Patents in Class 564/475

Matches 1 - 50 out of 240

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Match	Document	Document Title
1	7550631	Modified alkoxylated polyol compounds Uses of a modified polyol compound having alkoxylation and having at least one anionic capping unit.
2	7465835	Synthesis of amines using molecular sieve SSZ-75 The present invention relates to new crystalline molecular sieve SSZ-75 having STI topology prepared using a tetramethylene-1,4-bis-(N-methylpyrrolidinium) dication as a structure-directing agent,...
3	7323600	Process for improving the conversion of oxazolidones to alkanolamines There is provided a regeneration process for converting oxazolidones such as hydroxypropyloxazolidone (HPOZD) to alkanolamines such as di-isopropanolamine (DIPA) and CO 2 . An amine stream...
4	7279602	Method for separating triethanolamin from a mixture obtainable by ammonia and ethylene oxide reaction Process for separating triethanolamine continuously by distillation from a mixture of monoethanolamine, diethanolamine and triethanolamine together with ethanolamine ethers and water obtained by...
5	7189879	Process for the production of 1-hydroxymethyl-1,3,5-triazapentane, trihydrochloride A new process for the production of 1-hydroxymethyl-1,3,5-triazapentane, trihydrochloride is described.
6	7164044	Process for producing high purity trialkanolamine A process for producing a high purity trialkanolamine excelling in hue and having an APHA of not more than 40, characterizing by including producing a mixed alkanolamine by the reaction of an...
7	7122684	Process for preparing 1,2-diamino compounds The invention provides a multi-step process for preparing 1,2-diamino compounds of formula wherein R 1 , R 1′ , R 2 , R 2′ , R 3 and R 4 have the meaning given in the specification and...
8	7119231	Method for producing alkanolamines At least one alkanolamine is prepared by reacting ammonia with alkylene oxide in a reaction space in the presence of a catalyst to give monoalkanolamine or dialkanolamine or trialkanolamine or a...
9	6909018	Preparation of polyalkeneamines Polyalkeneamines of the formula (I) where R 1 , R 2 , R 3 , R 4 , R 5 and R 6 may have different meanings, are prepared by a process in which a polyalkene epoxide is reacted with an amine...
10	6846959	Process for producing alkanolamines A process for producing an alkanolamine includes supplying a reactive distillation apparatus having an inner contacting surface which simultaneously facilitates a reaction process and a...
11	6746623	Alkyl glycidyl ether-capped diamine foam controlling agent The present invention pertains to a method for controlling the foaming of a waterborne composition or in an industrial process utilizing a waterborne composition by the incorporation of a foam...
12	6727389	Cyclic organo-oxide storage vent scrubbing A method for processing at least one cyclic organo-oxide using a closed loop scrubber/holding tank system that contains at least one amine, and circulating the amine through the closed loop while...
13	6723880	Preparation of secondary amines from primary amines A process for producing secondary amines of the formula R 1 R 2 N—A—NH—A—NR 1 R 2 , where R 1 and R 2 are linear or branched C 1-20 -alkyl radicals, optionally substituted with from 1 to...
14	6632968	Method for the production of amines from epoxidized olefins A process for preparing amines comprises reacting an epoxide of the formula (I) where R 1 , R 2 , R 3 and R 4 are each, independently of one another, hydrogen or a linear or branched,...
15	6566556	Method for production of alkanolamine and apparatus therefor A method for producing an alkanolamine from liquid ammonia in the presence of a solid catalyst efficiently with both the cost of equipment and the expense of utility repressed is provided. After...
16	6563003	Process to produce amino alcohol salts The present invention includes a number of novel intermediates such as the (S)-secondary alcohol of formula (VIIIA) X 2 —CH 2 —C*H(OH)—CH 2 —NH—CO—R N (VIIIA) and processes for...
17	6559342	Method of producing alkanolamines and apparatus for producing same In producing alkanolamines by use of a microporous material as a catalyst, the difficulty in industrially performing the production because of the short lifetime of the catalyst is resolved. A...
