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    • 31. 发明申请
    • Methods for dehydration of sugars
    • 糖脱水方法
    • US20070173654A1
    • 2007-07-26
    • US11341968
    • 2006-01-26
    • Johnathan HolladayJianli HuXinjie ZhangYong Wang
    • Johnathan HolladayJianli HuXinjie ZhangYong Wang
    • C07D493/02
    • C07D493/04
    • The invention includes a method of dehydration of a sugar using a dehydration catalyst and a co-catalyst within a reactor. A sugar is introduced and H2 is flowed through the reactor at a pressure of less than or equal to about 300 psig to convert at least some of the sugar into an anhydrosugar product. The invention includes a process for producing isosorbide. A starting material comprising sorbitol is flowed into a reactor. H2 is counter flowed through the reactor. The starting material is exposed to a catalyst in the presence of a co-catalyst which comprises at least one metal. The exposing is conducted at a hydrogen pressure of less than or equal to 300 psig within the reactor and the hydrogen removes at least some of any water present during the exposing and inhibits formation of colored byproducts.
    • 本发明包括使用反应器内的脱水催化剂和助催化剂使糖脱水的方法。 引入糖,并且H 2 O 2以小于或等于约300psig的压力流过反应器,以将至少一些糖转化为脱水糖产物。 本发明包括制备异山梨醇的方法。 将含有山梨醇的原料流入反应器。 H 2反向流过反应器。 在包含至少一种金属的助催化剂的存在下,将原料暴露于催化剂。 暴露在反应器内在小于或等于300psig的氢气压力下进行,并且氢去除暴露期间存在的任何水中的至少一些,并且抑制着色副产物的形成。
    • 34. 发明授权
    • Method of performing sugar dehydration and catalyst treatment
    • 糖脱水和催化剂处理方法
    • US07728156B2
    • 2010-06-01
    • US11342146
    • 2006-01-26
    • Jianli HuJohnathan E. HolladayXinjie ZhangYong Wang
    • Jianli HuJohnathan E. HolladayXinjie ZhangYong Wang
    • C07C29/00C07D315/00C07D493/00C07H1/00C07H17/00C07H5/04C07H1/06C13K5/00
    • C07H1/00
    • The invention includes a method of treating a solid acid catalyst. After exposing the catalyst to a mixture containing a sugar alcohol, the catalyst is washed with an organic solvent and is then exposed to a second reaction mixture. The invention includes a process for production of anhydrosugar alcohol. A solid acid catalyst is provided to convert sugar alcohol in a first sample to an anhydrosugar alcohol. The catalyst is then washed with an organic solvent and is subsequently utilized to expose a second sample. The invention includes a method for selective production of an anhydrosugar. A solid acid catalyst is provided within a reactor and anhydrosugar alcohol is formed by flowing a starting sugar alcohol into the reactor. The acid catalyst is then exposed to an organic solvent which allows a greater amount of additional anhydrosugar to be produced than would occur without exposing the acid catalyst to the organic solvent.
