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| Number | Title | Issue Date |
| 4921527 | Herbicidal sulfonamides The invention relates to sulfonylurea compounds with a substituted or unsubstituted bicyclic nine-membered ring having one to five heteroatoms which are preemergent and/or postemergent herbicides or plant growth regulants.... | 05/01/1990 |
| 4904666 | Pyrazolo(3,4-d)pyrimidine compounds, compositions and method of use The present invention provides pyrazolo[3,4-d]-pyrimidines of the general formula: ##STR1## wherein R1 is a C1 to C6 -alkyl radical, a C2 to C6 -alkenyl radical, a C3 to C7 ... | 02/27/1990 |
| 4900686 | Fluorescent conjugates and biological diagnostic assay There are provided novel fluorescent conjugates comprising a rhodamine dye moiety and a biologically active moiety. In addition, there are provided methods for determining an analyte in a biological fluid.... | 02/13/1990 |
| 4897381 | Organic amide compounds derived from nitrogenous lipids Organic amide compounds of the formula ##STR1## wherein R1 --CO is a residue of a carboxylic acid with the proviso that the carboxylic acid is not a natural fatty acid normally bound to nitrogen of nitrogenous lipids, R2 is a hy... | 01/30/1990 |
| 4885300 | 4-Substituted pyrazolo[3,4-D]pyrimidine derivatives 4-Substituted pyrazolo[3,4-d]pyrimidine derivatives and a method of synthesis for the derivatives are described. The 4-substituted pyrazolopyrimidine derivatives are useful as cardiotonic agents and antiarryhythmic agents.... | 12/05/1989 |
| 4871850 | New triazolopyrimidines and their use as initiators Triazolopyrimidines of the formula I ##STR1## in which R1 denotes CN, alkylsulphonyl, arylsulphonyl or aryl R2 denotes H, alkyl or alkythio, R3 denotes alkyl, aralkyl, substituted aralkyl, alkenyl or alkynyl, R4 deno... | 10/03/1989 |
| 4866066 | Thiomethylpyridine derivatives and their use for eliciting a bronchosecretolytic or mucolytic response Thiomethylpyridine derivatives having bronchosecretolytic and mucolytic activity according to the formula: ##STR1## wherein R is a group attached in the 2-, 3- or 4-position of the pyridine ring which corresponds to the following general formula: whe... | 09/12/1989 |
| 4841068 | 3-hydroxy pyrazole derivatives Disclosed is a process for preparing a 3-hydroxy-7-mercaptopyrazolo[4,3-d]pyrimidine compound represented by the general formula (IX): ##STR1## wherein R1 is a hydrogen atom, an alkyl group having 1 to 4 carbon atoms, a phenyl group o... | 06/20/1989 |
| 4838925 | Heterocyclic acyl sulfonamides This invention relates to novel heterocyclic carbonyl sulfonamides which are particularly useful as agricultural chemicals.... | 06/13/1989 |
| 4824848 | Pyrazolo[3,4-d]pyrimidine derivatives, their production and use Novel pyrazolo[3,4-d]pyrimidine derivatives represented by the general formula (I) ##STR1## wherein R1 is an aryl or heteroaryl group which may be substituted by one to three members selected from the class consisting of halogen, C | 04/25/1989 |
| 4746663 | Pyrazolo[4,3-d]pyrimidine derivative, process for its production, and antihyperlipidemic or antiatherosclerotic agent containing it A pyrazolo[4,3-d]pyrimidine derivative having the formula: ##STR1## wherein R1 is lower alkyl or phenyl which is unsubstituted or substituted by lower alkyl, lower alkoxy or halogen; R2 is a saturated or unsaturated, straight ch... | 05/24/1988 |
| 4737184 | Herbicidal sulfonamides Novel N-(heterocyclicaminocarbonyl) substituted thiophene-, furan- and pyrrolesulfonamides, such as N-[(4-methoxy-6-methylpyrimidin-2-yl)aminocarbonyl]-6,7-dihydro-5H-thieno- [3,2-b]thiopyran-3-sulfonamide, 4,4-dioxide and N-[(4,6-dimethoxypyrimidin-2... | 04/12/1988 |
| 4694006 | Acyl- or acyloxymethyl-allopurinol prodrugs Compounds of the formula Ia and Ib ##STR1## are prodrugs of allopurinol and have i.a. a much higher solubility in water and/or a higher lipophilicity than allopurinol, which makes such compounds useful for oral, parenteral and rectal administration t... | 09/15/1987 |
