RHODIA POLIAMIDA E ESPECIALIDADES LTDA Patent applications |
Patent application number | Title | Published |
20150361281 | SOLVENT SYSTEM AND COMPOSITIONS THEREWITH - The present invention relates to a solvent system characterized by the fact that is comprises one or more dioxolane-derived esters of formula I | 12-17-2015 |
20140235878 | Process for the production of a dioxolane compound from crude glycerol - A process for the production of dioxolane compounds of formula (I): | 08-21-2014 |
20140065092 | Yarns, fibers or filaments, textile article, and medical device obtained from said yarns for skin cicatrization - The subject of the present invention is yarns, fibers or filaments and also a textile article and a medical device obtained from said yarns, for improving skin cicatrization, in particular by activating collagen synthesis at the surface of the injured skin. The yarns, fibers or filaments of the invention comprise a polymeric matrix and inorganic fillers, uniformly dispersed in the polymeric matrix, having properties of absorption and/or of emission in the 2-20 μm far-infrared region. | 03-06-2014 |
20140031271 | Preparations for All-Purpose Cleaning Compositions - Multi-purpose cleaning compositions, in particular multi-purpose aqueous alkaline compositions for cleaning surfaces, and base preparations for this purpose. Such base preparations comprise one or more solvents that are at least partially water-miscible, one or more alkali metal salts of carboxylic acids, and water. Such multi-purpose cleaning compositions comprise at least such base preparation, a surfactant, a basifying agent, and water. | 01-30-2014 |
20140018468 | FOUNDRY BINDER SYSTEMS - The present invention relates to foundry binder systems forming a curable polyurethane with a catalytically effective amount of a curing catalyst, comprising at least one phenolic resin component comprising at least: a phenolic resin and a solvent of triacetin type and a polyisocyanate component. The invention also relates to foundry mixtures prepared from the binder and an aggregate, to foundry forms such as cores and molds prepared via the no-bake or cold-box processes, and also to the respective processes. The foundry forms obtained by the present invention are especially used for manufacturing metallic components, especially for the casting of metallic components. | 01-16-2014 |
20130316024 | COSMETIC KIT AND USE FOR IMPROVING THE APPEARANCE OF THE SKIN - A cosmetic kit and the use thereof for improving the appearance of the skin is described. Further described, is the prevention and/or controlling of cellulite or the orange peel syndrome and/or for slimming down the figure, through the increase of the elasticity and firmness of the skin by stepping up collagen synthesis, for increasing blood microcirculation and for improving thermoregulation of the skin. | 11-28-2013 |
20130245326 | PROCESS FOR PRODUCING DIBK - A process for producing diisobutyl ketone (DIBK) which includes bringing together triacetone dialcohol (TDA) and a bifunctional catalyst that can perform a dehydration and hydrogenation reaction is described. | 09-19-2013 |
20130211132 | METHOD FOR PREPARING DI-ALPHA-METHYL BENZYL ADIPATE - A method for preparing di-alpha-methyl benzyl adipate by direct esterification of adipic acid and alpha-methylbenzyl alcohol is described. The reaction can produce a high yield and can be carried out under mild conditions, in the presence of a catalyst selected from among the orthotitanates of tetra-hydrocarbyl. | 08-15-2013 |
20130183359 | POLYMERIC COMPOSITIONS CONTAINING IR-EMITTING/ABSORBING ADDITIVES AND SHAPED ARTICLES COMPRISED THEREOF - Polymeric compositions containing additives having properties of emission and/or absorption of radiation in the long infrared region, and articles shaped therefrom are produced, including yarns and textile articles such as fabrics or knits; such additives include organic additives or inorganic fillers which have a capacity for absorption/emission of radiation in the infrared region, in a wavelength range of from 2 μm to 20 μm, and also a polymeric substrate, with the proviso that the inorganic fillers may be selected from among oxides, sulfates, carbonates, phosphates and silicates, and such inorganic fillers having an average particle size of less than 2 μm. | 07-18-2013 |
