Class / Patent application number | Description | Number of patent applications / Date published |
556436000 | Carbonyl attached directly or indirectly to silicon by nonionic bonding | 40 |
20080207936 | Method of Producing 3-Hydroxybutyraldehyde Derivative - The present invention relates to a method of producing a 3-hydroxybutyraldehyde derivative, particularly an optically active 3-hydroxybutyraldehyde derivative, which is useful as an intermediate of a pharmaceutical agent and the like. | 08-28-2008 |
20090069589 | PROCESSES FOR PRODUCING HYDROHALOCARBON AND HALOCARBON COMPOUNDS USING SILICON TETRAFLUORIDE - Methods and systems for producing hydrohalocarbon and/or halocarbon compounds with an inorganic fluoride (e.g., silicon tetrafluoride (SiF | 03-12-2009 |
20120220792 | PROCESS FOR PRODUCING ALDEHYDES OR KETONES BY OXIDIZING ALCOHOLS WITH OXYGEN - Provided is a process for producing aldehydes or ketones by oxidizing alcohols with oxygen, which comprises oxidizing alcohols to aldehydes or ketones in an organic solvent at room temperature with oxygen or air as an oxidant, wherein ferric nitrate (Fe(NO3)3.9H2O), 2,2,6,6-tetramethylpiperidine N-oxyl (TEMPO) and an inorganic chloride are used as catalysts, the reaction time is 1-24 hours, and the molar ratio of said alcohols, 2,2,6,6-tetramethylpiperidine N-oxyl and the inorganic chloride is 100:1˜10:1˜10:1˜10. The present process has the advantages of high yield, mild reaction conditions, simple operation, convenient separation and purification, recoverable solvents, substrates used therefor being various and no pollution, and therefore it is adaptable to industrialization. | 08-30-2012 |
20130331593 | Synthesis Of Treprostinil And Intermediates Useful Therein - Treprostinil is prepared by a process which involves Pauson-Khan cyclization of an an alkene-substituted, alkyne-substituted benzene corresponding to formula: (I) where PMB represents para-methoxy benzyl protecting group and R | 12-12-2013 |
20150126761 | IMPROVED PROCESS FOR THE PREPARATION OF TREPROSTINIL AND DERIVATIVES THEREOF - A method for the preparation of treprostinil and its derivatives is described. In contrast to prior art, this method utilizes an easily scalable enzymatic resolution of a key intermediate for making these compounds. Another significant improvement of the described method over prior methods is the regioselective Claisen rearrangement of a 5-allyloxy-benzaldehyde precursor, which is facilitated by a bromo substituent in 2-position. | 05-07-2015 |
20160074852 | CATALYSTS, LIGANDS AND USE THEREOF - According to the present invention, there is provided a catalytic complex comprising a metal, one or more ligands and one or more counterions, wherein said one or more ligands include a non-racemic chiral ligand and wherein said one or more counterions include a triflimide counterion. Also provided are methods of making said catalytic complex and processes for producing chiral compounds which involve the use of said catalytic complex. In addition, the present invention provides compounds of the formula (2) as defined herein. The compounds of formula (2) may be useful as ligands in catalytic complexes. | 03-17-2016 |
556437000 | The carbonyl is part of a -COO- group | 34 |
20090076292 | Rosuvastatin intermediates and process for the preparation of rosuvastatin - Provided are intermediates and process for the preparation of statins, preferably rosuvastatin. | 03-19-2009 |
20100041909 | METHOD FOR THE PRODUCTION OF POLYMERIZABLE SILICONES - Siloxy-substituted silane-containing polymerizable silicones are prepared in high purity by metering a substituted alkoxysilane into a mixture of disiloxane, acetic acid, and acid catalyst, adding acetyl chloride, separating an acidic phase from a product phase, and adding hexamethyldisilazane to the product phase, which is then distilled. | 02-18-2010 |
20100056818 | PROCESS FOR PREPARING ORGANICALLY MODIFIED SILOXANES - The invention provides a process for preparing siloxanes modified with organic esters, by hydrosilylating siloxanes with terminally unsaturated esters, which comprises preparing the terminally unsaturated esters used using at least one enzyme as catalyst. | 03-04-2010 |
20100160663 | PROCESS FOR PREPARING INTERMEDIATES OF HMG-CoA REDUCTASE INHIBITORS - The present invention relates to intermediates of rosuvastatin and processes for the production thereof. | 06-24-2010 |
20100179340 | SYSTEM, REACTOR AND PROCESS FOR CONTINUOUS INDUSTRIAL PREPARATION OF 3-METHACRYLOYLOXYPROPYLALKOXYSILANES - The present invention relates to a system, to a reactor and to a process for continuous industrial performance of a reaction wherein allyl methacrylate A is reacted with an HSi compound B in the presence of a catalyst C and optionally of further assistants, and the system is based at least on the combination of reactants ( | 07-15-2010 |
