"This is the patent age of new inventions for killing bodies, and for saving souls. All propagated with the best intentions."
Lord Byron ;
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 5444066 | Thioformamide derivatives having hypotensive activity The present invention provides a thioformamide derivative represented by the following general formula (I) or a pharmacologically acceptable salt thereof, which is highly safe, easy to use, and useful as an excellent hypotensive or heart disease remedy: ... | 08/22/1995 |
| 5430007 | Certain herbicidal pyrazolopyridazines Novel substituted pyrazolo-rings fused to nitrogen containing heterocyclic rings having the following formula ##STR1## in which at least one of Y, Z or W is N or N-O and the remainder of Y, Z or W is C-R wherein the remainder of the variables are as ... | 07/04/1995 |
| 5420275 | Pyridopyridazine compounds and their use An assay method which comprises utilizing chemiluminescence of a pyridopyridazine compound of the formula ##STR1## wherein R1 is a hydrocarbon group or a heterocyclic group each of which may be substituted and R2 is hydroxy grou... | 05/30/1995 |
| 5405826 | Herbicidal pyridopyridazinones and pyridopyridazinethiones Pyrido[2,3-d]pyridazin-5-one and pyrido[2,3-d]pyridazin-5-thione derivatives of general formula (I): ##STR1## wherein R and R1 independently represent hydrogen, optionally halogenated alkyl, alkenyl or alkynyl, optionally substituted heter... | 04/11/1995 |
| 5389633 | Triazolopyridazine compounds, their production and use Novel compound represented by the formula: ##STR1## wherein R1 stands for H, an optionally substituted lower alkyl group or a halogen; R2 and R3 respectively stands for a hydrogen or an optionally substituted lower al... | 02/14/1995 |
| 5380759 | Methyl N-[6-(3,4,5-trimethoxybenzloxy)imidazo[1,2-b]pyridazin-2-zyl]carbamate used to treat leukemia Methyl N-[6-(3,4,5-trimethoxybenzloxy) imidazo [1,2-6]pyridazin-2-yl]carbamate is disclosed which is used to treat leukemia.... | 01/10/1995 |
| 5378679 | Heteroaromatically condensed hydroxypyridonecarboxamides, their preparation and use Heteroaromatically condensed hydroxypyridonecarboxamides of the structure I ##STR1## where the substituents and the ring Q have the following meanings: R1 hydrogen, hydroxyl, substituted or unsubstituted alkyl, alkenyl, alkynyl, cycloalkyl... | 01/03/1995 |
| 5378843 | 5,6-disubstituted-3-pyridylmethyl ammonium halide compounds useful for the preparation of 5-(substituted methyl)-2,3-pyridinedicarboxylic acids There are provided 5,6-disubstituted-3-pyridylmethyl ammonium halide compounds, a method for the preparation thereof and the use thereof for the preparation of 5-(substituted methyl)-2,3-pyridinedicarboxylic acids.... | 01/03/1995 |
| 5374632 | 2,3-dihydro- 1-(8-methyl-1,2,4-triazolo[4,3-B]-pyridazin-6-yl)-4(1H)-pyridinone 2,3-Dihydro-1-(8-methyl-1,2,4-triazolo [4,3-b]pyridazin-6-yl)-4(1H)-pyridinone has been prepared in substantially pure form and has been found to be useful for alleviating bronchial spasms in mammals. Synthesis of this material through phenylselenyl inter... | 12/20/1994 |
| 5371219 | Imidazopyridazine derivatives Compounds of general formula (I) ##STR1## wherein R1 represents an optionally substituted carbocyclic or heterocyclic aryl group, or an optionally substituted alkyl, alkenyl, cycloalkyl or cycloalkenyl group; R2 represents an op... | 12/06/1994 |
| 5369104 | Pyridazine compounds, their production and use Novel compound represented by the formula: ##STR1## wherein X stands for a methine (i.e. the group --CH.dbd.) group or a nitrogen atom; R1 stands for a hydrogen atom, an optionally substituted lower alkyl group or a halogen atom; R2 | 11/29/1994 |
| 5356860 | Styrene derivatives useful as herbicides and defoliants Abstract of the Disclosure: Styrene derivatives I ##STR1## where R1 is H or halogen, R2 is halogen, R3 is H, halogen or C1 -C4 -alkyl, R4 is CN or C1 -C6 -alkylca... | 10/18/1994 |
