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| Number | Title | Issue Date |
| 7465828 | Method for preparing hydrazodicarbonamide using biuret as starting material The method for preparing hydrazodicarbonamide (HDCA) using biuret as a starting material is disclosed. The method comprises the steps of; obtaining metal monohalobiuret salt by reacting a biuret with a metal hypohalogen compound, or by reacting the biuret with a hal... | 12/16/2008 |
| 7456314 | Partially fluorinated ionic compounds Partially fluorinated ionic compounds are prepared. They are useful in the preparation of partially fluorinated dienes, in which the repeat units are cycloaliphatic. ... | 11/25/2008 |
| 6943179 | Biurethane derivatives Novel compounds of the formula I in which X, Y, Z, R, R1, R2 and R3 are as defined in Patent Claim 1, are inhibitors of coagulation factor Xa and can be employed for the prophylaxis and/or therapy of tromboembolic diseases and... | 09/13/2005 |
| 6635785 | Method for synthesizing hydrazodicarbonamide A method for synthesizing hydrazodicarbonamide (HDCA) by a reaction of monohalobiuret metal salt having the formula 1 or 2, which is derived from biuret, and ammonia, wherein M is a metal and X is a halogen. The monohalobiuret metal salt is inexpensive an... | 10/21/2003 |
| 6515177 | Method of coating materials and materials formed thereby A method of forming a methylol urea prepolymer and a particle coated in with the prepolymer. The method involves providing a source of methylol urea and a source of aldehyde and reacting the urea and the aldehyde in the presence of an excess of urea to fo... | 02/04/2003 |
| 6472560 | Process for preparing hydrazodicarbonamide via ketimines The present invention relates to a novel process for preparing hydrazodicarbonamide (HDC) that is, after oxidation to azodicarbonamide (ADC), used industrially as a polymer auxiliary.... | 10/29/2002 |
| 6441231 | Optically active quarternary ammonium salt with axial chirality, method for producing thereof, and application thereof for asymmetric synthesis of -amino acid A novel optically active quarternary ammonium salt with an axial chirality is provided. The quarternary ammonium salt can act as a phase-transfer catalyst to convert glycine derivatives into optically active -amino acid derivatives by stereoselecti... | 08/27/2002 |
| 6362359 | One-component thermoset coating compositions The present invention relates to compounds containing modified hydrazide groups and corresponding to formula I ##STR1## wherein R represents the residue obtained by removing the isocyanate groups from a monomeric polyisocyanate, a polyisocyanate adduct or... | 03/26/2002 |
| 6331542 | Protease inhibitors The present invention provides compounds which inhibit proteases, including cathepsin K, pharmaceutical compositions of such compounds, and methods for treating diseases of excessive bone loss or cartilage or matrix degradation, including osteoporosis; gi... | 12/18/2001 |
| 6284777 | Carbohydrazide protease inhibitors The present invention provides compounds which inhibit proteases, including cathepsin K, pharmaceutical compositions of such compounds, and methods for treating diseases of excessive bone loss or cartilage or matrix degradation, inducing osteoporosis; gin... | 09/04/2001 |
| 6281211 | Substituted semicarbazides and the use thereof This invention is related to substituted semicarbazides represented by Formula (I) or a pharmaceutically acceptable salt or prodrug thereof, wherein: R1 and R2 are independently hydrogen, alkyl, cycloalkyl, alkenyl, alkynyl, haloalky... | 08/28/2001 |
| 6150457 | One-component thermoset coating compositions The present invention relates to compounds containing modified hydrazide groups and corresponding to formula I ##STR1## wherein R represents the residue obtained by removing the isocyanate groups from a monomeric polyisocyanate, a polyisocyanate addu... | 11/21/2000 |
| 6114493 | Phosgenated oxime resins and their preparation This invention relates to methods for preparing novel, solid-phase transfer reagents, specifically phosgenated oxime resins and non-symmetrical ureas, that are useful as supports in combinatorial synthesis for the creation of libraries of compounds for le... | 09/05/2000 |
