Patents in Class 558/455

Matches 1 - 50 out of 89

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Match	Document	Document Title
1	6600075	Process for the preparation of tertia&racute y amines from primary amines and nitriles Disclosed is a method for preparing tertiary amine compounds from primary amines and nitrites in the presence of hydrogen gas and a metal catalyst, or metal-containing catalyst composition, at a...
2	6194600	Method of producing aminocyanoacetamide With the present method, a process which can be employed industrially can be used for the first time for the direct production of aminocyanoacetamide. The method is based on the reaction of...
3	5976202	Reaction products of polyolefins with vinyl esters and their use as fuel and lubricant additives Reaction products of polyolefins having predominantly a terminal double bond and a number average molecular weight of from 250 to 10,000, which possess an aliphatic hydrocarbon skeleton which is...
4	5955548	Substituted 3, 3-diamino-2-propenenitriles, their preparation and use Substituted cyanoenamines of the formula I ##STR1## wherein Z, R1, R2 and R3 are defined in the description, compositions thereof and methods for preparing the compounds are disclosed. The...
5	5476960	αaminonitriles derived from reaction of carbonyl compounds and fatty aklyl alkylene diamines An α-aminonitrile compound derived from the reaction, in the presence of a cyanide source of (1) a bisulfite adduct of a carbonyl compound selected from the group consisting of an aldehyde and a ...
6	5374762	α-aminomononitriles containing fatty alkyl C12 to C22 group α-aminonitrile compounds derived from a fatty alkyl alkylene diamine containing two reactible amino functionalities are disclosed which are of the formula ##STR1## where R is C12 -C22 fatty alkyl, ...
7	5374763	α-aminodinitriles containing fatty alkyl C12 to C22 group α-aminonitrile compounds derived from a fatty alkyl alkylene diamine containing two reactible amino functionalities are disclosed which are of the formula ##STR1## where R is C12 -C22 fatty alkyl, ...
8	5334745	Preparation of 3-aminopropionitriles 3-Aminopropionitriles of the general formula I ##STR1## where R1,R2,R3,R4 and R5 independently of one another are each hydrogen, C1 -C20 -alkyl, C1 -C8 -aminoalkyl, C1 -C8 -cyanoalkyl, C3 -C20...
9	5319126	α-aminonitriles derived from fatty alkyl alkylene diamines α-aminonitrile compounds derived from a fatty alkyl alkylene diamine containing two reactible amino functionalities are disclosed.
10	5281361	Bleaching composition Novel cationic nitriles, methods of preparing such nitriles and use thereof as cationic peroxyacid bleach precursor in bleaching (detergent) compositions are disclosed.The novel cationic nitriles...
11	5236616	Bleaching composition Bleaching compositions are disclosed comprising a peroxide bleaching agent and a novel cationic peroxyacid bleach precursor having at least one of the following groups (A) and (B) : ##STR1##...
12	5237088	Transfer hydrogenation of nitriles using amine donors A process for transfer hydrogenation of nitriles and amines wherein the amines are the hydrogen donors is disclosed.
13	5187301	Preparation of iminodiacetonitrile from glycolonitrile A process for producing iminodiacetonitrile (IDAN) from glycolonitrile and ammonia or its salt is disclosed. In the batch process, pH is controlled with the addition of ammonia or suitable acids....
14	4978770	Quaternary ammonium salts of dicyano substituted teriary alkylene diamines as bleach activators A bleaching composition comprises (a) a peroxide and (b) an organic peracid precursor having at least one group selected from (b-1) and (b-2) and then further comprises a detergent component(s)....
15	4967006	Coproduction of propanediamine and alkylated aminopropylamines This invention relates to a process for the coproduction of propanediamines and alkylated aminopropanediamines. The process contemplates an initial cyanoethylation of ammonia under conditions for...
16	4841092	Preparation of tris(2-cyanoethyl)amine A process for the production of tris(2-cyanoethyl)amine from acrylonitrile by reacting acrylonitrile with an ammonium salt dissolved in water at a pH of less than 7.
