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| Number | Title | Issue Date |
| 8172089 | Flotation reagent for minerals containing silicate The invention relates to the use of a compound of formula R—N-[A-NH2]2 (1) wherein R represents a linear or branched alkyl group or alkenyl group having 6 to 20 carbon atoms while A represents a C2 to C | 05/08/2012 |
| 8163784 | Biocidal compositions The present invention relates to biocidal compositions comprising at least one biocidal active substance and at least one solvent from the group of polyglycol monobutyl ethers, and to their use as preservatives and disinfectants. More specifically, the invention pro... | 04/24/2012 |
| 8153567 | Mineral oils which comprise detergent additives and have improved cold flowability The invention provides for the use of at least one oil-soluble polyoxyalkylene compound, this polyoxyalkylene compound being an oil-soluble ester, ether or ether/ester of alkoxylated polyols having at least three repeat alkoxy units derived from alkylene oxid... | 04/10/2012 |
| 8148530 | Process for the preparation of 3.7-diazabicyclo[3.3.1] nonane compounds The present invention relates to a process for the preparation of 3,7-diazabicyclo[3.3.1]nonane compounds. According to the invention, in a first step, a dicarboxylic acid ester is reacted with a pyridine aldehyde and a primary amine. The piperidone which forms is r... | 04/03/2012 |
| 8133852 | Mineral oils with improved conductivity and cold flowability The invention provides compositions comprising at least one alkylphenol resin (constituent I) and, based on the alkylphenol resin, from 0.05 to 10% by weight of at least one salt of an aromatic base and of a sulfonic acid (constituent II). ... | 03/13/2012 |
| 8123930 | Additives for crude oils The invention thus provides crude oils and products which have been produced therefrom and comprise distillation residues, comprising at least one alkylphenol-aldehyde resin having a repeat structural unit of the formula wh... | 02/28/2012 |
| 8101804 | Process for the synthesis of (E)-stilbene derivatives which makes it possible to obtain resveratrol and piceatannol A subject-matter of the present invention is a novel process for the synthesis of (E)-stilbene derivatives targeted at obtaining in particular resveratrol and piceatannol. ... | 01/24/2012 |
| 8101785 | Method for producing fatty acid alkanol amides The invention relates to a method for producing fatty acid alkanol amides by reacting at least one amine that contains at least one primary or secondary amino group and at least one hydroxyl group with at least one fatty acid to form an ammonium salt, said ammonium ... | 01/24/2012 |
| 8093414 | Process for preparing acylglycinates by means of direct oxidation A process is described for preparing acylglycinate salts of the formula (II) in which R1 is a saturated linear or branched alkyl radical having from 1 to 21 carbon atoms or a mono- or polyunsaturated linear or branched alkenyl radical having from 2 to 21 ... | 01/10/2012 |
| 8071814 | Process for preparing polyetheramines The invention provides a process for preparing polyetheramines of the formula (1), R2 (NR1R3)n, in which n is a number from 1 to 20, R2 represents an organic radical that contains between 2 and 600 oxalkylene gr... | 12/06/2011 |
| 8067651 | 1-alkyl-5-oxopyrrolidine-3-carboxylic esters with improved biodegradability The invention provides compounds of the formula 1 in which A is a C2- to C4-alkylene group x is from 1 to 100 R1 is C1-C30-alkyl, C2 | 11/29/2011 |
| 8067635 | Method for producing tertiary amides of alkylphenyl carboxylic acids The invention relates to a method for producing tertiary amides of alkylphenyl carboxylic acids by reacting at least one secondary amine with at least one alkylphenyl carboxylic acid to form an ammonium salt, said ammonium salt being subsequently converted into the ... | 11/29/2011 |
| 8067612 | Method for producing bisbenzoxazoles The invention relates to a method for producing bisbenzoxazoles that are interconnected by means of a system of conjugated double bonds, according to which o-aminophenols are reacted with dicarboxylic acids, the carboxyl groups of which are interconnected via a doub... | 11/29/2011 |