20110295033 | LOW-IMPURITY ORGANOSILICON PRODUCT AS PRECURSOR FOR CVD - The present invention provides an organosilicon composition comprising diethoxymethylsilane, a concentration of dissolved residual chloride, and a concentration of dissolved residual chloride scavenger that does not yield unwanted chloride salt precipitate when combined with another composition comprising diethoxymethylsilane. | 12-01-2011 |
20120264964 | ALKOXYSILANE COMPOUNDS HAVING FLUOROALKYL GROUP AND METHOD OF PREPARING THE SAME - Alkoxysilane compounds having two fluoroalkyl groups and represented by the formula (1): | 10-18-2012 |
20150011788 | ORGANO-MODIFIED SILICONE POLYMERS - A linear silicone polymer suitable for use in producing homopolymers, copolymers, polymerized emulsions, latex compositions, and hydrogel polymer films. In one aspect, a hydrophilic silicone monomer is of the Formula 1: | 01-08-2015 |
20160185914 | Contact Lenses Made With HEMA-Compatible Polysiloxane Macromers - Optically clear silicone hydrogel contact lenses are described that comprise a polymeric lens body that is the reaction product of a polymerizable composition comprising at least 25 wt. % of at least one hydroxyalkyl methacrylate; and at least 20 wt. % of at least one HEMA-compatible bifunctional polysiloxane comprising at least 6 siloxane groups and having an HLB value of at least 5 and/or a hydroxyl group content of at least 1 wt. %. | 06-30-2016 |
556438000 | Silicon and the carbon of the -COO- group are bonded directly to the same hydrocarbon group | 7 |
20100063310 | Functionalized silicon compounds - A process for preparing a functionalized carbo-silicon compound comprising contacting, in the presence of a hydrosilation catalyst and under hydrosilation promoting conditions: a hydrolyzable silicon reactant having at least one Si—H functional group, and a functionalized olefin reactant containing at least one terminal olefin functional group and a tertiary carbon atom to which is bonded a second functional methyl group or functional carbon group characterized by having substantial potential to impede a hydrosilation reaction when otherwise not attached to the tertiary carbon atom. | 03-11-2010 |
20100152472 | PROCESS FOR SILYLATING MONOCARBOXYLIC ACIDS - A process for preparing silylated monocarboxylic acids by reacting C | 06-17-2010 |
20150361112 | PLATINUM CATALYZED HYDROSILYLATION REACTIONS UTILIZING CYCLODIENE ADDITIVES - A process for the hydrosilylation of an unsaturated compound comprising reacting (a) a silyl hydride with (b) an unsaturated compound in the presence of (c) a platinum compound and (d) a cyclodiene, with the provisos that (i) when the unsaturated compound is a terminal alkyne, the silyl hydride is other than a halosilane, and (ii) when the platinum compound is a Pt(II)-based compound, the ratio of total moles of cyclodiene to moles of platinum is less than 3:1. | 12-17-2015 |
556439000 | Two silicons bonded directly to the same oxygen | 4 |
20090221842 | METHOD FOR THE PRODUCTION OF ORGANOSILICON COMPOUNDS COMPRISING CARBOXY RADICALS - Organosilicon compounds bearing carboxylic acid groups are easily and economically replaced in high yield by oxidation of a carbinol-functional organosilicon compound with an oxidizer in the presence of a moderator at a pH≧3. Carboxyl-functional organopolysiloxanes highly useful as textile softeners may be obtained by this method. | 09-03-2009 |
20100298591 | ASYMMETRIC LOW MOLECULAR WEIGHT SILOXANES WITH ONE FUNCTIONAL GROUP - Low molecular weight siloxane materials having one functional group are provided which have reduced tendency to form phase separated domains after polymerization. Two classes of siloxane materials are included: (1) symmetric siloxane macromonomers containing at least two monomer termini and one polymerizable functional group which is equidistant from the termini, and (2) assymetric siloxane macromonomers having at least one polymerizable functional group terminus and at least one oxygen-containing polar hydrophilic terminus selected from the group consisting of hydroxyl, ether, and polyether. Symmetric siloxane macromonomers having hydroxyl termini are useful for forming biocompatible materials, such as for contact lenses, tissue regeneration scaffold polymers, and coatings to reduce non-specific binding of proteins. | 11-25-2010 |
20140275599 | SYMMETRIC HYPERBRANCHED SILICONE-MODIFIED POLYMERIZABLE COMPOUND AND MODULARIZED MANUFACTURING METHOD THEREOF - The invention provides a symmetric hyperbranched silicone-modified polymerizable compound comprises a compound represented by the general formula (1). There can be provided a symmetric hyperbranched silicone-modified polymerizable compound having a structure with chemically high flexibility at the branched chain, having good reactivity of the polymerizable functional group, and having a branched structure which is positionally and sterically symmetric and pure than the conventional ones. | 09-18-2014 |
