Patents in Class 568/618

Matches 1 - 50 out of 304

1 2 3 4 5 6 7 >

Match	Document	Document Title
1	7576244	Compounds and compositions for use as foaming or frothing agents in ore and coal flotation Compounds of formula (I) wherein R 1 and R 2 are each independently C 1 -C 2 alkyl, and m is 1, 2, 3, 4, or 5 and compositions of formula (II) wherein R 1 and R 2 are each independently C 1 -C...
2	7560599	Method for preparing polymethoxymethylal This invention describes a method for preparing polymethoxymethylal. By this method, polymethoxymethylal is prepared by a catalytic reaction using methanol and trioxymethylene as reactants and...
3	7482495	Process for making alkylene glycol ether compositions useful for metal recovery A process for making an alkylene glycol ether composition is disclosed. In one aspect, the process comprises reacting propylene glycol methyl ether (PM) with from 1.5 to 3 equivalents of propylene...
4	7473677	High productivity process for alkylphenol ethoxylates The present invention provides a process for the production of an alkylphenol ethoxylate involving charging a portion of product from a previous preparation (a “heel”) or an ethoxylate to a...
5	7470823	Polyethers and their use as carrier oils The present invention relates to polyethers which are obtainable from 1 -butene oxide and an alcohol using a double metal cyanide compound as a catalyst and have a content of unsaturated components...
6	7435857	Method for producing pure α-alkoxy-Ω-hydroxy-polyalkylene glycols The invention relates to a method for producing pure alpha-alkoxy-Ω-hydroxy-polyalkylene glycols, creating small impurities of the product on high-molecular a-Ω-di-hydroxy-polyalkylene glycols....
7	7402644	Production processes for alkylene oxide addition product and its derivatives The present invention provides: a production process for an alkylene oxide addition product, by which a high-molecular alkylene oxide addition product can be obtained with ordinary production...
8	7348460	Method for producing alkanol alkoxylates at optimal reaction temperatures The present invention relates to a process for preparing at least one alkoxylate, which comprises bringing at least one alkylene oxide selected from the group consisting of ethylene oxide,...
9	7342140	Method for the production of polyetherols The present invention relates to a process for preparing a polyetherol which comprises reacting at least one alkylene oxide with at least one starter compound in the presence of a catalyst of the...
10	7323605	Double metal cyanide-catalyzed, low unsaturation polyethers from boron-containing starters The present invention provides a process for the double metal cyanide (DMC)-catalyzed production of low unsaturation polyethers from boron-containing starters. The polyethers produced by the...
11	7312364	Equilibrium reaction and gas/liquid reaction in a loop reactor The invention relates to a process for simultaneously performing two chemically successive reactions in a loop reactor, specifically reaction I) an optionally catalyzed equilibrium reaction between...
12	7312363	Method for activating double metallocyanide-compounds The present invention relates to a process for reacting epoxides with an initiator compound in the presence of a double metal cyanide compound as a catalyst, said process having a shortened...
13	7268259	Random fatty alcohol alkoxylates with low temperature stability, and methods of producing and using the same Random fatty alcohol alkoxylates with low temperature stability which are polymerization products of fatty alcohols, ethylene oxide and propylene oxide, according to the general formula (I): ...
14	7256317	Process for the preparation of surfactant alcohols and surfactant alcohol ethers, the prepared products and their use The invention describes a process for the preparation of novel surfactant alcohols and surfactant alcohol ethers by derivatization of olefins having from about 10 to 20 carbon atoms or of mixtures...
15	7241926	Method for producing polyether alcohols A process for preparing polyether alcohols by addition of alkylene oxides onto H-functional starter substances in the presence of multimetal cyanide catalysts, wherein the multimetal cyanide...
16	7226988	Method of forming polyetherols in the presence of carboxy-modified aluminum-based catalysts A polyether polyol is formed by a method utilizing a carboxy-modified aluminum-based catalyst. The method includes providing an alkylene oxide, providing an initiator molecule having at least one...
