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| Number | Title | Issue Date |
| 8129556 | Process for preparing organosilanes The invention relates to a process for preparing organosilanes of the general formula I by reacting (haloorganyl)alkoxysilane of the formula II with hydrous alkali metal hydrogens... | 03/06/2012 |
| 8097743 | Process for manufacture of blocked mercaptosilane coupling agents Blocked mercaptosilanes can be manufactured by reacting mercaptosilanes with organic or inorganic halides or anhydrides in the presence of an acid acceptor and washing the resulting reaction product with water/brine to yield two immiscible phases: an organic phase c... | 01/17/2012 |
| 8063237 | Sulfur modified silanes for the elaboration of high refractive index materials A process for combining a polythiol reactant and an alkenyl silane reactant to form a polysulfide polysilane. The reactants are combined in a thiol-ene addition process driven by UV radiation. The polysulfide polysilane is then hydrolyzed and may be combined with ot... | 11/22/2011 |
| 8013178 | Mercaptosilanes and derivatives thereof Mercaptosilanes are disclosed of the formula I wherein R1 is an alkyl polyether group —O—(R5—O)m—R6. They are prepared by a procedure in which a silane of the formula II | 09/06/2011 |
| 8008519 | Process for making mercapto-functional silane The disclosure herein relates to organofunctional silanes and mixtures of organofunctional silanes possessing mercaptan and hydrocarbyl and/or heterocarbyl functionality. These silanes reduce or eliminate the generation of volatile organic compounds (VOC's) during u... | 08/30/2011 |
| 7718819 | Process for making organofunctional silanes and mixtures thereof A process is provided for preparing organofunctional silanes, inclusive of dimers and oligomers, in which individual silanes possess both free and blocked mercaptan functionality or particular mixtures of the organofunctional silanes possess both free and blocked me... | 05/18/2010 |
| 7659417 | Process for obtaining halogenated monoorganoxysilanes which can be used in particular as synthesis intermediates The invention concerns the preparation of halogenated monoorganoxysilanes, of formula (I), said compounds being useful as synthesis intermediate in organic chemistry. Said method for preparing monoorganoxysilanes consists i... | 02/09/2010 |
| 7518009 | Process for preparing mercaptoorganyl (alkoxysilanes) The present invention relates to a process for preparing mercaptoorganyl(alkoxysilanes), by hydrogenating bis(alkoxy-silylorganyl) polysulphides with hydrogen in the presence of at least one alcohol and a doped metal catalyst. The doped metal catalyst comprises at l... | 04/14/2009 |
| 7501534 | Process for the preparation of organosilanes A process for the preparation or organosilanes of the formula I by reacting a (haloorganyl)alkoxysilane of the formula II with a sulphurization reagent selected from the group con... | 03/10/2009 |
| 7470803 | Compounds for forming photoconvertible organic thin film and organic thin film formed body The present invention relates to a compound which is flexibly amenable to the alteration, without impairing its photosensitivity, of its structural moiety which affects film forming ability and the resulting surface properties, the compound being capable of undergoi... | 12/30/2008 |
| 7429675 | Process for the preparation of racemic 2-{[2-(4-hydroxyphenyl)ethyl]thio}-3-[4-(2-{4-[(methylsulfonyl)oxy]phenoxy}ethyl)phenyl]-propanoic acid The present invention provides a process for the preparation of substantially racemic 2-{[2-(4-hydroxyphenyl)ethyl]thio}-3-[4-(2-{4-[(methylsulfonyl)oxy]phenoxy}ethyl)phenyl]-propanoic acid which comprises reacting 2-{[2-(4-hydroxyphenyl)ethyl]thio}-3-[4-(2-{4-[(met... | 09/30/2008 |
| 7423165 | Organosilicon compounds Organosilicon compounds of the general formula I are produced by catalytically reacting silanes of the general formula II | 09/09/2008 |
| 7408015 | Reacting functionalized trialkoxysilane with polyepoxide or diamine to yield silane adduct The present invention relates to silane adducts having a relatively higher adhesive strength as expressed formula X3SiR1, and manufacturing method thereof. wherein X is a hydrogenated form selected from one of epoxy compounds, amino compounds a... | 08/05/2008 |
