Patents in Class 564/397

Matches 51 - 100 out of 114

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Match	Document	Document Title
51	4621158	Method for making amines A method for making amines by reacting alcohols and/or aldehydes with primary and/or secondary amines or with ammonia in the presence of a catalyst at elevated temperature, and optionally at...
52	4539403	Process for the preparation of a 2-alkyl-4-amino-5-aminomethylpyrimidine There is disclosed a process for the preparation of a 2-alkyl-4-amino-5-aminomethylpyrimidine, which comprises subjecting a 2-alkyl-4-amino-5-formylpyrimidine to catalytic reaction with hydrogen...
53	4536577	Process for preparing 2-alkyl-4-amino-5-aminomethylpyrimidine Disclosed is a process for preparing 2-alkyl-4-amino-5-aminomethylpyrimidine comprising (i) a first step of reacting 2-alkyl-4-amino-5-formylpyrimidine with ammonia in an inert solvent in the...
54	4506039	Process for the production of polymer-containing aromatic polyether polyamines Polymer-containing polyether polyamines containing terminal aromatically-bound amino groups are produced by in situ polymerization of a polyether polyamine with an olefinically unsaturated monomer....
55	4434299	Production of aromatic amines using crystalline silicate catalysts A process for the preparation of aniline by reaction of alicyclic alcohols or ketones with ammonia in the presence of a crystalline silicate catalyst having the structure of ZSM-5. Especially...
56	4429157	Process for the preparation of primary mono- and diamines from oxo compounds Primary amines and/or diamines can be prepared from oxo compounds, optionally containing additional reducible groups, by a process comprising: (1) reacting the oxo compound with ammonia in the...
57	4304939	Preparation of N-phenyl-N-alkylphenylenediamines The desired compounds, namely, N-phenyl-N'-alkylphenylenediamines, are prepared by the reductive alkylation of a nitrogen-containing diphenylamine and a ketone in the presence of hydrogen and a...
58	4299984	Benzo-bicyclononene-derivatives The present invention relates to novel biologically active tricyclic compounds of the general formula: ##STR1## and salts thereof, in which R 1 and R 2 stand for hydrogen, alkyl or alkenyl, an...
59	4206149	Amine process using copper-rhenium catalyst Amines are produced by reacting alcohols, aldehydes or ketones with ammonia, primary or secondary amines in the presence of a catalyst having improved selectivity and stability and which comprises...
60	4206150	Amine process using copper-molybdenum/tungsten catalyst Amines are produced by reacting alcohols, aldehydes or ketones with ammonia, primary or secondary amines in the presence of a catalyst having improved selectivity and stability and which comprises...
61	4196142	2-Chloro-n-isopropyl-3,5-disubstituted or 3,4,5-trisubstitutes lower alkyl acetanilides as herbicidal agents There are provided the compounds: 2-chloro-N-isopropyl-3',5'-dimethylacetanilide, 2-chloro-N-isopropyl-3',5'-diethylacetanilide, 2-chloro-N-isopropyl-3'-ethyl-5'-methylacetanilide,...
62	4188341	Process for the production of (substituted) 2,6-dimethylanilines Aniline derivatives of the formula ##STR1## wherein R is hydrogen, C 1 -C 4 -alkyl or C 1 -C 4 -alkyl substituted by C 1 -C 2 -alkoxy are produced by reacting a N-(3-pent-2-enyl)-derivative...
63	4163063	Aminotetralin adrenergic β-agonists Smooth muscle tissue relaxation is produced in mammals by internal administration of a compound of the formula: ##STR1## wherein R is alkyl having 1 to 6 carbon atoms, the novel compound...
64	4140718	Preparation of N,N'-dialkylphenylenediamines N,N'-dialkylphenylenediamines are prepared by the reductive alkylation of a nitroaniline and a ketone in the presence of hydrogen and a hydrogenation catalyst. The desired product may be obtained...
65	4138437	Process for the preparation of tertiary aliphatic amines A process for the preparation of tertiary aliphatic amines containing an alkyl or alkenyl radical having 8 to 24 carbon atoms and at least one methyl group by reacting a liquid alcohol or aldehyde...
