Class / Patent application number | Description | Number of patent applications / Date published |
554141000 | Catalytic hydrogenation | 21 |
20080214852 | Process for preparing a hydrogenation catalysts - Copper compositions that are useful as hydrogenation catalysts are disclosed. In particular, the copper compounds are catalysts for the selective hydrogenation of oils that contain unsaturated fatty acyl components such as unsaturated vegetable oils. Methods of preparing the copper compositions are also disclosed. Methods of hydrogenating unsaturated compositions that contain at least two sites of unsaturation using the hydrogenation catalysts, along with products obtained from the hydrogenation reactions described herein are also disclosed. | 09-04-2008 |
20100094033 | IDENTIFICATION AND PROCESSING OF SECONDARY MATERIALS FOR THE COSMETICS-, PHARMACEUTICAL-, AND FUEL-PRODUCING INDUSTRIES AND ALSO FURTHER INDUSTRIAL FIELDS OF APPLICATION - A method for producing starting materials or additives for cosmetics, pharmaceuticals and/or hydrocarbon-based fuels, especially for heating systems or internal combustion engines, takes organic residues or waste materials and decontaminates or sterilizes them with a hydrogenation process. In particular, the materials classified as K1, K2 or K3 according to EU Directive 1774/2002 are used for generating or producing the cited starting materials or additives, whereby an adequate decontamination of the residues or waste materials that are classified as being hazardous to health is ensured. | 04-15-2010 |
20100168454 | CATALYTIC HYDROGENATION - Catalytic hydrogenation of a double bond, notably a C═C or C═N double bond, is carried out using a homogenous catalyst which is a complex of rhodium or other transition metal containing at least one ligand which is a nitrogenous organic base. Preferably the complex is phosphorus-free and the ligand is a bicyclic base having formula | 07-01-2010 |
20100234625 | Process for the Manufacture of Saturated Fatty Acid Esters - Disclosed is a process for the manufacture of saturated fatty acid esters by subjecting unsaturated fatty acid esters to hydrogenation in the presence of a catalyst suitable for catalysing the saturation of double bonds in the esters, which is characterised in that said catalyst represents a homogenous complex of a Group VIII metal and a sulfonated phosphite as the polar ionic ligand. | 09-16-2010 |
20120178951 | Apparatus For Continuously Carrying Out Heterogeneously Catalyzed Chemical Reactions At Elevated Temperatures - The invention relates to an apparatus for continuously carrying out heterogeneously catalyzed chemical reactions, comprising a microwave-transparent tube, the longitudinal axis of which extends in the direction of propagation of the microwaves of a single-mode microwave applicator and which is filled with an open-cell foam that carries or is made of catalytically active species. | 07-12-2012 |
20130150600 | HYDROCONVERSION OF RENEWABLE FEEDSTOCKS - A hydrocarbon conversion process comprises contacting a renewable feedstock under hydroprocessing conditions with a bulk catalyst to form oleochemicals such as fatty alcohols, esters, and normal paraffins. Advantageously, the reaction conditions can be selected to directly convert the renewable feedstock to the desired product(s). | 06-13-2013 |
20140256972 | NICKEL HYDROGENATION CATALYST - The invention relates to a catalyst comprising nickel and a solid silica support, to a process for preparing such a catalyst and to a process for the hydrogenation of an unsaturated fatty material. According to the invention there is provided a catalyst comprising nickel on a solid silica support, wherein said catalyst has a specific pore volume of at least 0.4 ml/g and a TPR peak maximum within the range of 360-420° C. | 09-11-2014 |
20140309445 | THERMAL METHODS FOR TREATING A METATHESIS FEEDSTOCK - Various methods are provided for metathesizing a feedstock. In one aspect, a method includes providing a feedstock comprising a natural oil, heating the feedstock to a temperature greater than 100° C. in the absence of oxygen, holding the feedstock at the temperature for a time sufficient to diminish catalyst poisons in the feedstock, and, following the heating and holding, combining a metathesis catalyst with the feedstock under conditions sufficient to metathesize the feedstock. | 10-16-2014 |