| 5350749 | Pteridine derivatives 4-substituted-pyrido[3,2-d]pyridmidine, -pyrido[4,3-d]pyrimidine, -pyrido[3,4-d]pyrimidine, pyrido[2,3-d]pyrimidine, -pteridine, -pyrimido[4,5-d]pyrimidine, -pyrimido[4,5-c]pyridazine, -pyrimido[5,4-d]pyrimidine, -pyrimido[5,4-c]pyridazine, pyrimido[... | 09/27/1994 |
| 5332744 | Substituted imidazo-fused 6-membered heterocycles as angiotensin II antagonists Substituted Imidazo-fused 6-membered heterocycles of structural formula: ##STR1## wherein A, B, C, and D are independently carbon atoms or nitrogen atoms are angiotensin II antagonists useful in the treatment of hypertension and congestive heart fail... | 07/26/1994 |
| 5328902 | 7-(substituted)-9-[(substituted glycyl)amido]-6-demethyl-6-deoxytetracyclines The invention provides compounds of the formula: ##STR1## wherein R, R3, R4 and W are defined in the specification. These compounds are useful as antibiotic agents.... | 07/12/1994 |
| 5324709 | Tetrahydrofuran derivative and herbicide containing the same as active ingredient A tetrahydrofuran derivative represented by the following general formula [I]: ##STR1## wherein A represents direct bonding or a group represented by --B--CHR1 --(wherein B represents oxygen atom, sulfur atom or imino group; R1 | 06/28/1994 |
| 5304557 | Substituted oxoophthalazinyl acetic acids and analogs thereof A compound of the formula ##STR1## wherein A1 and A2 are independently N or CH; B is a covalent bond or C.dbd. O; R1 is hydrogen or C1 -C6 alkyl; R2 is hydrogen, fluorine, chlorine, bromine, tri... | 04/19/1994 |
| 5302596 | Tricyclic compounds as TXA2 antagonists Novel tricyclic compound represented by formula ##STR1## possess a TXA2 biosynthesis inhibiting activity and/or a TXA2 receptor antagonizing activity, and are expected to have preventive and therapeutic effects on ischemic disea... | 04/12/1994 |
| 5300478 | Substituted fused pyrazolo compounds Novel substituted pyrazolo-rings fused to nitrogen containing heterocyclic rings having the following formula ##STR1## in which at least one of Y, Z or W is N or N-O and the remainder of Y, Z or W is C-R wherein the variables are as defined in the sp... | 04/05/1994 |
| 5288866 | 5,6-disubstituted-3-pyridylmethyl ammonium halide compounds useful for the preparation of 5- (substituted methyl)-2,3-pyridinedicarboxylic acids There are provided 5,6-disubstituted-3-pyridylmethyl ammonium halide compounds, a method for the preparation thereof and the use thereof for the preparation of 5-(substituted methyl)-2,3-pyridinedicarboxylic acids.... | 02/22/1994 |
| 5280032 | 1,2-ethanediol derivative and salt thereof, process for producing the same, and cerebral function-improving agent comprising the same This invention relates to a 1,2-ethanediol derivative and a salt thereof, a process for producing the same, and a cerebral function improving agent comprising the same. The cerebral function-improving agent of this invention is useful for treating cerebro... | 01/18/1994 |
| 5278161 | Amino acid derivatives useful as renin inhibitors Compounds of the formula ##STR1## wherein A, B, X, Y, R1, R2, R3, R4 and R5 are as set forth in the specification, in the form of optically pure diastereomers, mixtures of diastereomers, diastere... | 01/11/1994 |
| 5270322 | Imidazo[1,2-a]pyridines, pharmaceutical compositions containing these compounds and processes for preparing them Imidazo[1,2-a]pyridines of the formula ##STR1## wherein Ra to Re are as defined herein, the enantiomers and the salts thereof, which are useful as angiotensin antagonists and for treating conditions treatable with angiotensin an... | 12/14/1993 |
| 5262418 | N-(4-piperidinyl) (dihydroxybenzofuran or dihydro-2H-benzopyran)carboxamide derivatives Piperidine derivatives of formula ##STR1## wherein A is a radical of formula --CH2 --CH2 -- (a-1), --CH2 --CH2 --CH2 -- (a-2), or --CH2 -... | 11/16/1993 |
| 5260285 | Substituted imidazopyridazines as angiotensin II antagonists Novel substituted imidazopyridazines of formula (I) which are useful as angiotensin II antagonists, are disclosed. ##STR1##... | 11/09/1993 |