17	4751298	Production of 1-(3-hydroxy-propyl)-1,4-diazepane and 1,4-bis(3,4,5-trimethoxy-benzoyloxy)-propyl-diazepane derivatives thereof There is disclosed a process for the production of 1,4-bis-[3-(3,4,5-trimethoxybenzyloxy)-propyl]-diazepane which consists of first reacting 3-aminopropanol with acrylonitrile and subsequently...
18	4560756	2-Aminopyrazines and the preparation of 2-aminopyrazines and pyrazines Novel 2-aminopyrazines and processes for the preparation of 2-aminopyrazines and pyrazines by reaction of an α-iminodiacetonitrile (a) with a hydrogen halide or (b) with an alcohol or a ...
19	4552705	Method of making tri-(β-cyanoethyl)amine Disclosed is the liquid phase reaction of the acrylonitrile with ammonia in the presence of a large amount of a polar solvent having a high dielectric constant.
20	4543215	α-iminodiacetonitriles and their preparation Novel α-iminodiacetonitriles are prepared by a process in which an aldehyde-cyanohydrin or a haloacetonitrile is reacted with an aminonitrile, the reaction being carried out in the presence of a ...
21	4485049	Two-stage crystallization of nitrilotriacetonitrile from a hot solution A process is disclosed for producing crystalline nitrilotriacetonitrile from a solution of nitrilotriacetonitrile and water in excess of 95° C., comprising: a. cooling the ...
22	4478759	Preparation of aminoitriles Aminonitriles are prepared by reacting a nitrogen compound with formaldehyde and hydrogen cyanide in the presence of an additional acid at a pH below 2 and at from 10° to 70° C., the c...
23	4404167	Protecting steel and ferrous metals against H2 S corrosion An antifoaming inhibitor of hydrogen sulphide corrosion which is a compound of the general formula: ##STR1## where R is a divalent normal or branched alkyl containing from 1 to 6 carbon atoms, n=1...
24	4271089	Cyanoalkylation process In a cyanoalkylation process involving the reaction of a cyanoalkene compound such as acrylonitrile with a compound containing a labile hydrogen such as ethylene glycol, to form a cyanoalkylated...
25	4271088	High selectivity cyanoalkylation process In a cyanoalkylation process involving the reaction of a cyanoalkene compound such as acrylonitrile with a compound containing a labile hydrogen such as ethylene glycol, to form a cyanoalkylated...
26	4260556	Process for preparing nitrogen-containing compounds from 2-pentenenitrile A process is provided for preparing non-aromatic, nitrogen-containing compounds represented structurally as: ##STR1## wherein R is CN or CH2 NH2, and R1 and R2 are hydrogen or C2 H5 --CH--CH2 R...
27	4211725	Nitrogen containing compositions Novel nitrogen containing compounds are provided which are represented structurally as ##STR1## wherein R is CN or CH2 NH2, and R1 and R2 are hydrogen or C2 H5 --CH--CH2 R wherein R is as...
28	4201854	Curable epoxide resin mixtures Curable mixtures of polyepoxide compounds which contain an amine curing agent have longer curing times, and thus, in particular, good workability when used as adhesives, when...
29	4195034	Process for the manufacture of N-(substituted)-3-aminoacrylonitriles A process for the manufacture of N-(substituted)-3-aminoacrylonitriles of the formula N--(R1 R2)--CHCH--CN where R1 is alkyl, phenyl, phenyl substituted with alkyl and/or --NH2 groups, or -...
30	4156096	Process for recovering dissolved iminodiacetonitrile from effluent liquors A process for recovering iminodiacetonitrile (IDAN) values from an aqueous IDAN solution comprising: (a) extracting the aqueous IDAN solution with methylene chloride to dissolve a portion of IDAN...
31	4113435	Cryogenically controlled direct fluorination apparatus An apparatus and process useful in direct fluorination of a variety of compositions, as well as the fluorinated compositions themselves. The apparatus comprises a cryogenic zone reactor, such as a...
32	T972001	Novel UV absorbing compounds and photographic elements containing UV absorbing compounds 1-Amino-4-cyano-1,3-butadiene compounds of the formula ##STR1## WHEREIN N IS 1 OR 2; WHEN N IS 1, R1 and R2 are the same or different and represent hydrogen, alkyl including substituted alkyl, aryl...
