专利号:US-6482977-B1 优先权日:2000-07-28 标 题:Melt process for the synthesis of diaryl esters of aliphatic diacids 发明人:WHITNEY JOHN MORGAN; FABER REIN MOLLERUS; BOVEN GEERT; LENS JAN-PLEUN 权利人:GEN ELECTRIC 摘要:This invention relates to a method for preparing diaryl esters, comprising the step of reacting a mixture comprising diaryl carbonate and a dicarboxylic acid, wherein 2.005 to 2.2 molar equivalents of diaryl carbonate per molar equivalent of dicarboxylic acid are provided.
专利号:WO-2025124974-A1 优先权日:2023-12-11 标题:Synthesis of fumed nanostructured lithium borate powder 发明人:TAKATA Ryo; SCHMIDT FRANZ; SCHÄFER DURDU; WIEGAND ARMIN; HEINDL NICO; KANEEDA MASANOBU; ESKEN DANIEL; HERZOG MARCEL; KANNO RYOJI; NOMOTO KUNIHARU 权利人:EVONIK OPERATIONS GMBH 摘要:A method for making fumed lithium borate, the method comprising: preparing a solution of a lithium precursor, preferably a lithium carboxylate containing 5 to 20 carbon atoms, and a boron source, preferably an organic boron compound, feeding the solution to a flame burning in a flame reaction zone to produce a fumed product comprising fumed lithium borate particles; and obtaining the fumed product.
专利号:US-4880775-A 优先权日:1989-02-01 标题 :Poly-alkylated benzodioxin musk compositions 发明人:CHRISTENSON PHILIP A; DRAKE BRIAN; RIKER PAUL J 权利人:BASF K & F CORP 摘要:The present invention relates to novel poly-alkylated benzodioxin compounds possessing a musk-like aroma which are useful as fragrance materials. The compounds of the invention have the formula: where R1 to R4 are hydrogen or lower alkyl (C1 to C5), provided that the compound has no more than 18 carbon atoms. The invention provides for synthesis of a novel phenolic intermediate and synthesis of the compounds of the invention. The invention also provides fragrance compositions which utilize the compounds of the invention to modify, enhance, or impart a musk-like aroma to perfume compositions, colognes and perfumed articles.
专利号:US-10253165-B2 优先权日:2015-02-26 标 题 :Control of organic impurities in polycarbonate synthesis 发明人:BOJARSKI AARON DAVID; GARCIA AGUDO JORGE A 权利人:SABIC GLOBAL TECHNOLOGIES BV 摘要:Polymerization processes comprising melt polymerizing a carbonate and a dihydroxy compound in the presence of an amount of a beta organic catalyst so as to give rise to a polycarbonate product, wherein the amount of beta organic catalyst comprises at least one onium salt and also comprises triphenyl phosphonium oxide (TPPO), and wherein the TPPO represents less than about 0.3 weight % of the sum of the weights of the at least one onium salt and the TPPO in the amount of beta organic catalyst.
专利号:WO-2006097348-A1 优先权日:2005-03-15 标 题:Use of agents such as nonpolymeric nitric oxide donors for making the lips full again and/or colouring the lips 发明人:CALS-GRIERSON MARIE-MADELEINE 权利人:OREAL; CALS-GRIERSON MARIE-MADELEINE 摘要:The invention relates in particular to the cosmetic use (i) of at least one agent for promoting the production of NO in and/or on the lips, chosen from nitric oxide NO donors or precursors; nonpolymeric NO releasers; and NO synthase synthesis and/or activity stimulators; or (ii) of other agents for promoting microcirculation in the skin, chosen from potassium channel openers; calcium channel blockers; phosphodiesterase inhibitors; flavonoids; vasodilator peptides that are not NO donors; temperature modulators; agents for promoting the stimulation and/or maintenance of angiogenesis; agents for promoting the stimulation of endothelial cell proliferation; agents for promoting endothelial cell migration; and mixtures thereof, in a makeup and/or care composition for the lips, as an agent for naturally making the lips full again and/or naturally coloring the lips. It also relates to specific care and/or makeup compositions for the lips containing said agent, and also to a cosmetic process aimed at making the lips naturally full and/or colored, using said compositions .
专利号:US-2023093326-A1 优先权日:2020-06-19 标 题 :Polyester Carbonates on the Basis of Cycloaliphatic Diacids, 1,4:3,6-Dianhydrohexitol and Specific Amounts of an Additional Aliphatic Dihydroxy Compound 发明人:MEYER ALEXANDER; SCHULZ LUKAS FABIAN; PFINGST THOMAS 权利人:COVESTRO DEUTSCHLAND AG 摘要:The present invention relates to a process for preparing a polyester carbonate on the basis of cycloaliphatic diacids and at least one 1,4:3,6-dianhydrohexitol and at least one additional aliphatic dihydroxy compound, to the polyester carbonate prepared according to the process and to a molding compound and a molding body containing the polyester carbonate. The process according to the invention is a direct synthesis, in which all structural elements forming the subsequent polyester carbonate are present as monomers already in the first process step. It is characterized in that a specific ratio of 1,4:3,6-dianhydrohexitol and the at least one additional aliphatic dihydroxy compound is advantageous.
1: Dong J, McCormick AV, Davis HT, Whitcomb DR. Cation-controlled crystal growth of silver stearate: cryo-TEM investigation of lithium vs sodium stearate. Langmuir. 2010 Feb 16;26(4):2263-7. doi: 10.1021/la902697t. doi: 10.1021/jf204275q. Epub 2012 Feb 23.
合成参考文献
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