20160137580 | PROCESS FOR THE SELECTIVE HYDROGENATION OF VEGETABLE OILS - This invention relates to a process for the selective hydrogenation of vegetable oils. In particular the invention relates to a process for the hydrogenation of vegetable oils which is capable of selectively converting polyunsaturated fatty acids into mono-unsaturated fatty acids and products obtained therefrom. The vegetable oils obtained from the process according to the invention have in particular a high mono-unsaturated fatty acids content and are particularly suitable for use as raw materials for the synthesis of chemical intermediates. | 05-19-2016 |
554142000 | Including esterification or inter-esterification (e.g., prior to, simultaneously with, or after hydrogenation, etc.) | 3 |
20110275844 | Process for Preparing Saturated Branched Chain Fatty Acids - A process for preparing saturated branched chain fatty acids or alkyl esters thereof involving subjecting unsaturated fatty acids having 10 to 25 carbon atoms, alkyl esters thereof or mixtures thereof to a skeletal isomerization reaction in the presence of water or a lower alcohol at a temperature of about 240° C. to about 280° C. using a combination of a stericly hindered Lewis base and zeolite as a Brönsted or Lewis acid catalyst, and isolating saturated branched chain fatty acids or alkyl esters thereof or mixtures thereof from the reaction mixture obtained by the skeletal-isomerization reaction. The yield of said saturated branched chain fatty acids is ≧70 wt %. The stericly hindered Lewis base is a tertiary amine or phosphine with linear or branched C1 to C6 alkyl or phenyl groups attached thereto. | 11-10-2011 |
20120245367 | Process for Producing Ester of Carboxylic Acid from Cellulosic Biomass - The invention discloses a technology for producing ester of carboxylic acid using cellulosic biomass as starting material. This technology comprises the following key steps: converting all of the organic polymers, including such high molecular-weight polymers as carbohydrate components and lignin, in cellulosic biomass into water soluble, small molecular organics completely in relatively short time under relatively mild conditions; separating the resultant water soluble compounds containing aromatic rings by adjusting the acidity/basicity of the reaction solution or by using adsorption resin; and converting the water soluble compounds containing aromatic rings into ester of carboxylic acid by hydrogenation and esterification in a corresponding alcohol solution. | 09-27-2012 |
20130072705 | MANUFACTURE OF HIGH PURITY STEARIN FROM HIGH OLEIC ACID AND LOW PALMITIC ACID SUNFLOWER OIL - This disclosure concerns methods for producing a high purity stearin comprising, for example, providing a sunflower oil comprising no more than about 4% total saturated fat and hydrogenating the sunflower oil. By way of further example, a method for producing a high purity tristearin may comprise providing sunflower oil comprising at least about 88% oleic acid and hydrogenating the sunflower oil. High purity stearin produced by methods, such as the foregoing, are also disclosed. | 03-21-2013 |
554144000 | Plural hydrogenation steps or continuous hydrogenation process | 2 |
20110098494 | METHOD OF HYDROTREATING FEEDS FROM RENEWABLE SOURCES WITH INDIRECT HEATING USING A CATALYST BASED ON NICKEL AND MOLYBDENUM HAVING A PARTICULAR ATOMIC RATIO - The invention describes a method of treating feeds from renewable sources comprising a hydrotreatment stage comprising at least two catalytic zones in which the entry stream comprising said feed mixed with at least a part of a hydrotreated liquid effluent from stage b) is introduced into the first catalytic zone at a temperature comprised between 150 and 260° C., and the effluent from the first catalytic zone is then introduced, mixed with at least a part of a hydrotreated liquid effluent from stage b) and preheated, into the following catalytic zone or zones at a temperature comprised between 260 and 320° C., and a stage of separation of the effluent from the hydrotreatment stage permitting the separation of a gaseous effluent and a hydrotreated liquid effluent of which at least a part is recycled at the top of each catalytic zone, said method using, in at least the catalytic zone or zones following the first, a bulk or supported catalyst comprising an active phase constituted by at least one group VIB element and at least one group VIII element, said elements being in sulphide form and the atomic ratio of the group VIII metal to the group VIB metal being strictly greater than 0 and less than 0.095. | 04-28-2011 |