| 7371881 | Process for the preparation of organosilicon compounds A process for the preparation of an organosilicon compound of the formula (I) (R1R2R3SiR4)2Sx (I) by reacting haloalkoxysilanes of the general formula (II) R1 | 05/13/2008 |
| 7368587 | Functionalized siloxy compound, silica reinforced rubber compositions thereof and tire with component comprised thereof The present invention relates to a functionalized siloxy compound which is useful in silica-filled rubber compositions and the processing of a sulfur curable rubber composition containing silica. Accordingly, the invention further relates to a rubber composition con... | 05/06/2008 |
| 7368588 | Preparation of sulfide chain-bearing organosilicon compounds By reacting a mixture of a halogenoalkyl group-bearing organosilicon compound and sulfur with an aqueous solution or water dispersion of an ammonium or alkali metal sulfide or a hydrate thereof in the presence of a phase transfer catalyst, a sulfide chain-bearing or... | 05/06/2008 |
| 7355059 | Preparation of sulfide chain-bearing organosilicon compounds A sulfide chain-bearing organosilicon compound having the average compositional formula: (R1O)(3-p)(R2)pSi—R3—S—(R4—Sm)q—R4—S—R3—S... | 04/08/2008 |
| 7339067 | Process for producing mercaptoorganyl (alkoxysilane) The invention concerns a process for producing mercaptoorganyl(alkoxysilanes), wherein bis(alkoxysilylorganyl)polysulfides are hydrogenated at temperatures of | 03/04/2008 |
| 7335692 | Rubber composition for tire tread The present invention relates to a cross-linkable or cross-linked rubber composition usable in a tread of a tire, and to a tire incorporating this tread. A rubber composition according to the invention is based on at least one diene elastomer, and a plasticizer comp... | 02/26/2008 |
| 7332619 | Process for the preparation of mercaptoorganyl (alkoxysilanes) The invention relates to a process for the preparation of mercaptoorganyl(alkoxysilanes), wherein bis(alkoxysilylorganyl)polysulfides are hydrogenated with hydrogen and a transition metal catalyst in a solvent without the addition of alcohols, H2S or wate... | 02/19/2008 |
| 7323582 | Organosilicon compounds Organosilicon compounds of the general formula I and/or II are produced by reacting silanes of the general formula III with alcohols of the general formula R... | 01/29/2008 |
| 7309797 | Preparation of sulfide chain-bearing organosilicon compounds By reacting a halogenoalkyl group-bearing organosilicon compound and optionally sulfur with an aqueous solution or water dispersion of an ammonium or alkali metal polysulfide or a hydrate thereof in the presence of a phase transfer catalyst, a sulfide chain-bearing ... | 12/18/2007 |
| 7294731 | Perfluoropolyether silanes and use thereof The present invention provides novel perfluoropolyether silanes, compositions containing the novel perfluoropolyether silanes and method of treating substrates, in particular substrates having a hard surface such as ceramics or glass, to render them water, oil, stai... | 11/13/2007 |
| 7288667 | Preparation of sulfide chain-bearing organosilicon compounds A sulfide chain-bearing organosilicon compound having the average compositional formula: (R1O)(3-p)(R2)pSi—R3—S—(R4—Sm)q—R4—S—R3—S... | 10/30/2007 |
| 7273948 | Process of preparing esters and ethers of probucol and derivatives thereof A probucol or a probucol derivative can be efficiently converted to a monoester or monoether of probucol by reacting the free hydroxyl-containing probucol or a derivative thereof (by which is meant a probucol compound with at least one substituent that is different ... | 09/25/2007 |
| 7259204 | Tire compositions comprising surface-modified silica A tire having a tread, where the tread includes a vulcanized rubber and silica that has been surface-modified with polymer chemically attached to the silica surface. ... | 08/21/2007 |
| 7259272 | ω-[2-(polyalkyleneoxy)ethylthio]alkylalkoxysilane derivative and preparation method thereof The present invention relates to a ω-[2-(polyalkyleneoxy)ethylthio]alkylalkoxysilane derivative and a preparation method thereof, more particularly to a ω-[2-(polyalkyleneoxy)ethylthio]alkylalkoxysilane derivative prepared by transforming a (ω-mercaptoalkyl)alkyl... | 08/21/2007 |
