Patent application number | Description | Published |
20090281192 | Process for the Preparation of and Crystalline Forms of Optical Enantiomers of Modafinil - The invention relates to a polymorphic form of (−)-modafinil that produces a powder X-ray diffraction spectrum comprising intensity peaks corresponding to interplanar spacings of about 12.38, 8.58, 7.34, 5.00 and 4.09 Å, and a process for the preparation thereof. | 11-12-2009 |
20090281193 | Process for the Preparation of and Crystalline Forms of Optical Enantiomers of Modafinil - The invention relates to a polymorphic form of (−)-modafinil that produces a powder X-ray diffraction spectrum comprising intensity peaks corresponding to interplanar spacings of about 9.45, 7.15, 5.13, 4.15 and 3.67 Å, and a process for the preparation thereof. | 11-12-2009 |
20100022653 | Process for the Preparation of and Crystalline Forms of Optical Enantiomers of Modafinil - The invention relates to a polymorphic form of (−)-modafinil that produces a powder X-ray diffraction spectrum comprising intensity peaks corresponding to interplanar spacings of about 8.54, 4.56, and 3.78 Å, and a process for the preparation thereof. | 01-28-2010 |
20100048718 | Process for the Preparation of and Crystalline Forms of Optical Enantiomers of Modafinil - The invention relates to a polymorphic form of (−)-modafinil that produces a powder X-ray diffraction spectrum comprising intensity peaks corresponding to interplanar spacings of about 5.23, 5.03, 4.22 and 4.10 Å, and a process for the preparation thereof. | 02-25-2010 |
20100048719 | Process for the Preparation of and Crystalline Forms of Optical Enantiomers of Modafinil - The invention relates to a polymorphic form of (−)-modafinil that produces a powder X-ray diffraction spectrum comprising intensity peaks corresponding to interplanar spacings of about 12.31, 8.54, 7.27 and 3.62 Å, and a process for the preparation thereof. | 02-25-2010 |
20100048720 | Process for the Preparation of and Crystalline Forms of Optical Enantiomers of Modafinil - The invention relates to a polymorphic form of (−)-modafinil that produces a powder X-ray diffraction spectrum comprising intensity peaks corresponding to interplanar spacings of about 14.14, 10.66, 7.80 and 4.02 Å, and a process for the preparation thereof. | 02-25-2010 |
20130123499 | Method for Purifying a Fused Pyrrolocarbazole Derivative - The present invention relates a method for purifying a fused pyrrolocarbazole compound known as 11-isobutyl-2-methyl-8-(2-pyrimidinylamino)-2,5,6,11,12,13-hexahydro-4Hindazolo[5,4-a]pyrrolo[3,4-c]carbazol-4-one using an acid complex thereof. The present invention also relates to a crystalline form of the acid complex. | 05-16-2013 |
Patent application number | Description | Published |
20090281192 | Process for the Preparation of and Crystalline Forms of Optical Enantiomers of Modafinil - The invention relates to a polymorphic form of (−)-modafinil that produces a powder X-ray diffraction spectrum comprising intensity peaks corresponding to interplanar spacings of about 12.38, 8.58, 7.34, 5.00 and 4.09 Å, and a process for the preparation thereof. | 11-12-2009 |
20090281193 | Process for the Preparation of and Crystalline Forms of Optical Enantiomers of Modafinil - The invention relates to a polymorphic form of (−)-modafinil that produces a powder X-ray diffraction spectrum comprising intensity peaks corresponding to interplanar spacings of about 9.45, 7.15, 5.13, 4.15 and 3.67 Å, and a process for the preparation thereof. | 11-12-2009 |
20100022653 | Process for the Preparation of and Crystalline Forms of Optical Enantiomers of Modafinil - The invention relates to a polymorphic form of (−)-modafinil that produces a powder X-ray diffraction spectrum comprising intensity peaks corresponding to interplanar spacings of about 8.54, 4.56, and 3.78 Å, and a process for the preparation thereof. | 01-28-2010 |
20100048720 | Process for the Preparation of and Crystalline Forms of Optical Enantiomers of Modafinil - The invention relates to a polymorphic form of (−)-modafinil that produces a powder X-ray diffraction spectrum comprising intensity peaks corresponding to interplanar spacings of about 14.14, 10.66, 7.80 and 4.02 Å, and a process for the preparation thereof. | 02-25-2010 |