18	6403834	Method for preparing tris(ether-amine) The invention concerns a method for preparing tris(ether-amines) of formula (I): N[A—O—(B—O) n —R] 3 wherein R, A, B and n are as defined in Claim 1, comprising the reaction, in liquid...
19	6388137	Method of purifying triethanolamine Method of purifying triethanolamine prepared by reacting aqueous ammonia with ethylene oxide in the liquid phase under pressure and at elevated temperature by removing excess ammonia, water and...
20	6388041	Polyoxyethylene derivatives having optionally protected amino group at one end and process for producing the same Disclosed are polyoxyethylene derivatives having different functional groups at both ends of the molecule represented by the following formula (I) and a process for producing the derivatives by...
21	6365708	Polyamines and coating compositions with enhanced resistance to yellowing This invention relates to novel polyamines which are the reaction product of A) at least one nonaromatic diamine containing from 2 to 40 carbon atoms, wherein the amine groups are primary amine...
22	6291714	Continuous process for effecting gas liquid reactions A continuous process for the production of polyadducts of alkylene oxide on a chain initiator with at least one active hydrogen comprises the step of: (a) providing n reaction units constituted by...
23	6222075	Process for the production of N, N, N', N',-tetra-(2-hydroxyethyl)ethylene diamine A process is described for the production of N,N,N',N'-tetra-(2-hydroxyethyl)-ethylene diamine in a solvent, in which ethylene diamine is reacted selectively with ethylene oxide in the absence of...
24	6207121	Composition and process for removal of acid gases Alkanolamines of the formula R--NHCH 2 CH(OH)CH 2 CH 3 (I) or mixtures thereof wherein R is H, --CH 2 CH(OH)CH 2 CH 3 , an alkyl group having from 1 to 6 carbon atoms, an aryl group having...
25	6169207	Process for producing dialkanolamines The invention provides a process for producing dialkanolamines through amination of alkylene oxide with ammonia at liquid phase, in which side formation of trialkanolamines is inhibited and...
26	6140541	Process for preparing polyalkene amines Polyalkeneamines of the formula (I) ##STR1## where R 1 , R 2 , R 3 , R 4 , R 5 and R 6 may have different meanings, are prepared by a process in which a polyalkene epoxide is reacted with an...
27	6060625	Process for the production of etheramine alkoxylates A process for the alkoxylation of a polyetheramine to form an etheramine alkoxylate. In the process, a polyetheramine is reacted with an alkylene oxide in the presence of an alcohol to form the...
28	5994585	Amination process The present invention relates to an amination process for the manufacture of polyamines. The purpose of the process is to increase the selectivity of linear aminated products and to prevent the...
29	5874624	Process for the preparation of a dihydroxyamino compound Disclosed are a process for the preparation of a dihydroxyamino compound in which water and discoloring ingredients are removed while preventing decomposition of a dihydroxyamino compound by...
30	5854312	Aqueous hardeners for epoxy resin systems Described are aqueous emulsions of active amino groups-displaying epoxide adduct hardeners for curing epoxy resin systems, which are obtained by converting an aqueous solution of a conventional...
31	5840995	Precursor for alkoxylation catalysts A precursor for alkoxylation catalysts is prepared by reacting a chelating anionic or nonionic phase transfer catalyst with an alkaline earth metal compound in the presence of a compound which can...
32	5786405	Amine-initiated polyether polyols and a process for their production Clear, amine-initiated polyether polyols are made by epoxidizing an amine in the presence of an alkali metal hydroxide catalyst. After the desired degree of epoxidation has been achieved, a...
33	5672761	Method for reducing the viscosity of high viscosity polyether polyols The viscosity of polyether polyols characterized by functionalities greater than or equal to 1, viscosities greater than 500 mPas at 25° C. and at least 20% terminal secondary hydroxyl groups...
34	5672662	Poly(ethylene glycol) and related polymers monosubstituted with propionic or butanoic acids and functional derivatives thereof for biotechnical applications Active esters of PEG acids and related polymers are provided that have a single propionic or butanoic acid moiety and no other ester linkages. These polymer acids have a half life in water of from...