| 8062630 | Surfactant-free cosmetic, dermatological and pharmaceutical agents The invention provides surfactant-free cosmetic, pharmaceutical, and dermatological compositions comprising at least one copolymer obtainable by free-radical copolymerization of A) acryloyldimethyltaurine and/or acryloyldimethyltaurates, B)... | 11/22/2011 |
| 8034748 | Additives for inhibiting the formation of gas hydrates The present invention relates to an additive, and its use for inhibiting nucleation, growth and agglomeration of gas hydrates by adding an effective amount of an inhibitor to a multiphasic mixture which tends to hydrate formation and consists of water, gas and optio... | 10/11/2011 |
| 7977487 | Method for producing N,N-bis(pyridin-2ylmethyl)-1,1-bis(pyridin-2-yl)-1-aminoalkane compounds and metal complex salts containing these compounds The invention relates to a method for producing the compositions cited in the title. According to this method: dipyridyl ketone is reacted with hydroxylamine; the oxime obtained thereby is reduced without intermediate isolation to form 1,1-di-(2-pyridyl)-methylamine... | 07/12/2011 |
| 7943157 | Cosmetic, pharmaceutical and dermatological products The invention provides cosmetic, pharmaceutical and dermatological compositions comprising at least one copolymer obtainable by free-radical copolymerization of A) acryloyldimethyltaurine and/or acryloyldimethyltaurates, B) optionally, one ... | 05/17/2011 |
| 7939484 | Method for reducing the adhesion forces between hard surfaces and subsequently occurring soil A method for reducing the adhesion forces between hard surfaces and subsequently occurring soil is described. The method comprises the step of treating the hard surfaces with a liquid composition comprising special copolymers A. These copolymers A comprise structura... | 05/10/2011 |
| 7893009 | Polymers and their production and use as gas hydrate inhibitors The invention relates to polymers with a mean molecular weight of between 500 and 500,000 g/mol that can be produced as follows: A) reaction of a compound of formula 1, in which n stands for 0, 1 or 2 and A for an arbitrari... | 02/22/2011 |
| 7872061 | Preparation of additive mixtures for mineral oils and mineral oil distillates The present invention provides a continuous process for preparing additive mixtures for mineral oils and mineral oil distillates, comprising A) a cold flow improver for middle distillates, and at least one further component selected from B) and C):... | 01/18/2011 |
| 7868212 | Method for preparing 1,2-propanediol by hydrogenolysis of glycerol The invention relates to a method for preparing 1,2-propanediol by reacting glycerol, which has a purity of at least 95 wt %, with hydrogen at a hydrogen pressure from 20 to 100 bar and a temperature from 180 to 240° C. in the presence of a catalyst, which comprise... | 01/11/2011 |
| 7815698 | Demulsifiers for mixtures of middle distillates with fuel oils of vegetable or animal origin and water The invention provides fuel oils comprising a major proportion of a mixture of A) a middle distillate fuel oil and B) a biofuel oil, and also a minor proportion C) of an oil-soluble, cro... | 10/19/2010 |
| 7815697 | Fuel oils composed of middle distillates and oils of vegetable or animal origin and having improved cold flow properties The invention provides a fuel oil composition comprising a fuel oil of mineral origin and a fuel oil of vegetable and/or animal origin and as a cold additive, the constituents, at least one copolymer composed of ethylene and 8-21 mol % of at least one acrylic and vi... | 10/19/2010 |
| 7815696 | Oxidation-stabilized lubricant additives for highly desulfurized fuel oils The present invention provides an additive for improving the lubricity of fuel oils having a maximum sulfur content of 0.035% by weight. The additive comprises A) at least one partial ester composed of a di- or polyhydric alcohol and unsaturated and opt... | 10/19/2010 |
| 7812200 | Process for preparing 1,2-propanediol by hydrogenolysis of glycerol The invention provides a process for preparing 1,2-propanediol, by reacting glycerol which has a purity of at least 95% by weight with hydrogen at a hydrogen pressure of from 20 to 100 bar and a temperature of from 180 to 240 DEG C. in the presence of a catalyst whi... | 10/12/2010 |
| 7812114 | Block copolymer by reacting alkylene oxide and glycidyl ether in presence of unsaturated monomer Disclosed is a process for preparing copolymer dispersions made of alkylene oxides and glycidyl ethers according to formula (I) in which R1 is hydrogen or a C1-C4-alkyl radical, R2 | 10/12/2010 |
