Did You Know...
...that the x-ray was discovered purely by accident? When German physicist Wilhelm Konrad von Roentgen was experimenting with cathode rays in 1895, he put an activated Crookes tube in a book and went out to lunch. When he returned, he discovered that a key that had also been placed in the book showed up as an image on the developed film!
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| Number | Title | Issue Date |
| 7138143 | Coated preparation soluble in the lower digestive tract A coating dispersion soluble in the lower digestive tract which is prepared by blending a hydroxypropyl methylcellulose acetate succinate (HPMCAS) soluble at around pH 7 with a conventional plasticizer and an anion surfactant and further adding an acid, wherein the ... | 11/21/2006 |
| 6743806 | Active oxygen scavenger A new active oxygen scavenger which comprises as an active ingredient a tetrazolylalkoxy-dihydrocarbostyril compound of the formula (I): wherein R is cycloalkyl group, A is lower alkylene group, and the bond between 3- a... | 06/01/2004 |
| 5723648 | Intermediates for anti-microbial benzoheterocyclic compounds Novel 4-oxoquinoline-3-carboxylic acid compounds of the formula: ##STR1## wherein R1 is cyclopropyl which may have 1 to 3 substituents of alkyl and halogen; phenyl which may be substituted by 1 to 3 substituents of alkoxy, halogen and OH; ... | 03/03/1998 |
| 5591744 | Benzoheterocyclic compounds Novel 4-oxoquinoline-3-carboxylic acid compounds of the formula: ##STR1## wherein R1 is cyclopropyl which may have 1 to 3 substituents of alkyl and halogen; phenyl which may be substituted by 1 to 3 substituents of alkoxy, halogen and OH; ... | 01/07/1997 |
| 5266577 | Method of treating congestive heart failure using carbostyril derivatives Method for the treatment of congestive heart failure or paroxymal frequent heart pulse using a carbostyril derivative of formula: ##STR1## wherein R1 is H or CN, and R2 and R3 are each H, alkyl optionally substituted ... | 11/30/1993 |
| 4786649 | Antimicrobial 1-thienyl-4-oxoquinoline-3-carboxylic acids Novel 1-thienyl-4-oxoquinoline-3-carboxylic acid compounds of the formula ##STR1## wherein R1 is an amino (lower) alkyl, R2 is thienyl, and X is a halogen atom, and a pharmaceutically acceptable salt thereof, said compounds havi... | 11/22/1988 |
| 4684648 | Antimicrobial 1-substituted phenyl-4-oxoquinoline-3-carboxylic acid compounds and compositions thereof Novel 1-substituted phenyl-4-oxoquinoline-3-carboxylic acid compounds of the formula: ##STR1## wherein R is hydrogen atom or fluorine atom, R° is hydroxy, fluorine atom or an alkanoyloxy having 1 to 6 carbon atoms, and X1 is hydrogen... | 08/04/1987 |
| 4593035 | Carbostyril derivatives Novel carbostyril derivatives of the formula: ##STR1## wherein R1 is hydrogen atom or a lower alkyl group, R2 is a lower alkyl group or a group of the formula: ##STR2## R3 is a lower alkylthio group, a lower alky... | 06/03/1986 |
| 4026897 | 5-[1-Hydroxy-2-(substituted-amino)]alkyl-8-hydroxycarbostyril derivatives 5-[1-Hydroxy-2-(substituted-amino)]alkyl -8-hydroxy-carbostyril derivatives represented by the formula (I) ##STR1## wherein R1 represents an alkyl group having 1 to 4 carbon atoms and R2 and R3, which may be the same ... | 05/31/1977 |
| 4022776 | 5-[1-Hydroxy-2-(substituted-amino)]ethyl-8-hydroxycarbostyril derivatives 5-[Hydroxy-2-(substituted-amino)]ethyl-8-hydroxy-carbostyril derivatives represented by the formula (I) ##STR1## wherein R1 and R2, which may be the same or different, each represents a hydrogen atom, an alkyl group having 1 to ... | 05/10/1977 |
| 4022784 | 5-[1-Hydroxy-2-(substituted-amino)]alkyl-8-substituted-carbostyril and -3,4-dihydrocarbostyril derivatives 5-[1-Hydroxy-2-(substituted-amino)]alkyl-8-substituted-carbostyril derivatives and 5-[1-hydroxy-2-(substituted-amino)]-alkyl-8-substituted-3,4-dihydrocarbost yril derivatives represented by the formulas (Ia) and (Ib) ##STR1## WHEREIN R1 | 05/10/1977 |
| 3994901 | 5-[1-Hydroxy-2-(s ubstituted-amino)]alkyl-8-hydroxy-3,4-dihydrocarbostyril derivatives 5-[1-Hydroxy-2-(substituted-amino)]alkyl-8-hydroxy-3,4-dihydrocarbostyril derivatives having the formula (I) ##SPC1## wherein R1 represents an alkyl group having 1 to 4 carbon atoms, and R2 and R3, which may be the same or... | 11/30/1976 |
| 3975391 | 5-[1-Hydroxy-2-(substituted-amino)]ethyl-8-hydroxy-3,4-dih ydrocarbostyril derivatives 5-[1-HYDROXY-2-SUBSTITUTED-AMINO)]ETHYL-8-HYDROXY-3,4-DIHYDROCARBOSTYRIL DERIVATIVES REPRESENTED BY THE FORMULA (I) ##SPC1## wherein R1 and R2, which may be the same or different, each represents a hydrogen atom, an alkyl group havin... | 08/17/1976 |
| 3969507 | Method of preventing and treating thrombosis A method of preventing and treating thrombosis comprising administering a therapeutically effective amount of 5-(hydroxy-3-t-butylamino)propoxy-3,4-dihydrocarbostyril having the formula ##EQU1##... | 07/13/1976 |