| 4666908 | 5-Substituted pyrazolo[4,3-d]pyrimidine-7-ones and methods of use The present invention relates to novel 5-substituted pyrazolo[4,3-d]pyrimidine-7-one compounds, and compositions, methods of use and processes to make therefor. The novel compounds are useful in the treatment of cardiovascular disorders, such as heart fai... | 05/19/1987 |
| 4663326 | Pyrazolo[4,3-d]pyrimidine-5,7-(4H,6H)dione or -5-thione-7-one analogs Various novel analogs of pyrazolo[4,3d]pyrimidine-5,7-(4H,6H)diones and also 5-thione-7-ones, novel methods of synthesis therefor, compositions and uses are the present invention. For example, the novel 5,7-diones and 5-thione-7-ones are useful for stimul... | 05/05/1987 |
| 4654348 | Pyrazolo[4,3-d]pyrimidine derivative, process for its production, antihyperlipidemic agent containing it, its intermediate, and process for the production of the intermediate A pyrazolo[4,3-d]pyrimidine derivative having the formula: ##STR1## wherein R1 is lower alkyl or phenyl, R2 is --A--CO2 R21 (wherein A is alkylene having from 1 to 10 carbon atoms which is unsubstituted or ... | 03/31/1987 |
| 4603203 | 3-aminopyrazolo[3,4-d]pyrimidine derivatives and production thereof Novel 3-aminopyrazolo[3,4-d]pyrimidine derivatives represented by the general formula (I) ##STR1## wherein R1 and R2 each represents an aliphatic hydrocarbon group; R3 and R4 each represents hydrogen, alkyl... | 07/29/1986 |
| 4602089 | Process for preparing purine compounds There are prepared compounds of the formulae ##STR1## where R is lower alkyl, chlorine, or bromine and n is an integer from 1 to 5. The compounds of formula (1) can be used to make erythro-9-(2-hydroxy-3-nonyl) hypoxanthine and its homologues and als... | 07/22/1986 |
| 4341782 | Pyrimidine derivatives and agricultural uses Novel pyrimidine derivatives of the formula; ##STR1## ps wherein Ar is phenyl or naphthyl, which may be substituted by lower alkyl, lower alkoxy, lower alkylthio, lower alkylsulfinyl, lower alkylsulfonyl, halogen, nitro, trifluoromethyl or di-lower a... | 07/27/1982 |
| 4315932 | Method of using 1H-pyrimido-4,5-c -1,2-diazepines as antibacterial and anticoccidocidal agents Compounds of the general formula (I) ##STR1## wherein R1 and R2 are selected from a lower alkyl group, a phenyl group (optionally substituted by one or more hydroxy or lower alkoxy groups), a pyridyl group or a group --CO2 | 02/16/1982 |
| 4299824 | Substituted pyrazolo pyrimidine riboside compounds, pharmaceutical compositions and method of use 4-Alkenylthio-1-ଲ-D-ribofuranosylpyrazolo[3,4-d]-pyrimidines are active against coccidia in vivo, and unlike the 4-methylthio analogue, are non-toxic. Methods for the preparation and use of the compounds, intermediates in the preparation and formula... | 11/10/1981 |
| 4299823 | Pyrazolo pyrimidine riboside compounds, pharmaceutical compositions and method of use 4-Substituted alkyl-1--D-ribofuransylpyrazole-(3,4-d) pyrimidines are active against coccidia in vivo and unlike the 4-methylthio analogue, are non-toxic. Methods for preparing and using the compounds, intermediates in the preparation and compositi... | 11/10/1981 |
| 4288365 | Pyrido derivatives Compounds of the general formula (I) ##STR1## wherein R1 and R2 are selected from a lower alkyl group, a phenyl group (optionally substituted by one or more hydroxy or lower alkoxy groups), a pyridyl group or a group --CO2 | 09/08/1981 |
| 4282361 | Synthesis for 7-alkylamino-3-methylpyrazolo [4,3-d]pyrimidines An improved synthesis is disclosed for 7-alkylamino-3-methylpyrazolo[4,3-d]pyrimidines, which are known to be potent cytokinin antagonists.... | 08/04/1981 |
| 4267324 | Process for preparing 4-aminopyrazolo-(3,4-d)pyrimidine There is described a process for synthesizing 4-aminopyrazolo(3,4-d)pyrimidine wherein 3-amino-4-cyanopyrazole is reacted with formamidine or a salt of formamidine at a temperature in the range of from about 85° C. to about 125° C.... | 05/12/1981 |
| 4260758 | Pyrazolo (3,4-d) pyrimidines and methods of making Novel compounds of the general formula (XIX) ##STR1## where R9 is selected from lower alkyl, phenyl, phenyl substituted by one or more hydroxy or lower alkoxy, or pyridyl, are disclosed. A method of making the compounds of Formula (XIX) is disc... | 04/07/1981 |
