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.
PatentStorm News
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 |
| 6999293 | Safety device for a delta-connected three-phase electric appliance A safety device for use in conjunction with a delta-connected three-phase electric appliance. The electric appliance is supplied in a delta connection so that the loads (100, 101, 102) of the appliance with their respective control switches (100a | 02/14/2006 |
| 5831077 | Glycosylhydrazines, preparation, immobilization and reactions of: glycoprotein analysis and O-glycan removal The present invention consists in methods of preparing sugar derivatives either in isolation or from glycopeptides or glycoproteins. The methods comprise producing sugar hydrazones, sugar pyrazoles, glycosylpyrazones, azoglycan dyes and hydrazoglycan dyes... | 11/03/1998 |
| 5035999 | Aminoluciferin derivatives, processes for the production thereof and their application in the determination of enzyme activities The invention relates to D-aminoluciferin derivatives of the general formula I ##STR1## wherein R1 represents a L-amino acid or peptide radical having up to 10 L-amino acid moieties said radical being bound via the (terminal) carboxyl... | 07/30/1991 |
| 4983725 | Mannobiose derivatives Novel mannobiose derivative represented by the general formula [I]: ##STR1## wherein groups of R1 to R5 each represents --OH, --OR6, --NHR6, (R6 represents an acyl group) or a group represented by ... | 01/08/1991 |
| 4970302 | Selective catalytic conversion of cyanohydrins to their corresponding aldehydes without concurrent amine formation There is described a method of selectively and continuously converting a cyanohydrin to its corresponding aldehyde using as a catalyst zerovalent palladium dispersed on an organic polymeric resin with a surface area above 30 m2 /g under highly ... | 11/13/1990 |
| 4957906 | Pharmaceutical compositions containing a derivative of para-aminobenzoic acid as an active ingredient Disclosed is a pharmaceutical composition containing an aminobenzoic acid derivative as an active ingredient represented by the following general formula: ##STR1## wherein 1 R donotes one member selected from the group consisting of t... | 09/18/1990 |
| 4891425 | N-glycosylamide derivatives, processes for their preparation and their use as medicaments A N-glycosylamide derivative of the formula (I) ##STR1## in which R1 denotes hydrogen or a saturated or mono- or polyunsaturated alkyl radical with one to 50 carbon atoms, R2 denotes hydrogen or a saturated or mono- or polyunsaturate... | 01/02/1990 |
| 4801581 | Pharmaceutical composition containing para-amino-benzoic acid-N-D-xyloside as an active ingredient Disclosed is a pharmaceutical composition containing p-aminobenzoic acid-N-D-xyloside or a pharmaceutically a acceptable salt thereof as an active ingredient.... | 01/31/1989 |
| 4748159 | Method for the treatment of tumors Disclosed is a method for the treatment of hyperglycemia, hyperlipemia, inflammatory diseases, pains due to the accentuation of central nerve, pyrexia due to the accentuation of central nerve or tumor, which comprises administering to a patient suffering ... | 05/31/1988 |
| 4737488 | Immune system-stimulating N-glycosylated ureas and carbamates Compounds of the formula ##STR1## wherein R1 is hydrogen, an optionally substituted aromatic hydrocarbon radical, an aralkyl radical or an optionally substituted aliphatic hydrocarbon radical having up to 45 C atoms, R2 is an op... | 04/12/1988 |
| 4720543 | 1a-7-substituted derivatives of mitomycin and uses thereof This invention discloses 1a- and 7-substituted derivatives of mitosanes containing thiocarbamoyl and glycosyl residues. The compounds possess antibacterial and antitumor activity, with a concomitant reduction in bone marrow toxicity as compared to the par... | 01/19/1988 |
| 4719294 | Isolation of unreduced oligosaccharides A preparative scale method for the isolation of unreduced oligosaccharides of glycoproteins and glycohormones having an N-linked oligosaccharide structure is disclosed. The method employs hydrazinolysis of the glycoprotein or glycohormone under reaction c... | 01/12/1988 |
| 4710491 | N-glycosylated carboxylic acid derivatives as agents for combating rheumatic diseases A method of combating rheumatic diseases which comprises administering to a patient afflicted therewith an amount effective to combat such disease of a compound of the formula ##STR1## in which Z is a glycosyl radical bonded via the anomeric carbon a... | 12/01/1987 |
