basic bisazo compounds".
Patent | Date |
---|---|
Basic bisazo compounds Grant 8,921,564 - Hasemann , et al. December 30, 2 | 2014-12-30 |
Concentrated dye solutions Grant 7,686,851 - Schene March 30, 2 | 2010-03-30 |
Basic Bisazo Compounds App 20100000033 - Hasemann; Ludwig ;   et al. | 2010-01-07 |
Concentrated dye solutions App 20070186805 - Schene; Heidrun | 2007-08-16 |
Basic mono- and bisazo compounds Grant 7,183,409 - Lehr , et al. February 27, 2 | 2007-02-27 |
Basic mono-and bisazo compounds App 20040158049 - Lehr, Friedrich ;   et al. | 2004-08-12 |
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