17	7223803	Polyethylene (glycol) derivatives with proximal reactive groups An activated, substantially water soluble poly(ethylene glycol) is provided having of a linear or branched poly(ethylene glycol) backbone and at least one terminus linked to the backbone through a...
18	7199193	Polyethylene glycol compounds and process of making A process for making substituted polyethylene glycol compound. The compound has the formula RO(C2H40)nH wherein R represents a C1–7 hydrocarbon group and n represents the average number of moles...
19	7119236	Method of preparing alkoxylation catalysts and their use in alkoxylation processes A process for preparing an alkoxylation catalyst suitable for alkoxylating compounds that includes mixing a calcium-containing compound in a dispersing medium having a boiling point less that 160°...
20	7105706	Process for the preparation of an alkoxylated alcohol composition Process for the preparation of an alkoxylated alcohol composition comprising one or more alkoxylated alcohols wherein the process comprises the steps of: (a) reacting carbon monoxide with...
21	7094933	Method for producing tetrahydrofurane copolymers The present invention provides a process for one-stage preparation of polyoxyalkylene glycols by copolymerizing tetrahydrofuran and alpha,omega-diols in the presence of a heteropolyacid and of a...
22	7074969	Process for preparation of polytrimethylene ether glycols There is disclosed a process for preparing polytrimethylene ether glycol by acid catalyzed polycondensation, neutralization and contact with filter aid. The process avoids hydrolysis and yet...
23	7053250	Method of preparing a polyether polyol An improved method for synthesizing a double metal cyanide (DMC) catalyst combines and sonicates aqueous and non-aqueous solutions of a first metal salt, such as Zn(OAc) 2 , of a second metal salt,...
24	7015364	Process for preparing polyether polyols A process for preparing polyether polyols includes a precipitation step, a recrystallization step, and a reaction step. In the precipitation step, a multimetal cyanide compound is precipitated by...
25	7012164	Method for continuously producing a polyether A method for precisely producing a polyether having a relatively high molecular weight by means of a double metal cyanide complex catalyst is provided. A method for continuously producing a...
26	6977236	Preparation of a double metal cyanide catalyst The present invention relates to a process for the preparation of a double metal cyanide (DMC) catalyst, which process involves: (a) combining an aqueous solution of metal salt with an...
27	6956018	Polyoxyalkylene monoalkyl ether, process for producing the same, polymerizable polyoxyalkylene monoalkyl ether derivative, polymer of said derivative and dispersant comprising said polymer A polymerizable polyoxyalkylene monoalkyl ether derivative prepared by using a polyoxyalklene monoalkyl ether which gives, in gel permeation chromatography, a chromatogram which satisfies a...
28	6936576	Refrigerating machine oil, and fluid composition for refrigerating machine A refrigerating machine oil for a carbon dioxide refrigerant according to the invention is a refrigerating machine oil comprising polyalkylene glycol represented by the following general formula...
29	6878661	Bimetallic-cyanide catalysts used for preparing polyether polyols The invention relates to novel double metal cyanide (DMC) catalysts for the preparation of polyether polyols by polyaddition of alkylene oxides to starter compounds containing active hydrogen...
30	6858580	Mixtures of drug-oligomer conjugates comprising polyalkylene glycol, uses thereof, and methods of making same A non-polydispersed mixture of conjugates in which each conjugate in the mixture comprises a drug coupled to an oligomer that includes a polyalkylene glycol moiety is disclosed. The mixture may...
31	6822124	Method for producing alcoxylated carbonyl compounds by an anodic oxidation method using a cathodic coupled reaction for organic synthesis A method for producing alcoxylated carbonyl compounds of general formula (I) (compounds I): R 1 a R 2 C(OR 3 ) b wherein R 1 , R 2 represent hydrogen or C 1 -C 6 -alkyl, R 3 independently means...
32	6812367	Polyethylene glycol and process for producing the same Polyethylene glycol for use in fields with application to a living body wherein the sum of the contents of ethylene glycol and diethylene glycol in the polyethylene glycol is less than or equal to...
33	6765116	Process of preparing a fluid rare earth alkoxylation catalyst A process to prepare an improved fluid rare earth phosphate catalyst composition useful in preparing alkylene oxide adducts of organic compounds having active hydrogen atoms is provided. The...
