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    • 41. 发明授权
    • Test method for determining compounds capable of quenching electronic singlet state excitation of photoactive compounds
    • 用于测定能够淬灭光活性化合物的电子单线态激发的化合物的测试方法
    • US07776614B2
    • 2010-08-17
    • US11891280
    • 2007-08-09
    • Craig A. Bonda
    • Craig A. Bonda
    • G01N21/76
    • G01N21/6428G01N2021/6432Y10T436/2525
    • A method of testing a compound for its capability of quenching singlet excited state energy from a photon-excited photoactive compound, thereby photostabilizing said photoactive compound, comprising mixing: (1) a composition comprising a photoactive compound in a solvent and determining the degree of fluorescence of said composition (1) by exposing the composition (1) to UV radiation in an amount sufficient for the photoactive compound to reach an electronic singlet excited state, and (2) a mixture comprising said photoactive compound with a test compound in a solvent, and determining the degree of fluorescence of said mixture (2) by exposing the mixture to UV radiation to the same degree as composition (1), and comparing the degree of fluorescence of composition (1) with mixture (2).
    • 一种测试化合物其能够从光子激发的光活性化合物淬灭单重激发态能的能力的方法,由此使所述光活性化合物光稳定化,包括混合:(1)在溶剂中包含光活性化合物的组合物并测定荧光的程度 通过将组合物(1)暴露于足以使光活性化合物达到电子单重激发态的量的UV辐射,和(2)包含所述光活性化合物与测试化合物在溶剂中的混合物,所述组合物(1) 以及通过将混合物暴露于UV辐射至与组合物(1)相同的程度,并将组合物(1)的荧光与混合物(2)的比较来确定所述混合物(2)的荧光程度。
    • 43. 发明申请
    • METHOD OF QUENCHING ELECTRONIC EXCITATION OF CHROMOPHORE-CONTAINING ORGANIC MOLECULES IN PHOTOACTIVE COMPOSITIONS
    • US20090208435A1
    • 2009-08-20
    • US12432581
    • 2009-04-29
    • CRAIG A. BONDAAnna Pavlovic
    • CRAIG A. BONDAAnna Pavlovic
    • A61K8/40A61Q17/04
    • A61K8/40A61K2800/52A61Q17/04
    • The photostabilizing electronic excited state energy—particularly singlet state energy from a UV-absorbing molecule has been found to be readily transferred to (accepted by) α-cyanodiphenylacrylate compounds of formulas (I) and (V) having an alkoxy radical preferably in the four (para) position (hereinafter methoxycrylenes) on one or both of the phenyl rings: wherein at least one of R1 and R2 is a straight or branched chain C1-C12 alkoxy radical, preferably C1-C8, more preferably C1-C4, and most preferably methoxy, and any non-alkoxy radical R1 or R2 is hydrogen; and R3 is a straight or branched chain C1-C24 alkyl radical, preferably C12-C24, more preferably C20; wherein A and B are the same or different and are selected from the group consisting of oxygen, amino and sulfur; R1 and R3 are the same or different and are selected from the group consisting of C1-C30 alkyl, C2-C30 alkylene, C2-C30 alkyne, C3-C8 cycloalkyl, C1-C30 substituted alkylene, C2-C30 substituted alkyne, aryl, substituted aryl, heteroaryl, heterocycloalkyl, substituted heteroaryl and substituted heterocycloalkyl; R2 is selected from the group consisting of C1-C30 alkyl, C2-C30 alkylene, C2C30 alkyne, C3-C8 cycloalkyl, C1-C30 substituted alkyl, C3-C8 substituted cycloalkyl, C1-C30 substituted alkylene, C2-C30 substituted alkyne; R4, R5, R6 and R7 are the same or different and are selected from the group consisting of C1-C30 alkoxy straight chin on branched and a, b, c and d are each either 0 or 1, and a, b, c and d add up to 1, 2, 3, or 4.
    • 47. 发明授权
    • Photostabilization of resveratrol with alkoxycrylene compounds
    • 白藜芦醇与烷氧基亚芳基化合物的稳定化
    • US08263051B2
    • 2012-09-11
    • US13080247
    • 2011-04-05
    • Craig A. BondaAnna PavlovicJean Zhang
    • Craig A. BondaAnna PavlovicJean Zhang
    • A61K8/00A61K8/18A61Q17/04F21V9/04F21V9/06G02B5/22G02B5/26A61K38/43
    • A61K47/14A61K8/361A61K8/368A61K8/37A61K8/40A61K8/49A61K8/671A61K9/0014A61K31/05A61K2800/52A61Q17/04A61Q19/00A61Q19/08
    • The photostabilizing electronic excited state energy—particularly singlet state energy from resveratrol compounds—has been found to be readily transferred to (accepted by) α-cyanodiphenylacrylate compounds having an alkoxy radical in the four (para) position (hereinafter “alkoxycrylenes”) on one of the phenyl rings having the formula (I): wherein one of R1 and R2 is a straight or branched chain C1-C30 alkoxy radical, preferably C1-C8, more preferably methoxy, and the non-alkoxy radical R1 or R2 is hydrogen; and R3 is a straight or branched chain C1-C30 alkyl radical, preferably C2-C20. The alkoxycrylene compounds of formula (I) significantly increase the photostability of resveratrol compounds in a composition by at least 3-fold and as much as 10-fold or greater. The ability of the alkoxycrylene compounds to stabilize the resveratrol compound is concentration dependent, with the amount of resveratrol photostabilization increasing with the concentration of the alkoxycrylene compound.