| 5858327 | Hydrazino-type N2 S2 radionuclide chelating compounds Radionuclide chelating compounds are provided for conjugation to targetting molecules such as proteins, peptides or antibodies. The resulting labelled targetting molecules may be used in diagnosis and therapy.... | 01/12/1999 |
| 5852160 | Phosgenated oxime resins and their preparation This invention relates to methods for preparing novel, solid-phase transfer reagents, specifically phosgenated oxime resins and non-symmetrical ureas, that are useful as supports in combinatorial synthesis for the creation of libraries of compounds for le... | 12/22/1998 |
| 5837874 | Hydrazide intermediates The present invention relates to a triazole compound represented by the formula (1): ##STR1## wherein R1 represents a lower alkyl group which may have a substituent; R2 and R3 represent respectively hydrogen, an aryl ... | 11/17/1998 |
| 5824805 | Branched hydrazone linkers Branched hydrazone linkers for linking a targeting ligand such as an antibody to a therapeutically active drug. The point of branching is at a polyvalent atom and the number of drugs increases by a factor of two for each generation of branching. A preferr... | 10/20/1998 |
| 5659064 | Hydrazone intermediates The present invention relates to a triazole compound represented by the formula (1): ##STR1## wherein R1 represents a lower alkyl group which may have a substituent; R2 and R3 represent respectively hydrogen, an aryl ... | 08/19/1997 |
| 5637619 | Antitumor 2-aminocarbonyl-1, 2-bis(methylsulfonyl)-1-(substituted)hydrazines The present invention relates to novel 2-aminocarbonyl-1,2-bis(methylsulfonyl)-1-(2-chloroethyl)hydrazines and 2-aminocarbonyl-1,2-bis(methylsulfonyl)-1-methylhydrazines, and their use to treat malignant tumors. The agents are especially useful in the ... | 06/10/1997 |
| 5574140 | Hydrazino-type N2 S2 chelators Radionuclide chelating compounds are provided for conjugation to targetting molecules such as proteins, peptides or antibodies. The resulting labelled targetting molecules may be used in diagnosis and therapy. ##STR1##... | 11/12/1996 |
| 5367093 | Insecticidal phenylhydrazine derivatives Compounds having the structural formula ##STR1## where X, Y, R and Z are defined in the specification are disclosed. The compounds of this invention are effective for controlling mites, nematodes, rice planthopper, tobacco budworm, and southern corn ... | 11/22/1994 |
| 5283248 | Amino substituted pyrimido[1,6-2]benzimidazoles The present invention relates to novel substituted pyrimidobenzimidazole derivatives of the formula ##STR1## wherein the substituents are as described in the specification, and pharmaceutically acceptable salts thereof. The products have an inhibitor... | 02/01/1994 |
| 5137877 | Bifunctional linking compounds, conjugates and methods for their production The present invention provides novel N-substituted hydrazine bifunctional compounds, novel N-subhstituted hydrazone derivatives of a cytotoxic reagent incorporating the bifunctional compounds, novel conjugates containing at least one cytotoxic reagent mol... | 08/11/1992 |
| 5041545 | 2-hydroxybenzophenone hydrazides and derivatives thereof Hydrazide functionalized 2-hydroxybenzophenone ultraviolet light and heat stabilizers and derivatives are disclosed having the general formula: ##STR1## wherein R1, R2, R3, R4, R5, R6, X, Y... | 08/20/1991 |
| 4973618 | Oligomeric semicarbazide additives for spandex Oligormeric polyether/urethanes with semicarbazide end-groups protect spandex fibers from discoloration in atmospheric fumes and/or light. The oligomers are prepared from polyether glycols, diisocyanates and N,N-dialkylhydrazine.... | 11/27/1990 |
| 4482738 | Process for preparing semicarbazide hydrochloride A process for preparing semicarbazide hydrochloride comprising the steps: (a) reacting an aqueous hydrazine solution with urea at a temperature from about 80° C. to about 130° C. and at a mole ratio of hydrazine to urea from about 0.9:1 to about 1.2:1 to for... | 11/13/1984 |