| 4708950 | Pharmaceutical composition containing a derivative of orthoaminobenzoic acid as an active ingredient Disclosed is a pharmaceutical composition containing an aminobenzoic acid derivative as an active ingredient represented by the following general formula: ##STR1## wherein 1 R denotes one member selected from the group consisting of t... | 11/24/1987 |
| 4699899 | Substituted O-sulphonyl-glycosylamides, processes for their preparation and their use as medicaments Novel compounds of the formula ##STR1## in which X is hydrogen or --CH2 --OR5, Z represents OR4, NH2 or ##STR2## R2, R3, R4 and R5 each independently is hydrogen ... | 10/13/1987 |
| 4686208 | Phosphorylated glycosyl-amides, -ureas, -carbamates and -thiocarbamates and method of use Compounds of the formula ##STR1## in which R1 represents an optionally substituted, straight-chain or branched, saturated, monounsaturated or polyunsaturated alkyl radical, an optionally substituted, saturated or one- or polyunsaturated cy... | 08/11/1987 |
| 4683222 | N-glycosylated carboxamide derivatives and their use for influencing the body's inherent defences The invention relates to N-glycosylated carboxamide derivatives of Formula I which are useful for influencing the body's inherent defenses, e.g. for increasing immune system antibodies. Also included in the invention are compositions containing said N-gly... | 07/28/1987 |
| 4680287 | N-glycosylated carboxamide derivatives as growth-promoters in livestock feeding Growth of animals is promoted by inclusion in their feed of compounds of the formula ##STR1## in which Z is a glycosyl radical bonded via the anomeric carbon atom, R1 is hydrogen or an optionally substituted hydrocarbon radical having up t... | 07/14/1987 |
| 4659844 | Cyclic ethers which are substituted in a -position by an isocyanide-dichloride group, and a process for their preparation The invention relates to new cyclic ethers which are substituted in the -position by an isocyanide-dichloride group, of the formula ##STR1## in which R1, R2, R3, R4, R5 and n have the mean... | 04/21/1987 |
| 4656259 | Method for preparing N-alkyl-N'-glycosyl-N-nitrosourea A method for preparing an N-alkyl-N'-glycosyl-N-nitrosourea which comprises reacting a non-protected monosaccharide with an alkylurea in the presence of nitroaniline in an organic medium, followed by nitrosation of the reaction product.... | 04/07/1987 |
| 4596794 | Method for the treatment of hyperglycemia, hyperlipemia, inflammatory diseases, pains or pyrexia due to the accentuation of central nerve, or tumor Disclosed is a method for the treatment of hyperglycemia, hyperlipemia, inflammatory diseases, pains due to the accentuation of central nerve, pyrexia due to the accentuation of central nerve or tumor, which comprises administering to a patient suffering ... | 06/24/1986 |
| 4574122 | Substituted O-acylglycosylamides, pharmaceutical compositions and method of use Compounds of the formula ##STR1## in which X is hydrogen or the radical --CH2 OR5, three of R2, R3, R4 and R5 each independently is hydrogen or ##STR2## and the fourth is ##S... | 03/04/1986 |
| 4569842 | Pharmaceutical composition containing a derivative of para-aminobenzoic acid as an active ingredient Disclosed is a pharmaceutical composition containing an aminobenzoic acid derivative as an active ingredient represented by the following general formula: ##STR1## wherein 1 R denotes one member selected from the group consisting of t... | 02/11/1986 |
| 4559327 | Pharmaceutical composition containing para-aminobenzoic acid-N-L-rhamnoside as an active ingredient Disclosed is a pharmaceutical composition containing p-aminobenzoic acid-N-L-rhamonoside or a pharmaceutically acceptable salt thereof as an active ingredient.... | 12/17/1985 |
| 4554349 | Aralkyl and aralkenyl glycosides as inhibitors of antigen-specific T-cell proliferation The invention disclosed herein relates to novel 1-deoxyglycosides, preferably 1-deoxy-D-mannopyranosides and 1-deoxy-L-rhamnopyranosides, having in the 1-position of the pyranose ring an aralkylthio/aralkenylthio, aralkyloxy/aralkenyloxy or aralkanoy... | 11/19/1985 |
| 4540684 | 3-Nitro-5-amide-1,4-dihydropyridines with positive inotropic activity A 1,4-dihydropyridine derivative of the formula ##STR1## in which R and R1 each independently is hydrogen, C1 -C4 -alkyl, C1 to C12 -alkoxy, C1 -C4 -halogenoalkoxy, halogen,... | 09/10/1985 |
| 4462993 | Aminoacridine-, ଲ-(D)- or -(L)-N-glycoside derivatives, the salts thereof and a process for the preparation of such compounds The invention relates to novel aminoacridine-,ଲ-(D)- and -(L)-N-glycoside derivatives, the salts thereof and to a novel process for the preparation of such compounds and salts. The novel compounds have the formula I ##STR1## wherein... | 07/31/1984 |
