Matches 1 - 50 out of 139 1 2 3 >
Match Document Document Title
7589235 High yield and rapid synthesis methods for producing metallo-organic salts  
A new method for preparing salts of metal cations and organic acids, especially divalent salts of alkaline earth metal ions from group II of the periodic system and carboxylic acids. The method...
7358384 Processes for the recovery of optically active diacyltartaric acids  
When a salt of an amine and an optically active diacyltartaric acid, or a diastereomer salt of an optically active amine and an optically active diacyltartaric acid, obtained by optically resolving...
7311837 Process for the continuous recovery of free tartaric acid from raw materials containing potassium hydrogentartrate  
In a process for the continuous recovery of free tartaric acid from raw materials containing potassium hydrogentartrate, the same are mixed with water and the potassium hydrogentartrate is...
7052875 Stable gene preparations  
The invention is directed to the retention of the stability of formulations useful for a gene therapy during the preparation and preservation. In the invention, at least one saccharide and/or at...
6995286 Process for preparing isomers of salbutamol  
A process for making optically pure (R) and (S) salbutamol comprises obtaining the (R) or (S) isomer of either salbutamol or a salbutamol precursor in substantially optically pure form by resolving...
6670505 Process for the recovery of organic acids from aqueous solutions  
A process for recovering a desired organic acid from a solution includes the steps of: providing an aqueous solution including at least one desired organic acid or its acid anion; adjusting the...
6652820 Methods of making cesium salts and other alkali metal salts  
A method of making a cesium salt is described and involves reacting a cesium sulfate containing solution with lime to form 1) a solution containing at least cesium hydroxide and 2) a residue...
6534678 Process for producing tartaric acid from a raw material containing potassium hydrogentartrate  
Process for producing tartaric acid from a raw material whose dry matter comprises at least 5 wt% potassium hydrogentartrate wherein the raw material containing potassium hydrogen tartrate (KHT) is...
6495711 Process for preparing (-)-(1S, 4R) N-protected 4-amino-2-cyclopentene-1-carboxylate esters  
The invention relates to a process for preparing (−)-(1S,4R) N protected 4-amino-2-cylcopentene-1-carboxylate esters represented by the formula (I) wherein R 1 and R 2 are as described...
6376223 Process for purifying polycarboxylic acids  
Polycarboxylic acids are purified by contacting a crude polycarboxylic acid with a solvent to produce a substantially pure polycarboxylic acid. The solvent is chosen so that the impurities are...
6346649 Process for the recovery and recycle of D-tartaric acid  
There is provided a process for the recovery of essentially enantiomerically pure D-tartaric acid from aqueous and organic waste streams generated in the resolution of racemic...
6320069 Production of optically active ketone  
Process for producing an optically active ester by reaction of a racemic alcohol with an optically active amino or tartaric acid derivative, a process for producing an optically active alcohol by...
5763656 Method of preparing tartaric acid  
A method of preparing tartaric acid in which 5-ketogluconate is oxidized in a carbonate buffer at an alkaline pH preferably in the range of 8 to 10 using vanadate.
5762951 Effervescent composition and tablet made there from  
The present invention relates to an acidic effervescent component for direct tableting of effervescent tablets and a process for its preparation.
5576459 Quaternary nitrogen or phosphorus chirates  
An optically-active or chiral compound is described which comprises (A) at least one quaternary nitrogen or phosphorus cation provided that if the cation is a quaternary nitrogen cation containing...
5451687 Process for producing O,O'-diacyltartaric anhydride and process for producing O,O'-diacyltartaric acid  
An industrial process for producing O,O'-diacyltartaric anhydride with high purity and high efficiency is disclosed. According to the process of the invention, a carboxylic acid of the formula (I):...
5412126 Carboxylic acid sorption regeneration process  
Carboxylic acids are sorbed from aqueous feedstocks into an organic liquid phase or onto a solid adsorbent. The acids are freed from the sorbent phase by treating it with aqueous alkylamine thus...
5349084 Process for recovering high-purity organic acid  
The present invention relates to a process for inexpensively and effectively recovering a high-purity organic acid, according to which a crude organic acid is subjected to extraction treatment with...
5278256 Rapidly degradable poly (hydroxyacid) compositions  
The depolymerization of poly(hydroxyacids) in a liquid medium is enhanced by the presence of a quaternary ammonium compound. Poly(hydroxyacid) polymers containing a quaternary ammonium salt are...
