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| Number | Title | Issue Date |
| 8362289 | Mixture for recovery utilization or transfer of carbon dioxide It is an object of the present invention to provide a mixture for recovery utilization or transfer of carbon dioxide gas. According to the present invention, disclosed is a mixture containing carbon dioxide and an alkyltin alkoxide composition containing carbon diox... | 01/29/2013 |
| 7378037 | Organotin compound treatment To treat an organotin compound in a liquid at low cost. Addition of iron oxide into a liquid containing an organotin compound allows trapping of the organotin compound in the liquid by the iron oxide, and reduction of the organotin compound concentration in the liqu... | 05/27/2008 |
| 7238824 | Derivatizing organometallic halides Methods, compounds, and kits are provided for derivatizing organometallic halide compounds. The methods include reacting an organometallic halide with a reagent to produce an analyte having desired properties. In a preferred form, the analyte has properties that ren... | 07/03/2007 |
| 6861544 | Fluorous tin compounds an methods of using fluorous tin compounds A method of carrying out a reaction comprising the steps of: mixing at least one organic reaction component with at least one fluorous reaction component having the formula: X1Sn(R)n[Rs(Rf)]3-n, X1X2Sn... | 03/01/2005 |
| 6831189 | Methods and compounds for making coatings, waveguides and other optical devices A method comprises reacting a compound of the general formula R14-mMOR3m wherein m is an integer from 2 to 4, R1 is selected from alkyl, alkenyl, aryl, alkynyl or epoxy, and wherein R1 is nonfluorinated, or fully or partially fluorinated; OR3 i... | 12/14/2004 |
| 6689459 | Clear cathodic electrocoating compositions An improved aqueous cathodic electrocoating composition having a binder of an epoxy-amine adduct which is an epoxy resin that has been reacted with an amine, a blocked polyisocyanate crosslinking agent and an organic or inorganic acid as the neutralizing ... | 02/10/2004 |
| 6570031 | Dendrimer compounds, method for the production thereof, use thereof as catalysts The present invention relates to a novel dendrimic compounds, to a method for the production thereof and to the use thereof as catalysts for the production of polymers, in particular to the use thereof as co-catalysts for metallocenes for polymerizing uns... | 05/27/2003 |
| 6531618 | Process for preparing water-soluble catalysts The invention relates to a process for preparing water-soluble organotin catalysts by contacting organotin compounds with polyelectrolytes and, optionally, subsequently removing the water.... | 03/11/2003 |
| 6506918 | Heterogeneous organotin catalysts This invention provides: (a) new organotin functionalized silanes: (b) a solid prepared by chemically bonding organotin functionalized silanes to a solid inorganic support containing surface hydroxy groups: (c) a solid catalyst prepared from said supporte... | 01/14/2003 |
| 6376693 | Synthesis of organotin oxides Organotin oxides are synthesized by reacting powdered tin metal with an alcohol at elevated temperatures on the order of about 200-400° C. Monoalkyltin, dialkyltin and trialkyltin oxides are produced in quantitative yields according to the method.... | 04/23/2002 |
| 6215010 | Synthesis of organotin oxides Organotin oxides are synthesized by reacting powdered tin metal with an alcohol at elevated temperatures on the order of about 200-400° C. Dialkyltin oxides are produced in quantitative yields according to the method.... | 04/10/2001 |
| 6166235 | Heterogeneous organotin catalysts This invention provides: (a) new organotin functionalized silanes: (b) a solid prepared by chemically bonding organotin functionalized silanes to a solid inorganic support containing surface hydroxy groups: (c) a solid catalyst prepared from said supporte... | 12/26/2000 |
| 6156896 | Fluorous reaction and separation systems The present invention provides several methods of synthesis and separation in which organic/fluorous phase separation techniques are used to effect separations. The present invention also provides novel compositions of matter comprising fluorous Si, Sn an... | 12/05/2000 |