20150315214 | METHOD FOR THE HYDROSILYLATION OF A SILOXANE PHOTOCATALYSED BY A POLYOXOMETALATE COMPOUND - The invention concerns a method of hydrosilylation between a siloxane compound (A) comprising at least one hydrogen atom bonded to a silicon atom and an unsaturated compound (B) comprising at least one alkene function and/or at least one alkyne function, the method being characterized in that it is catalysed by a photocatalyst selected from among the polyoxometalates. | 11-05-2015 |
556440000 | Silicon and the oxy of the -COO- group are bonded directly to the same hydrocarbon group | 13 |
20080293958 | Process for Preparing Unsaturated Organosilicon Compounds - Unsaturated organosilicon compounds are prepared by the reaction of a halo-functional organosilicon compound with a salt of an unsaturated carboxylic acid in the presence of a tertiary phosphine. | 11-27-2008 |
20090124821 | NORBORNANE SKELETON STRUCTURE-CONTAINING ORGANOSILICON COMPOUND AND METHOD OF PRODUCING SAME - Disclosed are a radiation-polymerizable functional group-containing organosilicon compound, including (A) a norbornane skeleton structure, (B) a hydrolyzable silyl group bonded directly to the norbornane skeleton structure, and (C) a radiation-polymerizable functional group bonded to the norbornane skeleton structure, either directly or via a carbon atom, a hetero atom, or a combination thereof, and a method of producing the radiation-polymerizable functional group-containing organosilicon compound. Also disclosed are a haloalkyl group-containing organosilicon compound, including (D) a norbornane skeleton structure, (E) a hydrolyzable silyl group bonded directly to the norbornane skeleton structure, and (F) a haloalkyl group, which is bonded directly to the norbornane skeleton structure and either contains or does not contain a hetero atom, and a method of producing the haloalkyl group-containing organosilicon compound. These organosilicon compounds are useful as silane coupling agents having superior heat resistance stability. | 05-14-2009 |
20090143606 | Production process for a silicon compound - The present invention provides a silicon compound represented by Formula (1) and a polymer obtained by using the same, and this makes it possible not only to obtain an organic-inorganic composite material having a distinct structure but also to control the structure of the above polymer as a molecular aggregate. | 06-04-2009 |
20100152473 | BETA-KETOESTER GROUP-CONTAINING ORGANOPOLYSILOXANE COMPOUND - A novel organosilicon compound is provided as an organosilicon compound containing a β-ketoester structure that has minimal volatile components and generates a minimal amount of alcohol when used as a component within all manner of treatment agents. The organopolysiloxane is represented by an average composition formula shown below: | 06-17-2010 |
20100311999 | Silahydrocarbyl Esters Of 3-Chloro-2-Trifluoromethylpropionic Acid, Their Preparation and Preparation Of The Corresponding Acrylic Acid Esters - An organic silicon compound represented by the following general formula: ClCH | 12-09-2010 |
20120004437 | METHOD FOR PRODUCING (METH)ACRYLOSILANES - The invention relates to a method for producing silanes (S) of the general formula (1); (R | 01-05-2012 |
20120157701 | PROCESS FOR PREPARING SILOXY CARBOXYLATES - A process for preparing siloxy carboxylates is characterized by reaction of C | 06-21-2012 |
20120330046 | DUAL END GLYCEROL (METH) ACRYLATE-MODIFIED SILICONE AND MAKING METHOD - A dual end glycerol (meth)acrylate-modified silicone having formula (I): R | 12-27-2012 |
20130060057 | METHOD FOR PRODUCING ESTER-FUNCTIONAL SILANES - Silanes containing an ester group are produced in high yield and purity by reacting a salt of a carboxylic acid with a silane containing a carboxylate substitutable leaving group following by distilling the product mixture to obtain a distillate containing the ester group containing silane product, wherein a solvent having a boiling point higher than the product is contained in the product mixture during at least a terminal portion of the distillation. | 03-07-2013 |
20130131369 | HYDROLYSIS-RESISTANT SILICONE COMPOUNDS - In one aspect, the invention relates to hydrolysis-resistant silicone compounds. In particular, disclosed are sterically hindered hydrolysis-resistant silicone compounds and improved purity hydrolysis-resistant silicone compounds. Also disclosed are processes for making hydrolysis-resistant silicone compounds; the products of the disclosed processes; compositions and polymers comprising the disclosed compounds and products of the disclosed processes; and ophthalmic lenses, for example contact lenses, intraocular lenses, artificial cornea, and spectacle lenses, comprising the disclosed compositions, disclosed polymers, disclosed compounds, and products of the disclosed processes. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present invention. | 05-23-2013 |