5245078 Process for separating an organic acid or acids from an organic acid-containing solution  
A process for separating an organic acid or acids from an organic acid-containing solution obtained by a fermentation method in which glucose is used as starting material, which comprises...
5135947 1-phenyl-3-naphthalenyloxypropanamines and their use as selective serotonin reuptake inhibitors  
The present invention provides 1-phenyl-3-naphthalenyloxypropanamines which are selective inhibitors of serotonin uptake.
5087746 Process for the production of high purity tartaric acid  
Disodium tartrate which can be easily converted to tartaric acid is produced by hydrolysis of an epoxysuccinate. Formation of impurities is minimized and the reaction time shortened by performing...
5017723 Substituted ethylamines, their preparation process, their use as medicine and their synthesising agents  
Substituted ethylamines of the formula ##STR1## wherein R 1 is phenyl optionally mono-, di- or trisubstituted by halogen, lower alkyl, lower haloalkyl or lower alkoxy, or is an aromatic...
5001245 Process for producing metallic salt of ethercarboxylic acid  
A preparation of metallic salt of ethercarboxylic acid in a pure form by restraining the formation of fumaric acid likely to occur when maleic acid and/or maleic anhydride react with oxycarboxylic...
4950783 Treatment of hypertension  
Compositions containing (-)-5-{(R)-1-Hydroxy-2[(R)-1-methyl-3-phenylpropyl)amino]eth yl}salicylamid e exhibit potent vasodilating β-adrenergic blocking properties and are useful for the treatment...
4923983 Method of resolving cis 3-amino-4-[2-(2-furyl)eth-1-yl]-1-methoxycarbonylmethyl-azetidin-2-one  
Cis αα/ββ-3-amino-[2-(2-furyl)eth-1-yl]-1-methoxycarbony lmethyl-azetidin-2-one is resolved via optically active tartaric acid.
4732709 Preparation of optically-active di-(3-chloro-2-oxy-propyltrimethylammonium)-tartrate  
Process for the production of optically-active di-[3-chloro-2-oxy-propyltrimethylammonium]-tartrate. Racemic 3-chloro-2-oxy-propyltrimethylammonium-chloride is converted by racemate resolution with...
4705894 Process for recovery of organic acids from aqueous solutions  
A mixture of trialkyl phosphine oxides (HTRPO) was prepared having the formula: ##STR1## wherein R 1 , R 2 and R 3 are same or different alkyl groups of 5 to 9 carbon atoms and the total number...
4704407 Soluble dobutamine salts  
Hydroxyalkanoic or alkandioic acid salts of dobutamine having desirable water solubility, useful in preparing intravenous solution for treatment of cardiogenic shock.
4656303 Novel resolution method of racemic mixture  
A novel resolution method of a racemic mixture, wherein four kinds of salts are dissolved in a resolving solvent to fractionally crystallize a desired optically active isomer through an exchange...
4652584 Acetylenic phenoxypropanol derivatives and pharmaceutical compositions for the treatment of hypertension  
Phenoxypropanol derivatives having a 2-acetylenic moiety on the phenyl group thereof of the following formula (I): ##STR1## and their use as anti-hypertensives, e.g. in man. Also part of the...
4597902 N-(arylthioalkyl)-N'-(aminoalkyl)ureas  
N-(arylthioalkyl)-N'-(aminoalkyl)ureas and thioureas and oxidation derivatives having the formula ##STR1## wherein B is thio, sulfinyl or sulfonyl; R 1 and R 2 are hydrogen, loweralkyl,...
4411913 8'-[(3-Amino-2-hydroxy-propoxy)]-spiro-[cyclopentane-1,2'(1 'H)-(3'H)naphtalen]-4'(3'H)-ones  
Compounds of formula I ##STR1## wherein (i) m is O, n is 2 and p is 1 or (ii) m is 0 or 1, n is 1, and p is 1 or (iii) m is 1, n is 1 or 2 and p is 0, R 1 is (i) alkyl of 3 to 7 carbon...
4399077 Certain polyoxy perfluorinated surface active oligomers  
Perfluorinated surface-active block or random oligomers of the formula ##STR1## where R denotes a C 2 -C 18 -hydrocarbon or- hydrofluorocarbon radical, Y denotes a C 6 -C 13 -fluorocarbon...
