CAS: 117-81-7; Dehp

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专利信息

专利号:US-6184168-B1
优先权日:1997-09-22
标题:Synthesis of 1,4-trans-polybutadiene using a lanthanide organic acid salt catalyst
发明人：LYNCH THOMAS J
权利人:BRIDGESTONE CORP
摘要:The invention provides a catalyst composition, comprising: (a) an organolithium compound; and, (b) an organic acid salt of lanthanide series element; wherein: (1) only components (a) and (b) are required to promote the synthesis of 1,4-trans-polybutadiene; (2) the ratio of component (a) to component (b) is selected to maximize formation of the trans structure of said 1,4-trans-polybutadiene; and, (3) components (a) and (b) are selected for enabling further diblock synthesis. The invention further contemplates a process for using the catalyst to synthesize 1,4-trans-polybutadiene and other polymers and copolymers having trans configuration in the conjugated diene monomer contributed units.

专利号:US-2024239737-A1
优先权日:2023-01-13
标题 :Synthesis of Triisoamyl Citrate (Triisopentanol) and its Applications as a Solvent, Plastizer and Component of Cosmetic and Aerosol Formulations
发明人：SATO SETSUO
权利人:BRASIL BIO FUELS S A
摘要:The present invention is based on the synthesis of triisoamyl citrate (triisopentanol citrate) and its applications as a plasticizer for polyvinyl chloride polymers, natural and synthetic rubbers, industrial solvents, replacing petrochemical-based products such as Phthalates (Dioctyl Phthalate, Diisononyl Phthalate, Dibutyl Phthalate), Acetylated tributylcitrate, epoxidized fatty esters, isoparaffins. It is a 100% renewable, high-performance, non-toxic, biodegradable product with an extremely competitive cost. With the increase in corn alcohol production in Brazil, this technology and product adds value to the fusel oil co-product generated in corn alcohol plants.

专利号:US-5166110-A
优先权日:1989-12-22
标 题 :Process for the synthesis of ziegler-type catalytic solids or solid constituents of the same
发明人：BRUN CLAUDE
权利人:ATOCHEM ELF SA
摘要:A process is provided for the synthesis of a solid Ziegler catalyst or of a transition metal solid constituent thereof, which entails preparing the solid catalyst or constituent thereof as a suspension in an inert liquid medium by contacting precursors or ingredients of the catalyst or of the constituent in the inert liquid medium in one or more steps, and drying the suspension, and collecting the catalyst or constituent thereof; and wherein the process is conducted in a single multi-function reactor having a longitudinal axis and which can pivot around an axis which intersects perpendicularly with this axis.

专利号:EP-0398783-B1
优先权日:1989-05-19
标题 :Process for the synthesis of acyl cyanides
发明人：DEVIC MICHEL; TELLIER PIERRE
权利人:ATOCHEM ELF SA
摘要:Process for the synthesis of acyl cyanides of formula: in which R denotes an alkyl, cycloalkyl or aryl radical or a heterocyclic residue, consisting in reacting acyl halides of formula: in which R has the above definition and X denotes a halogen, with alkali metal cyanides, characterised in that the reaction takes place in the presence of a product containing alkylene oxide units and in the presence of catalytic quantities of water.

专利号:EP-1383732-B1
优先权日:2001-05-04
标题:Labelling reagents, method for synthesis of said reagents and methods for detecting biological molecules
发明人：BOURGET CECILE; LHOMME JEAN; LAAYOUN ALI; KOTERA MITSUHARU; TREVISIOL EMMANUELLE; MENOU LIONEL; BERNAL MENDEZ ELOY
权利人:BIO MERIEUX; UNIV GRENOBLE 1; CENTRE NAT RECH SCIENT
摘要:The invention concerns a temperature-stable labelling reagent of formula (I), wherein: R<1> represents H or an alkyl, aryl or substituted aryl group; R<2> represents a detectable marker or at least two detectable markers linked together by at least a multimeric structure; L is a linking arm comprising a linear catemer concatenation of at least two covalent bonds; and n is an integer equal to 0 or 1; R<3> and R<4> represent, independently of each other: H, NO2, Cl, Br, F, I, R<2>-(L)n-Y-X-, OR, SR, NR2, R, NHCOR, CONHR, COOR with R = alkyl or aryl, A is a linking arm comprising at least a double bond enabling the conjugation of the diazo function with the aromatic cycle; and u is a whole number between 0 and 2, preferably between 0 and 1; and -Y-X- represents -CONH-, -NHCO-, -CH2O-, -CH2S-. The invention also concerns a method for the synthesis of said markers and uses for labelling biological molecules, in particular nucleic acids, with a labelling reagent bearing the diazomethyl function. The invention is particularly applicable in the field of diagnosis.

专利号:US-11745159-B2
优先权日:2017-10-20
标题:Heated nanowells for polynucleotide synthesis
发明人：MARSH EUGENE P; INDERMUHLE PIERRE F; PECK BILL JAMES
权利人:TWIST BIOSCIENCE CORP
摘要:Defined sequence RNA synthesis by 3′→5′ direction is now well established and currently in use for synthesis and development of vast variety of therapeutic grade RNA and Si RNA etc. A number of such synthetic RNA requires a modification or labeling of 3′-end of an oligonucleotide. The synthesis of 3′-end modified RNA requiring lipophilic, long chain ligands or chromophores, using 3′→5′ synthesis methodology is challenging, requires corresponding solid support and generally results in low coupling efficiency and lower purity of the final oligonucleotide in general because of large amount of truncated sequences containing desired hydrophobic modification. We have approached this problem by developing reverse RNA monomer phosphoramidites for RNA synthesis in 5′→3′-direction. They lead to very clean oligonucleotide synthesis allowing for introduction of various modifications at the 3′-end.