    • 已经发现光稳定化电子激发态能量 - 特别是白藜芦醇化合物的单态能量 - 已经被发现容易地转移到(接受)在四(对)位置具有烷氧基的α-氰基二苯基丙烯酸酯化合物(以下称为“烷氧基烯”) 的具有式(I)的苯环:其中R 1和R 2中的一个是直链或支链C 1 -C 30烷氧基,优选C 1 -C 8,更优选甲氧基,并且非烷氧基R 1或R 2是氢; 并且R 3是直链或支链C 1 -C 30烷基,优选C 2 -C 20。 式(I)的烷氧基​​亚
      烷基化合物显着提高组合物中白藜芦醇化合物的光稳定性至少3倍和10倍或更高。 烷氧基化合物稳定白藜芦醇化合物的能力是浓度依赖性的,白藜芦醇光稳定化的量随着烷氧基化合物的浓度而增加。
    • 48. 发明授权
    • Method of quenching electronic excitation of chromophore-containing organic molecules in photoactive compositions
    • 在光活性组合物中淬灭含有发色团的有机分子的电子激发的方法
    • US08263050B2
    • 2012-09-11
    • US12432450
    • 2009-04-29
    • Craig A. BondaAnna Pavlovic
    • Craig A. BondaAnna Pavlovic
    • A61K8/18A01N43/40A61K31/44A61K38/43A61K8/00A61Q17/04
    • A61K8/40A61K2800/52A61Q17/04
    • The photostabilizing electronic excited state energy—particularly singlet state energy from a UV-absorbing molecule has been found to be readily transferred to (accepted by) α-cyanodiphenylacrylate compounds of formulas (I) and (V) having an alkoxy radical preferably in the four (para) position (hereinafter methoxycrylenes) on one or both of the phenyl rings: wherein at least one of R1 and R2 is a straight or branched chain C1-C12 alkoxy radical, preferably C1-C8, more preferably C1-C4, and most preferably methoxy, and any non-alkoxy radical R1 or R2 is hydrogen; and R3 is a straight or branched chain C1-C24 alkyl radical, preferably C12-C24, more preferably C20; wherein A and B are the same or different and are selected from the group consisting of oxygen, amino and sulfur; R1 and R3 are the same or different and are selected from the group consisting of C1-C30 alkyl, C2-C30 alkylene, C2-C30 alkyne, C3-C8 cycloalkyl, C1-C30 substituted alkylene, C2-C30 substituted alkyne, aryl, substituted aryl, heteroaryl, heterocycloalkyl, substituted heteroaryl and substituted heterocycloalkyl; R2 is selected from the group consisting of C1-C30 alkyl, C2-C30 alkylene, C2-C30 alkyne, C3-C8 cycloalkyl, C1-C30 substituted alkyl, C3-C8 substituted cycloalkyl, C1-C30 substituted alkylene, C2-C30 substituted alkyne; R4, R5, R6 and R7 are the same or different and are selected from the group consisting of C1-C30 alkoxy straight chin on branched and a, b, c and d are each either 0 or 1, and a, b, c and d add up to 1, 2, 3, or 4.
    • 已经发现光稳定化电子激发态能量 - 特别是来自UV吸收分子的单态能量已被发现易于转移到具有烷氧基的式(I)和(V)的α-氰基二苯基丙烯酸酯化合物(优选在四 (对位)位置(以下为甲氧基);其中R 1和R 2中的至少一个为直链或支链C 1 -C 12烷氧基,优选C 1 -C 8,更优选C 1 -C 4,最优选 优选甲氧基,任何非烷氧基R 1或R 2为氢; 并且R 3是直链或支链C 1 -C 24烷基,优选C 12 -C 24,更优选C 20; 其中A和B相同或不同,并且选自氧,氨基和硫; R 1和R 3相同或不同,选自C 1 -C 30烷基,C 2 -C 30亚烷基,C 2 -C 30炔基,C 3 -C 8环烷基,C 1 -C 30取代的亚烷基,C 2 -C 30取代的炔基,芳基, 取代的芳基,杂芳基,杂环烷基,取代的杂芳基和取代的杂环烷基; R 2选自C 1 -C 30烷基,C 2 -C 30亚烷基,C 2 -C 30炔基,C 3 -C 8环烷基,C 1 -C 30取代的烷基,C 3 -C 8取代的环烷基,C 1 -C 30取代的亚烷基,C 2 -C 30取代的 炔烃 R4,R5,R6和R7相同或不同,选自支链上的C1-C30烷氧基直链,a,b,c和d各自为0或1,a,b,c和 d加起来1,2,3或4。