34	6762325	Method for production of alkoxylated compound When the reaction solution formed during the addition of an alkylene oxide to an active hydrogen-containing compound has viscosity of not less than 10 mPa·s, this invention provides a method for...
35	6734327	Alkoxylation process using antimony catalyst Novel active catalyst compositions comprising a compound or mixture of compounds represented by the formula SbFX m Y 4−m a complex of such a compound or mixture of such compounds being...
36	6699961	DMC complex catalyst and process for its preparation A process for the preparation of a DMC catalyst useful in the polymerization of alkylene oxides into polyether polyols, which process having the steps of (a combining an aqueous solution of a metal...
37	6642423	Polymerization of ethylene oxide using metal cyanide catalysts Ethoxylations of various initiator compounds are performed in the presence of metal cyanide catalysts. The catalysts surprisingly form a wide variety of polyether products that in most cases...
38	6624321	Process for the preparation of polyether polyols The present invention relates to a process for the preparation of polyether polyols by the reaction of alkylene oxides and compounds containing active hydrogens, in the presence of specific Lewis...
39	6608230	Single-stage method for producing α-hydroxy ethers by oxidizing C&equals C unsaturated compounds with hydroperoxides A single-stage method for producing α-hydroxy ethers by oxidizing olefinic substrates with organic hydroperoxides and opening the resultant oxirane ring by means of monovalent or polyvalent...
40	6593500	Process for alkoxylation with a boron-containing catalyst Disclosed is a process for making alkoxylates of organic compounds. The process requires a) providing an active hydrogen organic compound having 1 to 22 carbon atoms, and b) alkoxylating the...
41	6576799	Process for preparing ether-capped poly(oxyalkylated) alcohol surfactants A process for preparing an ether-capped poly(oxyalkylated) alcohol surfactant which results in the absence of metallic catalyst component residues from the ether-capped poly(oxyalkylated) alcohol...
42	6573411	Process for the preparation of fluoropolyoxyalkylenes having one end group -CH2OH and the other end group containing chlorine A process to obtain fluoropolyoxyalkylenes having the structure: T—O—(CF 2 CF(CF 3 )O) n−1 —(CF(CF 3 )O) m —CF 2 —CH 2 OH (I) wherein: T=C 1 -C 3 perfluoroalkyl containing one Cl...
43	6566563	Method for producing compounds with terminal OH groups A process for making OH-terminated compounds involving: (a) combining at least one CH 2 OH-terminated diol and a titanium-containing catalyst to form a reaction mixture; (b) heating the reaction...
44	6540942	Nonaqueous compositions and additives therefor Nonaqueous compositions comprising at least one product of the reaction between A) a linking agent of formula I R 4 (Y) 3 (I) Wherein each Y group is a halogen atom or one Y group is a halogen...
45	6534685	Liquid mixture consisting of diesel gas oils and oxygenated compounds A liquid mixture is described having a cetane number higher than 40, characterized in that it consists of: a typical diesel gas oil cut having a boiling point ranging from 150 to 380° C. and a...
46	6533830	Polyalkene alcohol-polyalkoxylates and their use in fuels and lubricants Polyalkene alcohol polyalkoxylates R—(CH 2 ) n —(O—A) m —OH, where R is a polyalkene radical derived from C 2 - to C 30 -alkenes and having a number average molecular weight from 300 to...
47	6531636	Synthetic endogenous cannabinoids analogues and uses thereof The present invention relates to a compound of the general formula (I) which is a non-hydrolysable analogue of endogenous cannabinoids, which are found to be more potent therapeutic agents as they...
48	6531443	Alkanolamides Improved modified monoethanolamide composition mixtures are provided which may be represented by the formula Wherein: R is an optionally substituted or unsubstituted, branched or straight chain,...
49	6512146	Process for preparing a dialkyl acetal of a C8 to C30 aldehyde Improved water resistant acetal sizing agents including 1,1-octadecoxyoctadecane are provided along with methods for their synthesis including methods in which C 8 to C 30 alkyl bromides are...
50	6504061	Alkoxylation catalyst and method for producing the same, and method for producing alkylene oxide adduct using the catalyst The present invention provides an alkoxylation solid catalyst with which an alkylene oxide adduct having a narrow adduct distribution can be produced while inhibiting formation of high molecular...

Matches 1 - 50 out of 304

1 2 3 4 5 6 7 >