66	4132737	Trifluoromethyl substituted 1-aminoindanes 4(5 or 6 or 7)-Trifluoromethyl-1-aminoindanes, useful as inhibitors of N-methyl transferase.
67	4131622	Purification of N,N'-disubstituted p-phenylenediamine antiozonants and oil stabilizers Process for purifying N,N'-disubstituted p-phenylenediamine antiozonants and oil stabilizers utilizes a steam-distillation step to remove Schiff's base derivatives of p-phenylenediamine and...
68	4122089	Aminothiofluoran compounds, process for the production thereof, and recording elements containing the same A compound capable of forming a color on contact with an electron accepting compound and useful as a chromogenic material for recording members represented by the general formula (I) ##STR1##...
69	4078001	N-1,3-dimethylbutyl-N'-1,4-dimethylpentyl-p-phenylenediamine N-1,3-Dimethylbutyl-N'-1,4-dimethylpentyl-p-phenylenediamine useful for the preservation of rubber.
70	4064271	Emetic tetralones and the use thereof for inducing regurgitation 5,6-Dialkoxy-2-tetralones (I) are disclosed as useful intermediates in the synthesis of 2-amino-5,6-dialkoxytetralins (III) and 2-amino-5,6-dihydroxytetralins (IV). Compounds of the groups III and...
71	4041079	Bicyclic compounds Novel bicyclic compounds of the general formula: ##STR1## wherein Y stands for --O-- or a methylene group, Z stands for hydrogen or an alkyl group having 1 to 6 carbon atoms and R stands for...
72	3929855	N-1,3-Dimethylbutyl-N'-1,4-dimethylpentyl-p-phenylenediamine antiozonants N-1,3-Dimethylbutyl-N'-1,4-dimethylpentyl-p-phenylenediamine useful for the preservation of rubber.
73	3635842	SHORT LIFE PAPER SIZE FROM MODIFIED POLYALKYLENE-IMINES Unique water-soluble polymers are prepared by reacting a polyalkylenepolyamine or a polyalkylenimine with an epoxide or an activated aziridine; the epoxide and aziridine rings are each connected to...
74	3542691	ONE-STEP PROCESS FOR PREPARING A LIQUID N - ALKYL - N' - PHENYL - PARA - PHENYLENEDIAMINE SYSTEM
75	3538162	REDUCTIVE ALKYLATION OF AROMATIC AMINO AND NITRO COMPOUNDS UTILIZING BASE METAL SELENIDES AND TELLURIDES AS CATALYSTS
76	3534055	CERTAIN SUBSTITUTED 1-AMINO-1,2,3,4-TETRAHYDRO NAPHTHALENES AND PHARMACEUTICALLY ACCEPTABLE SALTS THEREOF
77	3509213	COBALT SULFIDE AND RHENIUM SULFIDE AS CATALYSTS FOR REDUCTIVE ALKYLATION OF AROMATIC AMINO AND NITRO COMPOUNDS
78	3504032	N - ISOBUTYL - N' - SEC - (OCTYL OR NONYL)-PHENYLENEDIAMINES
79	3457313	METHOD FOR THE PREPARATION OF N,N-DIMETHYLOL AMINOALCOHOLS AND N,N-DIMETHYL AMINOALCOHOLS
80	3448153	METHOD FOR THE PREPARATION OF 2-AMINO-1-ALKANOLS
81	3413348	4-phenylbicyclo[2.2.2.]oct-2-ene-1-amine and salts thereof
82	3412174	Hydrogenation process employing a transition metal catalyst
83	3387021	Amino hydroxyethyl cyclobutanes
84	3382296	Color indicators for determining degree of cure of polyester resins
85	3366684	Reductive alkylation catalyst
86	3366687	Process for preparing primary and secondary amines
87	3358027	Dibenzazulenes
88	3351609	Aryl-beta-hydroxyethyl ethers as antiozonants
89	3350450	Process of preparing aromatic amines by the catalytic hydrogenation of aromatic nitro compounds
90	3322520	Gasoline inhibitor
91	3291828	6-amino-6, 7-dihydro-5h-dibenzo [a, c] cycloheptenes
92	3290376	Nu-phenyl-nu'-sec-alkyl-ortho-phenylenediamines
93	3283006	N-alicyclicmethyl phenylenediamines
94	3271452	4-alkoxy-4'-secondary-alkylaminodiphenyl-amines
95	3208967	Use of substituted phenylenediaminealkyl halide condensation products of antiozone agents in rubber
96	3189650	N, n'-bis-(1, 3-dimethyl-3-methoxylbutyl)-p-phenylenediamine
97	3156725	Substituted 2-phenoxy and phenylthio-cyclopropylamines
98	3092662	Process for the continuous production of nu-isopropyl-nu'-phenyl-p-phenylene diamine
99	3074907	Preservation of rubber with alkoxyphenyl alicyclic amines
100	3019211	Use of phenylene di-tertiary amines in rubber

Matches 51 - 100 out of 114

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