| 4450156 | Pharmaceutical composition containing a derivative of ortho-aminobenzoic acid as an active ingredient Disclosed is a pharmaceutical composition containing an aminobenzoic acid derivative as an active ingredient represented by the following general formula: ##STR1## wherein 1 R denotes one member selected from the group consisting of t... | 05/22/1984 |
| 4440757 | Pharmaceutical composition comprising derivative of aminobenzoic acid for regulating prostaglandin A pharmaceutical composition for regulating prostagrandins, which comprises (a) a derivative of aminobenzoic acid, represented by the following general formula: ##STR1## wherein R1 denotes one member selected from the group consisting of ... | 04/03/1984 |
| 4380536 | Pharmaceutical composition containing para-amino-benzoic acid-N-D-mannoside as an active ingredient Disclosed is a pharmaceutical composition containing p-aminobenzoic acid-N-D-mannoside or a pharmaceutically acceptable salt thereof as an active ingredient.... | 04/19/1983 |
| 4372948 | Derivative of saccharide and physiologically active agent containing the same The novel derivatives of saccharide obtained by bringing a saccharide into reaction with an ester of aminobenzoic acid, an aminobenzoic acid amide, an aminophenylacetic acid or an ester thereof have various physiological activities.... | 02/08/1983 |
| 4367226 | N-Sugar compounds, compositions and uses thereof Novel, water-soluble antimicrobial compounds are provided which contain a sugar moiety linked to a nitrogen atom of substituted thiourea or a thiazole. The compounds have the general formula: ##STR1## and the pharmaceutically acceptable salts thereof... | 01/04/1983 |
| 4335131 | Amrinone-N-glucuronide, salts and cardiotonic use thereof Amrinone-N-glucuronide or pharmaceutically-acceptable acid-addition or cationic salt thereof useful as cardiotonic agent is prepared by reacting amrinone with glucuronic acid or cationic salt thereof. Cardiotonic composition and method for increasing card... | 06/15/1982 |
| 4322408 | Pharmaceutical composition containing a derivative of para-aminobenzoic acid as an active ingredient Disclosed is a pharmaceutical composition useful in the treatment of hypertension containing an aminobenzoic acid derivative as an active ingredient represented by the following general formula: ##STR1## wherein 1 R denotes one member sele... | 03/30/1982 |
| 4322409 | Pharmaceutical composition containing a derivative of orthoaminobenzoic acid as an active ingredient Disclosed is a pharmaceutical composition useful for the treatment of hypertension containing an aminobenzoic acid derivative as an active ingredient represented by the following general formula: ##STR1## wherein 1 R denotes one member sel... | 03/30/1982 |
| 4315921 | Pharmaceutical composition containing fara-amino-benzoic acid-N-D-xyloside as an active ingredient Disclosed is a pharmaceutical composition containing p-aminobenzoic acid-N-D-xyloside or a pharmaceutically acceptable salt thereof as an active ingredient.... | 02/16/1982 |
| 4267314 | Process for the preparation of lactosylurea, its purification and its conversion to the corresponding N-hydroxymethylated derivative A process for the preparation of lactosylurea and the N-methylol derivative thereof which are usable as feed supplements for ruminants. According to this process, lactose and urea are heated to 70°-110° C. with a minimum of water and, if possible, this ... | 05/12/1981 |
| 4247698 | Red coloring composite and the method for its production PCT No. PCT/JP78/00054 PCT Filed Dec. 14, 1978 Sec. 371 Date Aug. 9, 1979 Sec. 102(e) Date Aug. 9, 1979 PCT Pub. No. WO79/00394 PCT Pub. Date Jul. 12, 1979. Novel reddish coloring compounds of varying hue and the method for its production, obtained by rea... | 01/27/1981 |
| 4241053 | Novel nitrosourea compounds and process for preparing the same A compound of the formula: ##STR1## wherein R1 is lower alkoxy, lower alkoxy-methoxy or 2-hydroxy-ethoxy, R2 is aldo-pentofuranosyl, aldo-pentopyranosyl, aldohexopyranosyl or O-aldo-hexopyranosyl-(1.fwdarw.4)-aldo-hexopyranosyl,... | 12/23/1980 |
| 4241052 | Novel nitrosourea compounds and process for preparing the same A nitrosourea compound of the formula: ##STR1## wherein R1 is an alicyclic group having 3 to 6 carbon atoms, phenyl, phenyl substituted with one to substituents selected from halogen, lower alkyl, lower alkoxy, hydroxy and nitro, or a hete... | 12/23/1980 |