| 4414413 | 1,2-Di[N,N-Bis(2-fluoro-2,2-dinitroethyl)carbamyl]hydrozine N,N,N',N'-tetrakis(2-fluoro-2,2-dinitroethyl) oxamide, ##STR1## which is prepared by the following reaction sequence ##STR2## N,N,N',N'-tetrakis(2-fluoro-2,2-dinitroethyl) oxamide is a high density, energetic explosive which is melt castable as ... | 11/08/1983 |
| 4331680 | Pesticidal compounds, compositions and methods Novel compounds are described which are substituted benzophenone hydrazones. They have pesticidal activity, especially against insects and acarids, and pesticidal compositions and methods are described. Methods of making the compounds, and novel intermedi... | 05/25/1982 |
| 4317928 | N,N,N',N'-Tetrakis(2-fluoro-2,2-dinitroethyl) oxamide and a method of preparation thereof N,N,N', N'-tetrakis(2-fluoro-2,2-dinitroethyl) oxamide, ##STR1## which is prepared by the following reaction sequence ##STR2## N,N,N',N'-tetrakis(2-fluoro-2,2-dinitroethyl) oxamide is a high density, ergetic explosive which is melt castable as w... | 03/02/1982 |
| 4294972 | 1,2-Disubstituted oxo triazolidine Compounds of the formula (I): ##STR1## wherein n is 3 to 5; Y is --CH2 --CH2, --CH.dbd.CH-- or C.tbd.C--; L is O or S; R1 is C1-4 alkyl; R2 is hydrogen, C1-4 alkyl or phenyl; R3 is hy... | 10/13/1981 |
| 4176135 | Process for preparing hydrazodicarbonamide Hydrazodicarbonamide is prepared by reacting a compound represented by ##STR1## with urea while the former is being continuously or intermittently introduced into the reaction system and while the carbonyl compound and ammonia produced as by-products... | 11/27/1979 |
| 4175200 | N,N-Disubstituted sulfonyl hydrazines N,N'-disubstituted sulfonyl hydrazine with the following structural formula are disclosed: wherein the R1 and R2 groups are the same or different and are either --COOR3 or --CONHR4. These novel compounds are useful a... | 11/20/1979 |
| 4164611 | Aromatic sulfonyl hydrazides and semicarbazides as chemical blowing agents Aromatic sulfonic acid hydrazides and semicarbazides having a sterically hindered phenol group are usable as blowing agents in the manufacture of foamed plastics articles. On heating to about 200 to 300° C. they are splitting off nitrogen and the residue... | 08/14/1979 |
| 4158659 | Acylamino derivatives Acylamino heteroaryl compounds in which the heteroaryl nucleus is a 1,3,4-oxadiazole or 1,3,4-thiadiazole nucleus, methods of making the compounds and pharmaceutical formulations containing the compounds. The compounds have anti-allergy activity.... | 06/19/1979 |
| 4133832 | Blowing agents -bis(hydrocarbylsulfonyl) carbohydrazides Hydrocarbylsulfonyl carbohydrazides of the following structural formulae are disclosed for use as blowing agents: ##STR1## The compounds wherein the R groups are alkyl are novel, as are the polymeric products.... | 01/09/1979 |
| 4104301 | Synthesis of sulfonyl semicarbazides A new synthetic route to sulfonyl semicarbazides (sulfonyldiazanecarboxamides) and sulfonyl-1,2-diazanedicarboxyamide wherein a substituted 1,2-diazenedicarboxamide is reacted with a salt of a sulfinic acid.... | 08/01/1978 |
| 4096100 | Blowing agents-bis(hydrocarbylsulfonyl) carbohydrazides Hydrocarbylsulfonyl carbohydrazides of the following structural formulae are disclosed for use as blowing agents: ##STR1## The compounds wherein the R groups are alkyl are novel, as are the polymeric products.... | 06/20/1978 |
| 4066639 | Benzene-sulfonyl semicarbazides and process for preparing them A benzene-sulfonyl semicarbazide of the formula ##STR1## wherein R is such as phenyl and substituted phenyl, cyclohexyl or alkyl, Y is -CH2 CH2 - or ##STR2## is alkylene-imino of 3 to carbon atoms which may also be substitu... | 01/03/1978 |
| 4049712 | Method for manufacturing hydrazodicarbonamide This invention relates to a method for preparing hydrazodicarbonamide ##STR1## which comprises reacting urea, sulfuric acid, water and an azine or a solution containing an azine of the formula ##STR2## wherein R1 is hydrogen and R | 09/20/1977 |
| 4029702 | Oil-soluble bicarbamamide compounds The oil-soluble azo compounds of this invention are useful as dispersants, corrosion inhibitors and anti-wear agents in lubricating oil and fuel compositions. The predominant oil-soluble azo reaction product may be represented by the following formulas: ... | 06/14/1977 |