20130122062 | POLYMERIC COMPOSITIONS CONTAINING IR-EMITTING/ABSORBING ADDITIVES AND SHAPED ARTICLES COMPRISED THEREOF - Polymeric compositions containing additives having properties of emission and/or absorption of radiation in the long infrared region, and articles shaped therefrom are produced, including yarns and textile articles such as fabrics or knits; such additives include organic additives or inorganic fillers which have a capacity for absorption/emission of radiation in the infrared region, in a wavelength range of from 2 μm to 20 μm, and also a polymeric substrate, with the proviso that the inorganic fillers may be selected from among oxides, sulfates, carbonates, phosphates and silicates, and such inorganic fillers having an average particle size of less than 2 μm. | 05-16-2013 |
20130112107 | CATALYTIC COMPOSITION HAVING A CORROSION-INHIBITING EFFECT, METHOD FOR INHIBITING CORROSION AND USE OF SAME - A catalytic composition with a corrosion-inhibiting effect on metal surfaces is described. Also described, is a corrosion-inhibiting process and use of a corrosion inhibitor. Further, the catalytic composition can have a corrosion-inhibiting effect on metal surfaces in contact with an esterification medium comprising a carboxylic acid and an alcohol, wherein the composition comprises as a catalyst, a strong protonic acid and, as corrosion inhibitor, an iron(III) carboxylate. | 05-09-2013 |
20130053600 | METHOD FOR PREPARING A CARBOXYLIC ACID ESTER - A method of manufacturing a carboxylic acid ester is described. Also described, is a method for manufacturing a carboxylic acid ester by reacting a carboxylic acid and an alcohol, wherein the reaction is performed in the presence of an excess of carboxylic acid. | 02-28-2013 |
20120270995 | AQUEOUS FORMULATIONS INCLUDING DIOXOLANES AS COUPLING AGENTS - An aqueous coating formulation including a polymer resin, an inorganic filler and a dioxolane as a coupling agent is described. Aqueous paint formulas including certain dioxolanes as coupling agents are also described. | 10-25-2012 |
20120245398 | PROCESS FOR THE PURIFICATION OF CRUDE GLYCEROL - Processes for the purification of crude glycerol obtained as a by-product of industrial processes, such as saponification, hydrolysis and transesterification with low chain alcohols of natural oils and fats, is described. Purified glycerol can also be obtained from the treatment of crude glycerol obtained as a by-product of biodiesel production from vegetable oils and animal fats. | 09-27-2012 |
20120245371 | PROCESS FOR THE PURIFICATION OF CRUDE ALKALINE GLYCEROL - The present invention generally concerns a treatment process for crude alkaline glycerol obtained as a by-product of transesterification reaction of natural oils and fats with lower alcohols. The present invention particularly concerns the treatment of crude alkaline glycerol obtained as a by-product of the biodiesel production from vegetable oils and animal fats using organic alkyl carboxylic acids or their aqueous solution, comprising the steps of: (a) acidification of the crude alkaline glycerol stock to pH in the range of about 4 to about 6, particularly 4 to 5, with organic alkyl carboxylic acids, in the presence of water in the range from about 5% to about 50%, particularly 15 to 30%, in weight with respect to the weight of the crude alkaline glycerol stock; (b) separating the formed free fatty acids, for instance by flotation; (c) removing the alcohol present in the acidified crude glycerol stock, for instance by distillation; (d) separating the acidic glycerol. | 09-27-2012 |
20120223268 | LEATHER FINISHING COMPOSITIONS COMPRISING DIOXOLANE DERIVATIVES - Uses of dioxolane derivatives in the finishing of leather are described. Also described, are leather finishing compositions comprising dioxolane derivatives and methods for treating leather. | 09-06-2012 |
20120178960 | PROCESS TO OBTAIN A MIXTURE OF LOWER CARBOXYLIC MONO, DI AND TRIESTERS FROM RAW GLYCERIN - An process to obtain a mixture of lower carboxylic acid mono, di and triesters, from raw glycerin, a by-product of the process to obtain biodiesel, a transesterification of vegetable raw material with lower alcohols is described. Also described is a process to obtain triacetin or a mixture of mono-, di- and triacetin from that raw glycerin, without prior purification. | 07-12-2012 |
20110313204 | CATALYTIC METHOD OF MANUFACTURE OF COMPOUNDS OF THE DIOL TYPE - The invention relates to a catalytic method for the industrial production of a diol compound, such as 2-methyl-2-4-pentanediol, also called 2,4-hexylene glycol (HGL), from a β-hydroxy carbonyl compound, Formula (I), in particular diacetone alcohol (DAA). | 12-22-2011 |