| 5229514 | Intermediates to 8-thia-1,6-diazabicyclo[4.3.0]nonane herbicides Compounds of formula III ##STR1## wherein R1 is hydrogen; X is oxygen or sulfur; A is C1 -C2 alkylene and Q is --COOR16, where R16 is C1 -C4 alkoxy-C1 -C4 | 07/20/1993 |
| 5221791 | Water-soluble biologically active ammonium salts This invention relates to hydrolysis resistant, water-soluble ammonium salt solids which are biologically active and which are described by the formula ##STR1## wherein m has a value of from 1 to 3; n has a value of from 1 to 4 and is equal to t... | 06/22/1993 |
| 5214044 | 1,4-dihydropyridines useful as pharmaceuticals The invention provides compounds of the formula: ##STR1## The variables are defined in the specification. The compounds are useful e.g. for the curative or prophylactic treatment of allergic conditions.... | 05/25/1993 |
| 5202324 | Imidazopyridazines The imidazo[1,2-b]pyridazine compounds of the formula: ##STR1## wherein R1 is a hydrogen or halogen atom, or a lower alkyl group optionally having substituent(s), R2 and R3 are, independently, a hydrogen atom, a lower... | 04/13/1993 |
| 5185335 | N-(4-piperodinyl)(dihydrobenzofuran or dihydro-2H-benzopyran) carboxamide derivatives Piperidine derivatives of formula ##STR1## wherein A is a radical of formula ##STR2## wherein one or two hydrogen atoms in said radicals (a-1) to (a-3) may be replaced by a C1-6 alkyl radical; R1 is hydrogen or halo; R... | 02/09/1993 |
| 5182391 | Process and intermediates for the preparation of oxophthalazinyl acetic acids and analogs thereof Oxophthalazinyl acetic acids having benzothiazole side chains are prepared by reacting an oxophthalazinyl thioacetamide acetate with hydrogen sulfide and a nitrophenyl compound having a reactive group such that the benzothiazole side chain may be formed b... | 01/26/1993 |
| 5182289 | Heterobicyclic compounds having antiinflammatory activity Heterobicyclic and heterocyclic intermediate compounds and their use in treating inflammation, hyperproliferative skin conditions such as psoriasis and allergy are disclosed.... | 01/26/1993 |
| 5180418 | Herbicidally active thiadiazabicyclononanes and nonenes Cycloalkanecarboxylic acid derivatives of formula I ##STR1## wherein W is ##STR2## and A is CO--R3 or CN; R1 is hydrogen or fluorine; R2 is halogen or cyano; R3 is chlorine, X--R5, amino, C | 01/19/1993 |
| 5180724 | Carboxamide amino acid heterobicyclic PAF antagonists Compounds of general formula I; ##STR1## wherein R1, R2, R3, R4, R5, R6, R7, R8, A1, A2, B, and X are variables. These compounds are antagonists ... | 01/19/1993 |
| 5179093 | Quinoline-diones Compounds of the formula ##STR1## or a pharmaceutically acceptable salt thereof wherein, R is H, halogen, (C1 -C6) alkyl, N(C1 -C6 alkyl/aryl)2, OH, O--(C1 -C6) alkyl/aryl, ... | 01/12/1993 |
| 5177074 | Angiotensin II antagonists incorporating a substituted thiophene or furan There are disclosed substituted thiophene and furan derivatives of Formula I which are useful as angiotensin II antagonists. ##STR1##... | 01/05/1993 |
| 5155108 | Imidazopyridazines and use as antiasthmatic agents The imidazo[1,2-b]pyridazine compounds of the formula: ##STR1## wherein R1 is a hydrogen or halogen atom, or a lower alkyl group optionally having substituent(s), R2 an R3 are, independently, a hydrogen atom, a lower ... | 10/13/1992 |
| 5145850 | Imidazopyridazines, their production and use An imidazo [1,2-b]pyridazine compound of the formula (I): ##STR1## wherein R1 is a halogen atom or a lower alkyl group optionally having substituent(s), R2 and R3 are, independently, a hydrogen atom, a lower alkyl gro... | 09/08/1992 |
| 5127936 | Substituted phenyltriazolopyrimidine herbicides Novel substituted phenyltriazolopyrimidines and their preparation and method-of-use as preemergence and postemergence herbicides.... | 07/07/1992 |
| 5102880 | Substituted imidazo-fused 6-membered heterocycles as angiotensin II antagonists Substituted Imidazo-fused 6-membered heterocycles of structural formula: ##STR1## wherein A, B, C, and D are independently carbon atoms or nitrogren atoms are angiotensin II antagonists useful in the treatment of hypertension and congestive heart fai... | 04/07/1992 |