    • 本发明包括一种处理固体酸催化剂的方法。 在将催化剂暴露于含有糖醇的混合物之后,用有机溶剂洗涤催化剂,然后暴露于第二反应混合物。 本发明包括生产脱水葡萄糖醇的方法。 提供固体酸催化剂以将第一样品中的糖醇转化为脱水葡萄糖醇。 然后将催化剂用有机溶剂洗涤,随后用于暴露第二个样品。 本发明包括选择性生产脱水糖的方法。 在反应器内提供固体酸催化剂,通过将起始糖醇流入反应器而形成脱水葡萄糖醇。 然后将酸催化剂暴露于有机溶剂,其允许比不会将酸催化剂暴露于有机溶剂而产生更多量的额外的脱水糖。
    • 35. 发明授权
    • Method of forming a dianhydrosugar alcohol
    • 形成二脱水糖醇的方法
    • US07649099B2
    • 2010-01-19
    • US11341961
    • 2006-01-26
    • Johnathan E. HolladayJianli HuYong WangTodd A. WerpyXinjie Zhang
    • Johnathan E. HolladayJianli HuYong WangTodd A. WerpyXinjie Zhang
    • C07C29/00C07D315/00C07D493/00C07H1/00C07H17/00C07H5/04C07H1/06C13K5/00
    • C07D307/20C07D493/04Y02P20/127
    • The invention includes methods of producing dianhydrosugars. A polyol is reacted in the presence of a first catalyst to form a monocyclic sugar. The monocyclic sugar is transferred to a second reactor where it is converted to a dianhydrosugar alcohol in the presence of a second catalyst. The invention includes a process of forming isosorbide. An initial reaction is conducted at a first temperature in the presence of a solid acid catalyst. The initial reaction involves reacting sorbitol to produce 1,4-sorbitan, 3,6-sorbitan, 2,5-mannitan and 2,5-iditan. Utilizing a second temperature, the 1,4-sorbitan and 3,6-sorbitan are converted to isosorbide. The invention includes a method of purifying isosorbide from a mixture containing isosorbide and at least one additional component. A first distillation removes a first portion of the isosorbide from the mixture. A second distillation is then conducted at a higher temperature to remove a second portion of isosorbide from the mixture.
    • 本发明包括生产二脱水甘油糖的方法。 多元醇在第一催化剂存在下反应形成单环糖。 将单环糖转移到第二反应器中,在第二反应器中,在第二催化剂的存在下将其转化为二脱水甘油醇。 本发明包括形成异山梨醇的方法。 在固体酸催化剂存在下,在第一温度下进行初始反应。 初始反应包括使山梨醇反应生成1,4-脱水山梨糖醇,3,6-脱水山梨糖醇,2,5-甘露聚糖和2,5-己烷。 利用第二温度,将1,4-脱水山梨醇和3,6-脱水山梨醇转化为异山梨醇。 本发明包括从含有异山梨醇和至少一种另外的组分的混合物中纯化异山梨醇的方法。 第一蒸馏从混合物中除去第一部分的异山梨醇。 然后在较高温度下进行第二次蒸馏以从混合物中除去第二部分的异山梨醇。
    • 40. 发明授权
    • Hydroxymethyl furfural oxidation methods
    • 羟甲基糠醛氧化法
    • US07700788B2
    • 2010-04-20
    • US11932436
    • 2007-10-31
    • Michael A. LilgaRichard T. HallenJianli HuJames F. WhiteMichel J. Gray
    • Michael A. LilgaRichard T. HallenJianli HuJames F. WhiteMichel J. Gray
    • C07D307/44
    • C07D307/48C07D307/44
    • A method of oxidizing hydroxymethylfurfural (HMF) includes providing a starting material which includes HMF in a solvent comprising water into a reactor. At least one of air and O2 is provided into the reactor. The starting material is contacted with the catalyst comprising Pt on a support material where the contacting is conducted at a reactor temperature of from about 50° C. to about 200° C. A method of producing an oxidation catalyst where ZrO2 is provided and is calcined. The ZrO2 is mixed with platinum (II) acetylacetonate to form a mixture. The mixture is subjected to rotary evaporation to form a product. The product is calcined and reduced under hydrogen to form an activated product. The activated product is passivated under a flow of 2% O2.
    • 氧化羟甲基糠醛(HMF)的方法包括在包含水的溶剂中将包含HMF的原料提供到反应器中。 将空气和O2中的至少一个提供到反应器中。 起始材料与包含Pt的催化剂在载体材料上接触,其中接触在约50℃至约200℃的反应器温度下进行。制备其中提供ZrO 2并被煅烧的氧化催化剂的方法 。 将ZrO 2与乙酰丙酮化铂(II)混合以形成混合物。 将混合物进行旋转蒸发以形成产物。 将产物在氢气下煅烧和还原以形成活化产物。 活化产物在2%O 2的流量下钝化。