| 6051727 | Metallocenes containing aryl-substituted indenyl derivatives as ligands, process for their preparation, and their use as catalysts A very effective catalyst system for the polymerization or copolymerization of olefins comprises a cocatalyst, preferably an aluminoxane or a supported aluminoxane, and a metallocene of the formula I ##STR1## in which, in the preferred form, M1 | 04/18/2000 |
| 6022822 | Organotin compound and catalyst for transesterification comprising the same The present invention provides a catalyst for transesterification comprising an organotin compound expressed by the following general formula (I): ##STR1## wherein, X, Y, and Z represent, respectively and independently, an alkoxyl group, alkylth... | 02/08/2000 |
| 5777121 | Fluorous reaction systems The present invention provides a method for carrying out a chemical reaction comprising the steps of forming an organic/fluorous solubilizing liquid phase comprising a solvent system. The solvent system is selected or adapted to substantially solubilize a... | 07/07/1998 |
| 5759941 | Process for the preparation of dialkyltin dialkoxide from alkyl carbamate and alcohol A process for making a catalyst product which comprises reacting dialkyltin oxide with an alcohol and the corresponding alkyl carbamate at a temperature in the range between about 160 to 190° C. and at an autogenous pressure, wherein the catalyst product... | 06/02/1998 |
| 5545600 | Process for the preparation of dialkyltin dialkoxide A process for making a catalyst product which comprises reacting dialkyltin oxide with an alcohol and the corresponding dialkyl carbonate at a temperature in the range between about 50° to 200° C. and at a pressure in the range between about 75 to 600 p... | 08/13/1996 |
| 5401384 | Antimony and tin containing compound, use of such a compound as a passivating agent, and process for preparing such a compound An antimony and tin containing compound for passivating contaminant metals to which a catalyst is exposed during fluid catalytic cracking of hydrocarbons containing said contaminant metals, said compound having a composition as follows (R*)x Sb... | 03/28/1995 |
| 5354508 | Organotin stabilizer mixture An organotin stabilizer mixture comprising: (a) monoalkyltin mercaptoalcohol (b) a monoalkyltin mercaptoacid ester; and (c) a monoalkyltin sulfide provides improved early color, lubricity, and weatherability to rigid vinyl polymer formulations. The formul... | 10/11/1994 |
| 5155248 | Polyurethane catalysts Reaction products of dibutyl tin oxide with selected aromatic aminocarboxylic acids, a process for their preparation and their use as catalysts for the preparation of polyurethanes.... | 10/13/1992 |
| 5145976 | Polymeric diorganotin catalysts for use in polyurethane systems Useful as catalysts for the reaction of a polyisocyanate or a partially blocked polyisocyanate with a hydroxy-containing compound are organotin compositions obtained by reacting a diorganotin oxide of the formula R2 SnO of a diorganotin dichlor... | 09/08/1992 |
| 5136061 | Optically active pentane derivatives and intermediates thereof, and process for manufacturing same An optically active pentane compound of the general formula (I): ##STR1## wherein R1 represents a lower alkyl group having 1 to 4 carbon atoms, R2 represents a lower alkoxycarbonyl group having an alkoxy moiety of 1 to 4 carbon ... | 08/04/1992 |
| 5075468 | Optionally chelated tin(IV) compounds useful as latent catalysts Optionally chelated tetracoordinated or pentacoordinated tin(IV) compounds having the general formula: ##STR1## are useful latent catalysts in compositions for the preparation of polyurethanes, or for the crosslinking of organopolysiloxanes, by ... | 12/24/1991 |
| 5043463 | Novel compounds for the control of microorganisms The subject invention concerns novel compounds and methods for inhibiting the growth of microorganisms. Specifically, tin-containing polymers which are selectively active against Candida albicans are described. The invention further concerns a unique proc... | 08/27/1991 |
| 5041577 | Organogermanium compounds, processes for producing the same, and agent for inhibiting the activity of opioid peptide-degrading enzyme The present invention relates to (a) novel organogermanium compounds represented by the general formula (1) ##STR1## (R1 to R6 are independently a hydrogen atom or a lower alkyl group; X is a halogen atom; and Y1 and ... | 08/20/1991 |