| 7790665 | Highly concentrated, aqueous oligoester and polyester formulations Disclosed are highly concentrated aqueous soil release polyester formulations containing 50 to 90 percent by weight of soil release polyester and 0.1 to 40 percent by weight of a polycarboxylic acid or a polycarboxylate. Adding these highly concentrated polycarboxyl... | 09/07/2010 |
| 7776111 | Mineral oils with improved conductivity and cold flowability The invention provides compositions comprising at least one alkylphenol-aldehyde resin (constituent I) and, based on the alkylphenol resin, from 0.005 to 10% by weight of at least one oil-soluble organic ammonium sulfonate (constituent II). ... | 08/17/2010 |
| 7767769 | Method for the esterification of alcohols with olefinically unsaturated carboxylic acids The invention relates to a method for producing esters from alcohols and olefinically unsaturated carboxylic acids by reacting an alcohol with an olefinically unsaturated carboxylic acid or a reactive derivative thereof, in the presence of between 1 ppm and 1 wt. % ... | 08/03/2010 |
| 7759454 | Process for preparing amides based on polyetheramines and (meth)acrylic acid The invention provides a process for preparing amides from polyetheramines and (meth)acrylic acid or the corresponding anhydrides, the energy source used being microwaves. ... | 07/20/2010 |
| 7713316 | Fuel oils having improved cold flow properties The invention relates to fuel oils comprising a larger proportion of middle distillates having a sulfur content of at most 350 ppm and an aromatics content of at most 22% by weight, and also a smaller proportion of at least one copolymer of ethylene and vinyl esters... | 05/11/2010 |
| 7713315 | Mineral oils with improved conductivity and cold flowability The invention provides mineral oil distillates having a water content of less than 150 ppm and a conductivity of at least 50 pS/m, which comprise from 0.1 to 200 ppm of at least one alkylphenol-aldehyde resin and from 0.1 to 200 ppm of at least one nitrogen-containi... | 05/11/2010 |
| 7709011 | Cosmetic or pharmaceutical preparations comprising an oxalkylated polyglycerol ester Cosmetic or pharmaceutical preparations comprising an oxalkylated polyglycerol ester of the formula (1) in which A is a group of the formula —C2H4— or —C3H6—, B ... | 05/04/2010 |
| 7696385 | Polyetheramine production method The invention relates to a method for producing amines of formula (1), wherein R3 is an organic group containing from 2 to 600 alkoxy groups and R1 and R3 groups are similar or different and... | 04/13/2010 |
| 7696304 | Thermally stable water-soluble polymer which is crosslinkable at high temperatures The invention relates to a copolymer containing: i) 80-90% by weight of one or more structural units of the formula A, where R1 is hydrogen or methyl, R2 is C2-C10-alkylene, and Me+ is an ammonium or an alkali m... | 04/13/2010 |
| 7695634 | Collector for sulfidic ores The present invention relates a flotation reagent for sulfidic ores, containing at least one compound of formula (1), wherein R2, R3, R4, R5, R6 and R7, independent of one another, represent hydrogen ... | 04/13/2010 |
| 7686852 | Monoazo dyes Compounds of the general formula (I) a process for their preparation and their use for dyeing and/or printing organic substrates. ... | 03/30/2010 |
| 7686851 | Concentrated dye solutions The present invention concerns concentrated storage-stable aqueous dye solutions comprising a) 5% to 30% by weight of a dye of the formula where K is a coupling component of the acetoacetanili... | 03/30/2010 |
| 7671098 | Alkoxylated, cross-linked polyglycerols and use thereof as biodegradable demulsifier The invention relates to the use of alkoxylated crosslinked polyglycerols for demulsifying oil/water emulsions in amounts of from 0.0001 to 5% by weight, based on the oil content of the emulsion to be demulsified. The alkoxylated crosslinked polyglycerols of the inv... | 03/02/2010 |
| 7652120 | Modified polyorganosiloxanes, aqueous emulsions thereof, their production and their use Substituted aminopolyorganosiloxanes (SH) containing substituted amino groups which are bonded to silicon atoms of the polysiloxane skeleton via alkylene bridges or mono- or oligo-(alkyleneamino)alkylene bridges, in which the amino groups occurring in the... | 01/26/2010 |