| 7256231 | Silica-reinforced rubber compounded with blocked mercaptosilanes and alkyl alkoxysilanes The invention provides a sulfur vulcanizable silica-reinforced elastomeric compound having improved tensile mechanical and dynamic viscoelastic properties. The compounds are formed by mixing an elastomer optionally having an alkoxysilane terminal group, with silica ... | 08/14/2007 |
| 7253225 | Rubber composition for a tire tread The invention relates to a cross-linked rubber composition for a tire tread having a Shore A hardness greater than 45 and less than 57, measured in accordance with Standard ASTM D 2240, wherein the composition comprises greater tha... | 08/07/2007 |
| 7238122 | Ormocer composites for golf ball components A golf ball comprising a core; a cover layer; and a barrier layer disposed between the core and the cover layer, the barrier layer being formed from a composition comprising an organically-modified ceramic material (also referred to as ormocers, ceramers, ormosils, ... | 07/03/2007 |
| 7226982 | Protective coat-forming coating composition, coated article, and multilayer laminate A coating composition primarily comprising a disilane compound of the formula (A): XmR13−mSi—Y—SiR13−mXm (A) wherein R1 is a monovalent hydrocarbon group, Y... | 06/05/2007 |
| 7199256 | Organosilicon compound, making method, and rubber compounding agent Organosilicon compounds having organooxysilyl groups at ends and a polysulfide group at an intermediate of the molecule, which are linked through a divalent hydrocarbon group containing a monosulfide or polysulfide group are novel. These organosilicon compounds are ... | 04/03/2007 |
| 7189866 | Siloxane polysulfide usable as cross-linking agent, and process for obtaining such Siloxane polysulfide compound of the general formula (I) below: in which: the number x, which may be an integer or a fractional number, is equal to or greater than 2; ... | 03/13/2007 |
| 7169872 | Hybrid silicon-containing coupling agents for filled elastomer compositions This invention describes novel chemical compounds whose structures are hybrids between sulfur-containing and non-sulfur-containing silanes wherein the two types of silanes are linked by siloxane bonds. The invention includes methods of preparation for the hybrid sil... | 01/30/2007 |
| 7166735 | Organosilicon compound, making method, and rubber compounding agent Organosilicon compounds having organooxysilyl groups at ends and a polysulfide group at an intermediate of the molecule, which are linked through a divalent hydrocarbon group containing a monosulfide or polysulfide group are novel. These organosilicon compounds are ... | 01/23/2007 |
| 7151188 | Process for the production of mercaptoalkylalkoxysilanes Mercaptoalkylalkoxysilane is obtained by reacting at least one sulfide of the general formula MHS wherein M is an alkali metal or ammonium with a haloalkyl silane in an aqueous reaction medium in the presence of an acidic gas to maintain the pH o... | 12/19/2006 |
| 7148369 | Organosilicon compounds, preparation method and uses thereof The invention concerns organosilicon compounds, their method of preparation and their use as coupling agents for deposition, at the surface of a solid support, an organized self-assembled monolayer. The invention also concerns a method for obtaining solid supports w... | 12/12/2006 |
| 7125497 | Reactive formulations for a neutralization of toxic industrial chemicals Decontamination formulations for neutralization of toxic industrial chemicals, and methods of making and using same. The formulations are effective for neutralizing malathion, hydrogen cyanide, sodium cyanide, butyl isocyanate, carbon disulfide, phosgene gas, capsai... | 10/24/2006 |
| 7122590 | Blocked mercaptosilane coupling agents for filled rubbers Disclosed herein is a process of manufacturing a filled rubber comprising the steps of: mixing a rubber, an inorganic filler, and a blocked mercaptosilane of a structure defined herein, to produce a rubber mixture; | 10/17/2006 |
| 7109367 | (Organothiomethyl)chlorosilanes and their preparation methods This invention relates to (organothiomethyl)chlorosilanes and methods for their preparation by the dehydrohalogenative Si—C coupling reaction of oranothiomethyl halides with Si—H containing chlorosilanes (hydrosilanes), wherein a mixture of oranothiomethyl halid... | 09/19/2006 |
