Matches 151 - 200 out of 433 < 1 2 3 4 5 6 7 8 9 >
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4581178 Addition of aldehydes to organic compounds having a carbon-hydrogen bond activated by a nitro or nitrile group  
Low valent transition metal complexes containing small cone angle phosphine or arsine ligands efficiently catalyze addition of aldehydes to compounds or groups having a C--H bond activated by a...
4560798 Production of aminoethylethanolamine using rare earth metal or strontium hydrogen phosphates as catalysts  
This invention pertains to the production of aminoethylethanolamine in high selectivity by the intermolecular condensation of monoethanolamine with itself. Selective intermolecular condensation is...
4542214 Carbamate and carbonate salts of tertiary amines  
Novel carbamic and carbonic acid derivatives are provided by simultaneous reaction of a secondary amine and a tertiary amine with carbon dioxide. These derivatives correspond in general to the...
4536347 Selective hydrogenation of unsaturated carbonyl compounds  
Ruthenium-on-charcoal and ruthenium-on-carbon black catalysts, containing from 0.1 to 5% by weight of iron, for the preparation of olefinically unsaturated alcohols by selective hydrogenation of...
4521626 Preparations of alkanolamines  
5-Methyl-2-oxazolidinone and 5-methyl-3-(2-hydroxypropyl)-2-oxazolidinone are prepared by contacting urea and propylene carbonate in the presence of an initiator at a temperature from about 120°...
4500717 Process for preparation of 2-oxazolidinones  
The invention is a process for the preparation of 2-oxazolidinones which comprises contacting a 2-hydroxyalkyl carbamate with an alkylene oxide or alkylene carbonate in the presence of a catalytic...
4491583 Interferon induction in animals by amines  
A process for inducing the production of endogenous interferon in a vertebrate animal which comprises parenterally, intranasally or topically adminstering to the animal an interferon-inducing...
4450246 Novel polyurethane catalysts in polyurethane foam process  
A process for producing a polyurethane foam by reacting an organic polyisocyanate with an organic polyester polyol or polyether polyol in the presence of a catalytic amount of specific amine...
4433170 Novel bis(aminoethyl)ether derivatives useful as polyurethane catalysts  
The alkylene oxide adduct of bis(aminoethyl)ether may be reacted with formaldehyde in the presence of hydrogen and a hydrogenation-dehydrogenation catalyst to produce new compounds of the formula...
4430455 N'-(2-Hydroxyalkyl)-N, N, N'-trimethyl-propylene diamines as catalysts for polyurethane foams  
New ditertiary aminoalcohols are useful as catalysts in the preparation of polyurethane foams. The new catalysts are particularly stable in the presence of polyols and other components often used...
4416735 Diluent and method for potentiometric assay of liquids  
A diluent and a method of assaying are described, by which the ionic strength range of the liquid that is to be assayed potentiometrically, is compressed. The diluent comprises a predetermined...
4405811 Severely sterically hindered tertiary amino compounds  
A novel class of severely sterically hindered tertiary amino compounds having a pK a value at 20° C. greater than 8.6, preferably ranging from 9.3 to about 10.6, and a cumulative -E s value of...
4405461 Control of silica scaling in industrial processes  
A method and product for use in controlling the deposition of silica-containing scales and their adhesion to the walls of piping and other plant components. The product is an amine to which is...
4395311 Preparation of aminomethanols  
Crude aminomethanols are converted to salt form by the addition of a strong acid and subsequently distilled under vacuum. The resulting purified aminomethanol is essentially free of unreacted...
4389526 Intermediates and synthesis of 2-amino-2-deoxytetritols  
Novel methods are provided for synthesizing 2-amino-2-tetritol, by positive halogen addition to protected 1,4-dioxybutene-2 in the presence of a nitrile, resulting in addition of a halo...
4385192 Process for manufacturing DBCP  
A process for manufacturing 1,2-dibromo-3-chloropropane is disclosed. The process comprises the steps of reacting bromine and allyl chloride at a temperature of from 5° to 85° C. and maintaining...
4384147 Preparation of catalysts and their use for the hydrogenation of acetylene-alcohols  
A process for the preparation of a hydrogenation catalyst which contains the oxides of the metals nickel, copper, molybdenum and aluminum and/or iron, and may or may not contain manganese oxide, by...