RE31139 Manufacture of malic acid  
Synthesis of malic acid from maleic and/or fumaric acid in a reaction zone whose surfaces exposed to the reaction mixture consist of titanium, zirconium or tantalum and alloys containing at least...
4322437 Spiro substituted indanones and tetralones  
The present invention relates to a compound of formula I, ##STR1## wherein A is straight chain alkylene of 2 to 4 carbon atoms, or straight chain alkenylene of 2 to 4 carbon atoms, n is 1, 2 or...
4322370 Polycyclic compounds  
Compounds of the formula (II): ##STR1## and pharmaceutically acceptable salts thereof, wherein R 1 is phenyl or naphthyl or substituted phenyl or naphthyl group; R 2 is: ##STR2## wherein R 5 is...
4319045 Process for production of a tartronic acid solution  
The invention disclosed herein describes a process of making a solution of tartronic acid. The tartronic acid solution was produced by a controlled oxidation reaction employing potassium...
4150241 Process for the production of pure racemic acid and mesotartaric acid and separation of maleic acid from synthetic tartaric acid  
Pure racemic acid (dl-tartaric acid) and meso tartaric acid are produced by reaction of an alkali maleate with aqueous hydrogen peroxide in the presence of an alkali tungstate in a process wherein...
4146637 Anti-inflammatory N-acyl substituted benzamides  
There are disclosed N-acyl substituted benzamides of the general formula: ##STR1## wherein: X is carbon or nitrogen; R 1 is hydrogen, alkyl, halogen, trifluoromethyl, alkoxy, phenoxy or...
4138427 Sequenced surfactant oligomers of the polyhydroxylated polyether type, process for preparing them and composition containing them  
Polyhydroxylated sequenced oligomer surfactants of the formula: HO--C 2 H 3 (CH 2 OH)O-- n --C 2 H 3 (CH 2 ZR)O-- m --C 2 H 3 (CH 2 OH)O-- n , H where R is C 14 -C 18 alkyl, Z...
4110472 Derivatives of 1-(disubstituted phenoxy)-3-amino-2-hydroxypropanes  
N-Diphenylmethyl and o-biphenylenemethyl derivatives of 1-(disubstituted phenoxy)-3-amino-2-hydroxypropane and their salts are useful for combatting cerebrovascular insufficiency and producing...
4105795 Antispasmodic substituted sulphoximides  
This invention provides compounds of the general formula I ##STR1## wherein R 1 and R 2 independently represent groups selected from the group consisting of straight chain alkyl groups; branched...
4085138 Process for optical resolution of crude trans-1,2-cyclohexanediamine  
Crude trans-1,2-cyclohexanediamine (DACH) contained in a mixture of amines derived as a by-product from the manufacture of 1,6-hexanediamine (HDA) or any other synthesis process crude by-product...
4082851 Sulphonamides, compositions containing the same and methods for using the same in the treatment of hypertension or odemeas  
The invention relates to a series of new compounds, salts thereof and to methods for the preparation of the compounds which have the general formula ##STR1## in which R 1 stands for an...
RE29588 Preparation of d-2-amino-1-butanol salts  
A racemic mixture of dl-2-amino-1-butanol is resolved with separation of the d-2-amino-1-butanol by crystallizing as a salt with L(+)-tartaric acid from an essentially anhydrous solution in ethanol...
4060535 Process for the production of metal salts of organic acids  
Metal salts of organic acids are produced rapidly and efficiently by subjecting a reaction mixture that contains a metal oxide, hydroxide, or carbonate, an organic acid that has a melting point...
4041075 Phenoxy-alkanolamine derivatives  
Novel 1-amidoaryloxy-3-amidoalkylamino-2-propanol derivatives, processes for their manufacture, pharmaceutical compositions containing them and methods of using them in the treatment of heart...
4041074 1-Hydroxyaryl-2-amidoalkylaminoethanol derivatives  
Novel 1-hydroxyaryl-2-amidoalkylaminoethanol derivatives, processes for their manufacture, pharmaceutical compositions containing them and methods of using them in the treatment of heart failure...
4028407 Method of producing tartaric acid  
Tartaric acid is produced by epoxidizing acid calcium maleate with aqueous hydrogen peroxide in the presence of a tungstic acid-containing catalyst to produce sparingly soluble acid calcium...
Matches 1 - 50 out of 139 1 2 3 >