| 5034551 | Process for recovery of organotin esters from reaction mixtures containing the same and re-use of the recovered organotin compounds A process which comprises extracting 1,3-diacyloxy-1,1,3,3-tetra(hydrocarbyl) distannoxane from a mixture containing 1,3-diacyloxy-1,1,3,3-tetra(hydrocarbyl)distannoxane, a sucrose-6-ester, and polar aprotic solvent, which process comprises the steps... | 07/23/1991 |
| 5026886 | Preparation of bidentate ligands A process is disclosed for preparing biaryl, bidentate ligands comprising: (1) contacting a biaryl compound having the structural formula: ##STR1## with a proton abstracting agent under conditions suitable to form a biaryl dianion, which is then (2) cont... | 06/25/1991 |
| 5008416 | Organogermanium compound, process for the preparation of same as well as use thereof An organogermanium compound of the formula ##STR1## wherein R1, R2, R3 and R4 are hydrogen atom, alkyl, substituted alkyl, phenyl or substituted phenyl, and R5 is a radical of ##STR2## ... | 04/16/1991 |
| 4977287 | Organogermanium compounds and process for producing the same The present invention provides (A) an organogermanium compound represented by the general formula (1) ##STR1## wherein X is a halogen atom and R is a hydrogen atom, a lower alkyl group or a phenyl group, or by the general formula (2) ##STR2## ... | 12/11/1990 |
| 4973553 | Salt or organogermanium compound and medicine containing the same The present invention provides salts of organogermanium compounds expressed by the following Formual (a): ##STR1## (wherein M denotes an oxygen or sulfur atom; and R1, R2, R3, and R4 may be the same or diff... | 11/27/1990 |
| 4968823 | Process for the fractional production of alkytin oxide A process for the fractional production of alkyltin oxides which comprises the steps of: subjecting a mono-, di- or trialkyltin halide to continuous hydrolysis at a temperature between 30° to 100° C. for a period of 10 minutes to 3 hours by the use of a... | 11/06/1990 |
| 4935408 | Organotin compounds and pesticides containing them A compound of the formula: ##STR1## in which R1 represents alkyl, cycloalkyl or aralkyl, R* represents fluorophenyl or trifluoromethylphenyl when R1 is alkyl; R* represents dichlorophenyl, neopentyl, trimethylsilylmethyl, dimeth... | 06/19/1990 |
| 4916247 | Organometal-containing compounds Organometal-containing styrene derivatives of the formula I ##STR1## in which, for example, M is Si, X is 0, R1 and R2 are hydrogen, R4 to R6 are each methyl, a is zero and R7 is hydrogen or meth... | 04/10/1990 |
| 4898955 | Meta-containing enolate compounds Trans-ଲ-lactams are prepared in a nearly quantitative yield by a condensation reaction of a new intermediate metal enolate and an appropriate imine. Certain new metal enolates are provided as intermediates.... | 02/06/1990 |
| 4886725 | Toner composition containing organotin oxide A triboelectrically chargeable composition for use in development of electrostatic latent images. The composition contains an organotin oxide represented by the formula: ##STR1## wherein R1 and R2 are the same or different group... | 12/12/1989 |
| 4841043 | Stereoselective synthesis of 1-ଲ-alkyl carbapenem antibiotic intermediates There is disclosed a process for producing carbapenam diazo intermediates of the formula ##STR1## wherein R1 is hydrogen or a hydroxy-protecting group, R2 is a lower alkyl having from 1-6 carbon atoms, and R3 represents a ... | 06/20/1989 |
| 4820829 | Substituted o-phthalaldehydes There are disclosed novel substituted o-phthalaldehydes of formula I ##STR1## wherein at least one of the substituents R1, R2, R3, R4 is Q(alkyl)3, --CH2 --Q(alkyl)3, --O--Q... | 04/11/1989 |
| 4795820 | Method of manufacturing tinorganic compounds and stabilizers A method of manufacture of tinorganic compounds.... | 01/03/1989 |
| 4785126 | 1,4-O-metallation process and composition This invention resides in a process for production of predominantly a 1,4-O-metallation product of a hydride of silicon, germanium, or tin with an ,ଲ-unsaturated carbonyl compound. The reaction involved takes place in the presence of a hetero... | 11/15/1988 |