4381223 Process for the treatment of organic amine compositions  
This invention provides for the separation of an amine composition undergoing processing at high temperatures and pressures which amine composition contains volatile components and less volatile...
4380591 Novel amino catalyst mixture for stabilization of polyurethane foam  
Amino catalyst mixtures containing from 10 to 95 percent by weight of 2-diisopropylamino ethanol and from 5 to 90 percent by weight of an amine or mixture of amines selected from the group...
4379024 Process for the manufacture of alkylaminoalkanol  
Color-stable alkylaminoalkanol is prepared by adding, prior to stripping-off excess reactant, an alkali metal borohydride to the reaction product of alkylene oxide and an excess of primary or...
4352760 Organic compounds substituted heptadeca-5,9- and 5,10-dienoic acid  
The present invention provides novel substituted heptadeca-5,9- and 5,10-dienoic acid and similar fatty acid compounds which are derivatives of certain prostaglandins and are potent thromboxane A 2...
4350606 Composition and method for inhibiting corrosion  
Corrosion in steam condensate lines is inhibited by maintaining a mix of a hydroxylamine compound and a neutralizing amine in the water.
4340760 Monophenylamine derivatives  
Monophenylamine derivatives are prepared.
4332969 Substituted 11-aminoundecanols  
Novel substituted 11-aminoundecanols of the formula ##STR1## and a process for their preparation are described; in the formula, R 1 and R 3 independently of one another are hydrogen or alkyl...
4324918 N,N-Dimethyl-N'-isobutyl-N'-β-hydroxyethyl-propylenediamine and a process for its preparation  
There are disclosed the chemical compound N,N-dimethyl-N'-isobutyl-N'-β-hydroxyethyl-propylenediamine , a process for the preparation thereof and its use.
4321271 Heterocyclic and aliphatic growth promotors  
Compounds of formula (I) ##STR1## wherein: R 1 is C 1 -6 alkyl or C 5 -7 cycloalkyl; R 2 is hydrogen or C 1 -6 alkyl; or NR 1 R 2 represents a heterocyclic ring having 5 to 7 ring atoms...
4294972 1,2-Disubstituted oxo triazolidine  
Compounds of the formula (I): ##STR1## wherein n is 3 to 5; Y is --CH 2 --CH 2 , --CHCH-- or C.tbd.C--; L is O or S; R 1 is C 1 -4 alkyl; R 2 is hydrogen, C 1 -4 alkyl or phenyl; ...
4293682 Nitrogen containing compounds and compositions  
Nitrogen-containing compounds are provided which may be represented structurally as: ##STR1## wherein R 1 and R 2 are each independently selected from hydrogen and lower alkyl and R 3 is...
4281201 Tertiary amines for use in water base hair care compositions  
This invention relates to compounds of the formula: ##STR1## including derivatives thereof. The subject compounds have been found to be particularly useful as cationic emulsifiers and exhibit many...
4272455 Production of monoalkyleneglycols, monoalkanolamines and alkylenediamine  
A method for the formation of monoalkyleneglycols, monoalkanolamines and alkylenediamines, comprising the steps of: (a) reacting ammonia or ammonium carbonate with an alkylenecarbonate to form a...
4259521 Process for resolving DL-mandelic acid  
An improved process is disclosed for resolving DL-mandelic acid using optically active 2-amino-1-butanol. The known process comprises: (a) reacting DL-mandelic acid with optically active...
4224251 Preparation of 5-diethylaminopentan-2-ol  
5-Diethylaminopentan-2-ol is obtained from 1-diethylamino-pent-2-yn-4-ol by hydrogenation, if a nickel catalyst is used in the presence of a basic alkali metal compound or alkaline earth metal...
4223138 Process for the selective preparation of monohydroxyalkylated amines  
A process for the preparation of an aminoethanol is described wherein an amine is vaporized in a collection vessel and the vapors are caused to pass upwardly through a defined reaction zone into a...
4213901 1-Aza-1,5,9-cyclododecatrienes  
Compounds of the formula ##STR1## and a process for their preparation by reacting azabutadienes with dienes, especially 1,3-butadiene, in the presence of catalysts are described. In the formula I,...