20130197253 | PHOTO-PATTERNABLE DIELECTRIC MATERIALS CURABLE TO POROUS DIELECTRIC MATERIALS, FORMULATIONS, PRECURSORS AND METHODS OF USE THEREOF - Silsesquioxane polymers that cure to porous silsesquioxane polymers, silsesquioxane polymers that cure to porous silsesquioxane polymers in negative tone photo-patternable dielectric formulations, methods of forming structures using negative tone photo-patternable dielectric formulations containing silsesquioxane polymers that cure to porous silsesquioxane polymers, structures containing porous silsesquioxane polymers and monomers and method of preparing monomers for silsesquioxane polymers that cure to porous silsesquioxane polymers. | 08-01-2013 |
20140296554 | HYDROLYSIS-RESISTANT SILICONE COMPOUNDS - In one aspect, the invention relates to hydrolysis-resistant silicone compounds. In particular, disclosed are sterically hindered hydrolysis-resistant silicone compounds and improved purity hydrolysis-resistant silicone compounds. Also disclosed are processes for making hydrolysis-resistant silicone compounds; the products of the disclosed processes; compositions and polymers comprising the disclosed compounds and products of the disclosed processes; and ophthalmic lenses, for example contact lenses, intraocular lenses, artificial cornea, and spectacle lenses, comprising the disclosed compositions, disclosed polymers, disclosed compounds, and products of the disclosed processes. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present invention. | 10-02-2014 |
20160052944 | Manufacturing Method For High-Purity Glycerol Derivative-Modified Silicone - The present invention relates to a manufacturing method for a liquid high-purity glycerin derivative-modified silicone, the method comprising:
| 02-25-2016 |
556441000 | Carbocyclic ring having silicon as part of one substituent and the -COO- as part of another substituent | 4 |
20110245525 | NORBORNANE SKELETON STRUCTURE-CONTAINING ORGANOSILICON COMPOUND AND METHOD OF PRODUCING SAME - Disclosed are a radiation-polymerizable functional group-containing organosilicon compound, including (A) a norbornane skeleton structure, (B) a hydrolyzable silyl group bonded directly to the norbornane skeleton structure, and (C) a radiation-polymerizable functional group bonded to the norbornane skeleton structure, either directly or via a carbon atom, a hetero atom, or a combination thereof, and a method of producing the radiation-polymerizable functional group-containing organosilicon compound. Also disclosed are a haloalkyl group-containing organosilicon compound, including (D) a norbornane skeleton structure, (E) a hydrolyzable silyl group bonded directly to the norbornane skeleton structure, and (F) a haloalkyl group, which is bonded directly to the norbornane skeleton structure and either contains or does not contain a hetero atom, and a method of producing the haloalkyl group-containing organosilicon compound. These organosilicon compounds are useful as silane coupling agents having superior heat resistance stability. | 10-06-2011 |
20120022280 | NOVEL METHOD - The present invention relates to method for improving the color index of an organopolysiloxanes functionalized with a benzalmalonate said method comprising the step of contacting said organopolysiloxanes functionalized with a benzalmalonate with a hydroxy carboxylic acid or a cyclic ester thereof in an organic solvent. | 01-26-2012 |
20120330047 | COMPOUND - A problem of the present invention is to prevent a base layer beneath the layer to be irradiated with light from deterioration in property and a functional thin film from deterioration in property as the fine patterning of a functional film is performed with light irradiation. Means for solving the problem is a compound obtained by dimerizing with light irradiation a compound (A) containing a group that has photosensitivity and can be photodimerized and a group having lyophilicity and a compound (B) containing a group that has photosensitivity and can be photodimerized and a group having liquid-repellency. | 12-27-2012 |
20160009740 | METAL-CATALYZED ASYMMETRIC 1,4-CONJUGATE ADDITION OF VINYLBORON COMPOUNDS TO 2-SUBSTITUTED-4-OXY-CYCLOPENT-2-EN-1-ONES YIELDING PROSTAGLANDINS AND PROSTAGLANDIN ANALOGS | 01-14-2016 |
556442000 | Silicon is bonded directly to the oxy of the -COO- group | 1 |
20130184482 | Process For Preparing An Acryloyloxysilane - A process for preparing an acryloyloxysilane, the process comprising reacting a metal salt of a carboxylic acid having the formula [CR | 07-18-2013 |