| 4235905 | 1H-Pyrimido[4,5-c]-1,2-diazepines Compounds of the general formula (I) ##STR1## wherein R1 and R2 are selected from a lower alkyl group, a phenyl group (optionally substituted by one or more hydroxy or lower alkoxy groups), a pyridyl group or a group --CO2 | 11/25/1980 |
| 4226993 | Amino-functionalized phthalhydrazides Amino-functionalized phthalhydrazides of the formula: ##STR1## wherein one of R5 and R6 is hydrogen and the other is --NR7 R8 ; R7 is hydrogen or straight chain alkyl containing 1-4 carbon atoms ... | 10/07/1980 |
| 4223031 | Azolopyrimidinones 6-(1H-Tetrazol-5-yl)thiozolo[3,2-a]pyrimidin-5-ones, 3-(1H-tetrazol-5-yl)-4H-pyrimido[2,1-b]benzothiazol-4-ones, and the corresponding imidazo- and triazolo-pyrimidines, thiones, and imines are useful as antiallergy and antiasthmatic compounds by virtue o... | 09/16/1980 |
| 4182878 | 1-Phenyl-1H-pyrazolo[3,4-d]pyrimidine-4-carbonitrile and a method for its preparation Novel derivatives of 1-phenyl-1H-pyrazolo[3,4-d]pyrimidine substituted at the 4-position of the pyrimidine ring are provided. A typical example is 1-phenyl-1H-pyrazolo[3,4-d]pyrimidine-4-carbonitrile. The compounds exhibit excellent anti-carcinogenic acti... | 01/08/1980 |
| 4169948 | Pyrazolopyrimidines Novel aminoalkyl purine and pyrazolopyrimidine compounds useful in the inhibition of blood platelet aggregation in animals.... | 10/02/1979 |
| 4163846 | Substituted pyrazolopyrimidine compounds There are provided, as novel herbicides, the substituted pyrazolopyrimidines of the formula: ##STR1## where A represents -CO-NR6 - or -C(OR7).dbd.N-, and R1, R2, R3, R4, R6 ... | 08/07/1979 |
| 4100286 | 2-(Substituted heterocyclic amine)benzoic acids Heterocyclic compounds of the formula: ##STR1## WHEREIN ONE OF Y and Z is CH, the other being N, A is a straight or branched saturated hydrocarbon chain from C2 to C6 inclusive, X is chlorine, hydroxy, alkoxy or alkylthio each f... | 07/11/1978 |
| 4053474 | Pyrazolo[4,3-e][1,2,4]triazolo[4,3-c]pyrimidine New pyrazolo[4,3-e][1,2,4]triazolo[4,3-c]pyrimidines have the general formula ##STR1## They are useful as antiinflammatory agents.... | 10/11/1977 |
| 4048171 | 1,4-Dihydropyridines 1,4-Dihydropyridines of the formula: ##STR1## wherein R is hydrogen, straight, branched or cyclic lower alkyl, lower alkenyl, or lower alkinyl, unsubstituted or substituted; or benzyl, or phenethyl, unsubstituted or substituted in the aryl portion; R... | 09/13/1977 |
| 4001230 | 3-(5-Nitroimidazol-2-yl)pyrazolo[3,4-d]pyrimidine compounds There are disclosed novel 3-(5-nitroimidazol-2-yl)-pyrazolo[3,4-d]pyrimidine compounds exhibiting utility as antibacterial and antiprotozoal agents.... | 01/04/1977 |
| 3981869 | Process for the preparation of heterocyclic compounds Process for the preparation of heterocyclic compounds of the general formula ##SPC1## By condensation of an o-substituted amine of the general formula ##SPC2## With a carbonyl compound of the general formula ##EQU1## in the presence of a hydrazi... | 09/21/1976 |
| 3962211 | 7-Substituted nucleoside compounds Novel compounds of the formula ##SPC1## Wherein R is selected from the group consisting of carboxamidine, carboxylic acid, carboxamide, methyl formimidate, thiocarboxamide, carboxamidoxime, carboxamidrazone, and cyano. The compounds have been demonst... | 06/08/1976 |
| 3959275 | Fused ring N-[1-(3-cyano-3,3-diphenylpropyl)-4-phenylpiperidine-4-carbonyloxy]imide s Preparation of the subject compounds by reaction of 1-(3-cyano-3,3-diphenylpropyl)-4-phenylpiperidine-4-carboxylic acid with an N-hydroxy compound of the type HO--N Q wherein ##EQU1## represents an optionally substituted monocyclic- or fused pol... | 05/25/1976 |
| 3948913 | New 5-nitrofuryl derivatives Compounds of the class of substituted or unsubstituted 4-amino-3-(5-nitro-2-furyl)-1H-pyrazolo[3,4-d]pyrimidine and their 5-N oxides have antimicrobial properties and are active ingredients in pharmaceutical compositions and animal feedstuff compositions,... | 04/06/1976 |