33	4055586	Process for the manufacture of bis-(2-cyanoethyl)-amine A process for the manufacture of bis-(2-cyanoethyl)-amine wherein gaseous ammonia is reacted with acrylonitrile having a 5-15% by weight water content in a bubble column reactor. The reaction is...
34	4052332	Catalyst regeneration with impregnation of bismuth and molybdenum Process for regenerating a spent catalyst, which catalyst contains potassium, cobalt, nickel, iron, bismuth, phosphorus and molybdenum and sufficient oxygen to satisfy the valence of the other...
35	4039527	Unsymmetrical azonitriles Unsymmetrical azonitriles of the formula, ##STR1## wherein R1, R2, R3 and R4 are independently straight- or branched-chain alkyl having 1 to 7 carbon atoms or alkoxy substituted straight- or...
36	4017533	Diaminomaleonitrile derivatives and processes for preparing the same N-α-Cyanoalkyl compounds of diaminomaleonitrile represented by the formula (I) ##STR1## wherein R represents a straight or branched chain alkyl group having 1 to 4 carbon atoms or a phenyl group ...
37	4001207	Tertiary-aliphatic amidazo compounds Amidazo compounds, (R")3 C--N=N--C(=O)--N(R3)(R4), where (R")3 C-- is t-alkyl or t-aralkyl, such as t-butylazoformamide, which are useful as polyester resin curing agents and the like.
38	3987077	Composition useful for reducing the caking tendency of particulate sodium chloride An aqueous solution is prepared by: (a) admixing nitrilotriacetonitrile and aqueous hydrochloric acid to form a first mixture; (b) reacting the nitrilotriacetonitrile and the hydrochloric acid...
39	3984451	Method for preparing hydrazo-bis-acetonitriles This invention relates to a method for preparing hydrazo-bis-acetonitriles of the general formula: ##EQU1## wherein R1 and R2 have the same meaning hereinafter given, which comprises: A. i....
40	3959343	Process for producing hydrazonitriles A ketazine is reacted with hydrogen cyanide in the presence of at least one salt of a metal selected from the group consisting of zinc, tin, iron, copper, aluminum, antimony, tellurium and bismuth,...
41	3931143	Unsymmetrical aliphatic monoazo compounds Unsymmetrical azo compounds: ##EQU1## where (R")3 C-- is tertiary-aliphatic and Z is cyano or a derivative thereof, e.g., 2-t-butylazo-2-cyanopropane; processes for preparing such azo compounds by...
42	3928410	Process for the production of hydrozonitriles Hydrazonitriles are produced by reacting a metal cyanide with an azine or with hydrazine and a ketone or aldehyde, in the presence of a stoichiometric excess of formic, acetic or propionic acid.
43	3925374	Aminodicyano alkene compounds Described herein are novel aminodicyano alkenes of the formula ##EQU1## HAVING FROM 8 TO 26 CARBON ATOMS PER MOLECULE, WHEREIN EACH R is individually selected from the group consisting of hydrogen,...
44	3914280	Process for producing β-aminopropionitrile β-Aminopropionitrile is produced by introducing acylonitrile into an equilibrium reaction mixture of imino-β-β'-propionitrile and excess ammonia.
45	3761522	CONTROLLED MOLECULAR WEIGHT AZIRIDINE POLYMERS Novel branched polyalkylenepolyamine compounds having a molecular weight of from about 300 to about 3,000 are prepared by reacting an aziridine with a compound having one or more primary and/or...
46	3532735	PREPARATION OF METHYLENEBISIMINODIACETONITRILE
47	3522620	WINDSHIELD WIPER BLADE
48	3510521	BRANCHED FATTY TETRAAMINES AND ALKYL AND ALKOXY DERIVATIVES THEREOF
49	3499927	GUANIDINO DERIVATIVES OF POLYALKYLENE POLYAMINES
50	3660460	PROCESS FOR PREPARING N N-BIS-CYANOETHYLATED DERIVATIVES OF ALIPHATIC PRIMARY AMINE BRANCHED AT THE ALPHA-POSITION

Matches 1 - 50 out of 89

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