4201725 Secondary amines  
Methylamine derivatives of the formula: ##STR1## and pharmaceutically acceptable acid addition salts thereof, wherein R 1 and R 3 each represent a hydrogen atom or a straight- or branched-chain...
4181624 Aminoalkanols  
The invention provides novel mixtures of at least two aminoalkanols of the formula: ##STR1## wherein R 1 and R 2 each represent a C 1 -21 alkyl and the sum of the carbon atoms in R 1 and R 2 is...
4165338 2-Hydroxy-1,1,2,3,3-pentahydro-perfluoroalkyl derivatives, their production and use  
A compound of the formula: ##STR1## WHEREIN Q is a hydrogen atom, --CH 2 CH(OH)CH 2 Rf or a hydrocarbon residue having a valence corresponding to m which may contain one or more of --O--,...
4148803 Nitrosamine reaction products for controlling the growth of bacteria and fungi  
The product prepared by the process consisting of the steps of (a) reacting a nitroalcohol of the formula ##STR1## where R and R 1 can be hydrogen, methyl, ethyl or hydroxymethyl in about a 1:1...
4146735 Preparation of α,β-unsaturated carboxylic acids via Mannich intermediates  
A process for the preparation of a α,β-unsaturated carboxylic acid by reacting formaldehyde, another aldehyde and a mineral acid salt of a secondary amine to form an intermediate Mannich base...
4144320 Aminoalcohols  
Aminoalcohol compounds and acid addition salts thereof, useful in the prevention and treatment of dental caries and periodontitis, are disclosed. Methods of preparing said derivatives, orally...
4140798 Method of inhibiting microorganisms  
A method of inhibiting microorganisms by the application of a compound formed by the condensation of dimethylamine and epichlorohydrin in about equimolar proportions. A high molecular weight...
RE29829 Insect repellent compositions and process having an N-substituted hydroxyalkyl amine as an active ingredient  
Lower hydroxyalkyl amines in which at least one of the amino hydrogens is replaced by an acyclic monoterpenyl radical or hydrogenated acyclic monoterpenyl radical are useful repellents for insect...
4115588 Antibacterial novel soft n-chloroamino alcohol derivatives  
There is provided, a novel class of compounds exhibiting antibacterial activity and having the formula: ##STR1## wherein X and Y each represent a member which may be the same or different selected...
4101470 Urethane catalysts  
Covers compound of the formula: ##STR1## where R is lower alkyl, R 1 is selected from the group consisting of hydrogen, alkyl, aryl, substituted aryl, alkaryl, substituted alkaryl, aralkyl, and...
4089977 Polymeric anti-microbial agent  
A polymeric quaternary ammonium compound, or a mixture of polymeric quaternary ammonium compounds, having the formula Z[CH 2 CHOHCH 2 -N ♁ (CH 3 ) 2 ] n CH 2 CHOHCH 2 --Z + nX - , wherein Z...
4083872 N-2,3-Dihydroxypropyl-N-2-hydroxyalkyl-amine and its salts  
There are prepared compounds of the formulae ##STR1## where R and R 1 are saturated alkyl groups in which the sum of the carbon atoms in the two alkyl groups is 4 to 30 carbon atoms and wherein...
4082804 Process for preparing 2-amino-1-butanol by reaction of the tartarate with an alkaline earth metal compound  
A process for preparing 2-amino-1-butanol by reacting L-tartarate of 2-amino-1-butanol with an aqueous slurry alkaline earth metal compound in such a way that some L-tartarate of 2-amino-1-butanol...
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...
4074013 Corrodible iron-containing surfaces carrying corrosion-inhibiting coating  
Corrodible iron-containing metals (including steel) possess decreased tendency to corrode when contacted with aqueous media (including dilute strong mineral acids) when they carry a surface coating...
4072714 Hydrogenation of acetylene alcohols  
An improved catalyst for the complete hydrogenation of acetylenically unsaturated alcohols and based on nickel, copper and manganese. The catalyst is used without a support and molybdenum is...
Matches 151 - 200 out of 433 < 1 2 3 4 5 6 7 8 9 >