20190144369 | CONVERSION OF CORN OIL TO UPGRADED BIODIESEL AND POLY(LACTIC ACID) | 05-16-2019 |
554145000 | Selective hydrogenation (e.g., of polyunsaturated to monounsaturated, of acetylenic to ethylenic compound, etc.) | 3 |
20100094034 | Metathesis Methods Involving Hydrogenation and Compositions Relating to Same - Disclosed are improved methods for conducting metathesis utilizing polyunsaturated fatty acid compositions (e.g., polyunsaturated fatty acid polyol esters, polyunsaturated fatty acids, polyunsaturated fatty esters, and mixtures), such as those found in naturally occurring oils and fats, as the starting material. The inventive methods involve hydrogenation of polyunsaturated fatty acid compositions prior to metathesis, thereby providing partially-hydrogenation compositions having a relatively higher amount of monounsaturated fatty acid species. The partially hydrogenated composition can then be subjected to metathesis to provide a metathesis product composition containing industrially useful compounds. | 04-15-2010 |
20140336397 | METHODS FOR THE SYNTHESIS OF 13C LABELED DHA AND USE AS A REFERENCE STANDARD - A method for preparing | 11-13-2014 |
20220135902 | HYDROXY FATTY ACID SYNTHESIS - The invention relates to methods for the synthesis of hydroxy fatty acids from unsaturated fatty acids via epoxidation and catalytic hydrogenation. | 05-05-2022 |
554146000 | Plural heavy metal containing materials utilized | 4 |
20090048459 | METHOD OF MAKING HYDROGENATED METATHESIS PRODUCTS - Disclosed is a method of making hydrogenated metathesis products comprising the steps of: (a) providing a metathesis composition; (b) providing a metathesis catalyst comprising a transition metal; (c) metathesizing at least a portion of the metathesis composition in the presence of the metathesis catalyst to form a first composition comprising one or more metathesis products and a transition metal; (d) hydrogenating at least a portion of the first composition in the presence of a hydrogenation catalyst to form a second composition comprising one or more hydrogenated metathesis products, transition metal, and hydrogenation catalyst; and (e) removing at least a portion of the hydrogenation catalyst from the second composition, wherein the removal of the hydrogenation catalyst removes at least a portion of the transition metal of the metathesis catalyst from the second composition. | 02-19-2009 |
20130079535 | Process For The Hydrogenation Of Fatty Acids Using A Promoted Supported Nickel Catalyst - The invention is directed to a process for the hydrogenation of unsaturated fatty acids to produce saturated fatty acids, said process comprising hydrogenating the unsaturated fatty acid in the presence of hydrogen and a supported nickel catalyst, said supported nickel catalyst comprising an oxidic support, 5 to 80 wt. % of nickel, calculated as metallic nickel on the weight of the catalyst, and 0.1 to 10 wt. % of a manganese promoter, calculated as MnO | 03-28-2013 |
20130109875 | Hydrogenation Of Fatty Acids Using A Promoted Supported Nickel Catalyst | 05-02-2013 |
20140163249 | HYDROCONVERSION OF RENEWABLE FEEDSTOCKS - A hydroconversion process comprises contacting a feedstock comprising renewable materials under hydroprocessing conditions with a promoted catalyst selected from a self-supported catalyst, a supported catalyst and combinations thereof, wherein the reaction conditions can be tailored to directly convert the renewable feedstock to the desired product(s) including fatty alcohols, esters, normal paraffins, or combinations thereof. The catalyst comprising at least a Group VIB metal selected from molybdenum and tungsten, a Group VIII metal selected from cobalt and nickel to convert the feedstock into any of fatty alcohols, esters, and normal paraffins. In some embodiments, the process further comprising additional steps to generate various desirable products, including α-olefins (or PAO, by dehydrating the fatty alcohol products), lubricants and bright stocks (from the oligomerizing of the PAO), and Group 3 lubricants (from co-oligomerizing of the PAO with some short chain olefins). | 06-12-2014 |