Famous Patents
Felix Hoffmann, a German chemist, was searching for something to relieve his father's arthritis. In doing so, he "rediscovered" acetylsalicylic acid and in 1900, patented a stable process for developing it. Hence, we have aspirin.
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| Number | Title | Issue Date |
| 7605274 | Carvedilol This invention relates to an improved process of preparing carvedilol, as well as a new crystalline hydrate and solvate and forms of carvedilol, processes for the manufacture thereof, and pharmaceutical compositions thereof. ... | 10/20/2009 |
| 7485663 | Carvedilol This invention relates to an improved process of preparing carvedilol, as well as a new crystalline hydrate and solvate and forms of carvedilol, processes for the manufacture thereof, and pharmaceutical compositions thereof. ... | 02/03/2009 |
| 7126008 | Carvedilol This invention relates to an improved process of preparing carvedilol, as well as a new crystalline hydrate and solvate and forms of carvedilol, processes for the manufacture thereof, and pharmaceutical compositions thereof. ... | 10/24/2006 |
| 7056942 | Carvedilol This invention relates to an improved process of preparing carvedilol, as well as a new crystalline hydrate and solvate and forms of carvedilol, processes for the manufacture thereof, and pharmaceutical compositions thereof. ... | 06/06/2006 |
| 6967209 | Processes for preparing 6-hydroxy-3,4-dihydroquinolinone, cilostazol and N-(4-methoxyphenyl)-3-chloropropionamide A process for preparing 6-hydroxy-3,4-dihydroquinolinone by intramolecular Friedel-Crafts alkylation of N-(4-methoxyphenyl)-3-chloropropionamide in which an equivalent of N-(4-methoxyphenyl)-3-chloropropionamide is contacted with a Lewis acid in DMSO or a high boili... | 11/22/2005 |
| 6861557 | Process for preparing rac-bicalutamide and its intermediates The present invention relates to a new process for the synthesis of racemic and optically active bicalutamide starting from ethyl pyruvate and methyl methacrylate. The present invention discloses processes of preparing bicalutamide intermediates including ethyl-[2-{... | 03/01/2005 |
| 6849763 | Process for preparing rac-bicalutamide and its intermediates The present invention relates to a new process for the synthesis of racemic and optically active bicalutamide starting from ethyl pyruvate and methyl methacrylate. The present invention discloses processes of preparing bicalutamide intermediates including ethyl-[2-{... | 02/01/2005 |
| 6797843 | Process for preparing rac-bicalutamide and its intermediates The present invention relates to a new process for the synthesis of racemic and optically active bicalutamide starting from ethyl pyruvate and methyl methacrylate. The present invention discloses processes of preparing bicalutamide intermediates including ethyl-[2-{... | 09/28/2004 |
| 6740758 | Processes for preparing 6-hydroxy-3,4-dihydroquinolinone, cilostazol and N-(4-methoxyphenyl)-3-chloropropionamide A process for preparing 6-hydroxy-3,4-dihydroquinolinone by intramolecular Friedel-Crafts alkylation of N-(4-methoxyphenyl)-3-chloropropionamide in which an equivalent of N-(4-methoxphenyl)-3-chloropropionamide is contacted with a Lewis acid in DMSO or a high boilin... | 05/25/2004 |
| 6737550 | Process for preparing rac-bicalutamide and its intermediates The present invention relates to a new process for the synthesis of racemic and optically active bicalutamide starting from ethyl pyruvate and methyl methacrylate. The present invention discloses processes of preparing bicalutamide intermediates including ethyl-[2-{... | 05/18/2004 |
| 6699997 | Carvedilol This invention relates to an improved process of preparing carvedilol, as well as a new crystalline hydrate and solvate and forms of carvedilol, processes for the manufacture thereof, and pharmaceutical compositions thereof.... | 03/02/2004 |
| 6660773 | Processes for preparing 6-hydroxy-3,4-dihydroquinolinone, cilostazol and N-(4-methoxyphenyl)3-chloropropionamide A process for preparing 6-hydroxy-3,4-dihydroquinolinone by intramolecular Friedel-Crafts alkylation of N-(4-methoxyphenyl)-3-chloropropionamide in which an equivalent of N-(4-methoxyphenyl)-3-chloropropionamide is contacted with a Lewis acid in DMSO or a... | 12/09/2003 |
| 6525201 | Processes for preparing 6-hydroxy-3,4-dihydroquinolinone, cilostazol and N-(4-methoxyphenyl)-3-chloropropionamide A process for preparing 6-hydroxy-3,4-dihydroquinolinone by intramolecular Friedel-Crafts alkylation of N-(4-methoxyphenyl)-3-chloropropionamide in which an equivalent of N-(4-methoxyphenyl)-3-chloropropionamide is contacted with a Lewis acid in DMSO or a... | 02/25/2003 |