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    • 5. 发明申请
    • Generation of Chemical Building Blocks from Plant Biomass by Selective Depolymerization
    • 通过选择性解聚从植物生物量生成化学构件
    • US20090004697A1
    • 2009-01-01
    • US12138096
    • 2008-06-12
    • Andre KoltermannUlrich KettlingThomas BruckMarkus Rarbach
    • Andre KoltermannUlrich KettlingThomas BruckMarkus Rarbach
    • C12P19/00
    • C12N9/2434C12N9/0061C12P19/02C12P19/12C12P19/14C12P19/16C12P19/18C12P19/20C12P19/22C12P19/24C13B35/005C13K1/02C13K1/06C13K13/002
    • The invention concerns a method for the enzymatic treatment of raw polymeric feedstock comprising the following steps: (a) preferably separation of soluble components from the raw polymeric feedstock, (b) treating the raw polymeric feedstock with an enzyme system in order to liberate defined soluble monomeric or oligomeric building blocks from the insoluble raw polymeric feedstock; and (c) separating the defined monomeric or oligomeric building blocks produced in step b) from the remainder of the raw polymeric feedstock. Preferably, the enzyme system used in step b) contains not more than 50%, preferably not more than 20%, more preferably not more than 10%, more preferably not more than 5%, more preferably not more than 2%, more preferably not more than 1% of other enzyme activities apart from the enzyme activity resulting in liberation of said defined monomeric or oligomeric building blocks from the raw polymeric feedstock according to step b). Further aspects of the invention concern the use of “less pure” and thus less costly enzyme systems in subsequent enzymatic treatment steps and methods for determining the optimum sequence of enzymatic treatment steps by analysis of the raw polymeric feedstock used.
    • 本发明涉及用于酶处理原料聚合物原料的方法,包括以下步骤:(a)优选将可溶性组分与原料聚合原料分离,(b)用酶体系处理原料聚合物原料,以释放限定的可溶性 来自不溶性原料聚合原料的单体或低聚结构单元; 和(c)将步骤b)中制备的限定的单体或低聚结构单元与原始聚合原料的其余部分分离。 优选地,步骤b)中使用的酶系统含有不超过50%,优选不超过20%,更优选不超过10%,更优选不超过5%,更优选不超过2% 不超过1%的其它酶活性,除了酶活性,导致根据步骤b)从所述原料聚合物原料释放所述限定的单体或低聚结构单元。 本发明的另外方面涉及在随后的酶处理步骤中使用“较不纯”且因此较低成本的酶体系,以及通过分析所用原料聚合物原料来确定酶处理步骤的最佳顺序的方法。
    • 9. 发明授权
    • Generation of chemical building blocks from plant biomass by selective depolymerization
    • 通过选择性解聚从植物生物量生成化学积木
    • US08524471B2
    • 2013-09-03
    • US12138096
    • 2008-06-12
    • Andre KoltermannUlrich KettlingThomas BruckMarkus Rarbach
    • Andre KoltermannUlrich KettlingThomas BruckMarkus Rarbach
    • C12P19/02C12P21/04C12Q1/00
    • C12N9/2434C12N9/0061C12P19/02C12P19/12C12P19/14C12P19/16C12P19/18C12P19/20C12P19/22C12P19/24C13B35/005C13K1/02C13K1/06C13K13/002
    • The invention concerns a method for the enzymatic treatment of raw polymeric feedstock comprising the following steps: (a) preferably separation of soluble components from the raw polymeric feedstock, (b) treating the raw polymeric feedstock with an enzyme system in order to liberate defined soluble monomeric or oligomeric building blocks from the insoluble raw polymeric feedstock; and (c) separating the defined monomeric or oligomeric building blocks produced in step b) from the remainder of the raw polymeric feedstock. Preferably, the enzyme system used in step b) contains not more than 50%, preferably not more than 20%, more preferably not more than 10%, more preferably not more than 5%, more preferably not more than 2%, more preferably not more than 1% of other enzyme activities apart from the enzyme activity resulting in liberation of said defined monomeric or oligomeric building blocks from the raw polymeric feedstock according to step b). Further aspects of the invention concern the use of “less pure” and thus less costly enzyme systems in subsequent enzymatic treatment steps and methods for determining the optimum sequence of enzymatic treatment steps by analysis of the raw polymeric feedstock used.
    • 本发明涉及用于酶处理原料聚合物原料的方法,包括以下步骤:(a)优选将可溶性组分与原料聚合原料分离,(b)用酶体系处理原料聚合物原料,以释放限定的可溶性 来自不溶性原料聚合原料的单体或低聚结构单元; 和(c)将步骤b)中制备的限定的单体或低聚结构单元与原始聚合原料的其余部分分离。 优选地,步骤b)中使用的酶系统含有不超过50%,优选不超过20%,更优选不超过10%,更优选不超过5%,更优选不超过2% 不超过1%的其它酶活性,除了酶活性,导致根据步骤b)从所述原料聚合物原料释放所述限定的单体或低聚结构单元。 本发明的另外方面涉及在随后的酶处理步骤中使用“较不纯”且因此较低成本的酶体系,以及通过分析所用原料聚合物原料来确定酶处理步骤的最佳顺序的方法。