35	5633408	Process for preparing alkanolamines A process for preparing alkanolamines which comprises steps of reacting ammonia with an alkylene oxide in the presence of a carbonate of ammonia to obtain a crude alkanolamine solution, distilling...
36	5616811	Etheramine alkoxylates Etheramine alkoxylates are described which have the formula: ##STR1## where R 1 is a straight or branched alkyl, aryl or alkylaryl group of 6 to 22 carbon atoms; R 3 are independently hydrogen or...
37	5599999	Process for preparation for alkanolamine, catalyst used in the process and process for preparation of the catalyst A process is provided which comprises using a catalyst comprises a rare earth element supported on an inorganic heat-resisting carrier, when a monoethanolamine is selectively prepared by reacting...
38	5594150	Process for the preparation of a secondary or tertiary hydroxylated amine compound from a primary or secondary amine compound and a product made by the process Process for the preparation of a hydroxylated secondary or tertiary amine compound having a hydroxyl function β to the amine function, according to which a primary or secondary amine compound is...
39	5545757	Production of ethanolamines A process for producing mixtures of mono-, di- and triethanol-amine by reacting ammonia and ethylene oxide in a cooled tubular reactor at temperatures from 110° to 160° C. and pressures from 50...
40	5476969	Highly reactive polyoxyalkylene-polyols containing tertiary amino groups in bonded form, their preparation, and their use for the preparation of polyisocyanate polyaddition products The invention relates to highly reactive polyoxyalkylene-polyols prepared by oxyalkylation of an initiator molecule containing, in bonded form, at least 2 reactive hydrogen atoms and at least one...
41	5430190	Propoxylation and reductive alkylation of diethylenetriamine A one-pot reaction process for the coproduction of two polyurethane catalysts which comprises reacting excess diethylenetriamine (DETA) in a reaction vessel with propylene oxide in the presence of...
42	5395973	Processes for making ethanolamines An improved process for reducing the amount of at least the glycol ether byproducts formed in a process for making unsubstituted ethanolamines from the reaction of ethylene oxide and ammonia or in...
43	5364973	Productive process for making conventional and low-unsaturation polyether polyols A productive process for making conventional and low-unsaturation polyether polyols is disclosed. The process involves continuous removal of allyl alcohol and lower allyl alcohol propoxylates from...
44	5326873	Palladium catalyzed addition of amines to 3,4-epoxy-1-butene A method of forming 4-amino-2-buten-1-ol using 3,4-epoxy-1-butene is disclosed. A nitrogen nucleophile (e.g., an amine) is reacted with 3,4-epoxy-1-butene in the presence of a polymer-bound complex...
45	5210325	Alkoxylation process catalyzed by supported rare earth elements Alkylene oxide adducts of organic compounds having active hydrogen atoms are prepared by a process which comprises contacting and reacting an alkylene oxide reactant comprising one or more vicinal...
46	5183923	Process for preparing primary hydroxyl-containing diols The invention concerns a method for the preparation of polyurethane, polyester, polyamide, and polyurea diols which contain essentially all primary hydroxyl groups without capping by ethylene...
47	5169989	Foam slabstock polyether polyols with improved scorch characteristics An improved process for preparing a polyether polyol of reduced scorching properties comprising buffering of the alkaline polyether polyol before heating to remove water, and the use of said...
48	5166433	Catalyst and the amination of alcohols under hydrogenating conditions Catalysts whose active material contains, in addition to from 20 to 85% by weight, calculated as ZrO 2 , of oxygen-containing zirconium compounds, from 1 to 30% by weight, calculated as CuO, of...
49	5162589	Alkoxylation process catalyzed by sodium- or potassium barium phosphate Alkylene oxide adducts of organic compounds having active hydrogen atoms are prepared by a process which comprises contacting and reacting an alkylene oxide reactant comprising one or more vicinal...
50	5129917	Poly(aminoalcohol) additives to improve the low-temperature properties of distillate fuels and compositions containing same The reaction product of certain epoxy resins and secondary amines improve the low-temperature properties of distillate fuels.

Matches 1 - 50 out of 240

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