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    • 3. 发明申请
    • Sunscreen compositions and methods
    • 防晒组合物和方法
    • US20080286217A1
    • 2008-11-20
    • US11803188
    • 2007-05-14
    • Ratan K. Chaudhuri
    • Ratan K. Chaudhuri
    • A61K8/00A61P17/00
    • A61Q17/04A61K8/347
    • Sunscreen compositions are provided for protecting skin from sun-induced damage comprising (i) at least one UV-B or UV-A/UV-B sunblock active, (ii) at least one meroterpene and (iii) a dermatological acceptable carrier. Preferably, the sunblock active will be a UV-A/UV-B sunblock active or said sunscreen compositions will further comprise at least one UV-A sunblock active. Suitable meroterpenes include plant extracts having one or more meroterpene-enriched fractions, especially suited are Bakuchiol and derivatives of Bakuchiol. These skin protective compositions may optionally include an effective amount of one or more skin protective ingredients such as antioxidants, vitamins, anti-inflammatory agents, self-tanning agents and mixtures thereof.
    • 提供防晒组合物以保护皮肤免受太阳诱发的损伤,包括(i)至少一种UV-B或UV-A / UV-B防晒剂活性物质,(ii)至少一种炔诺酮和(iii)皮肤病学可接受的载体。 优选地,防晒剂活性剂将是UV-A / UV-B防晒剂活性剂,或者所述防晒组合物还将包含至少一种UV-A防晒剂活性剂。 合适的mer萜包括具有一种或多种富萜烯富集级分的植物提取物,特别适合的是Bakuchiol和Bakuchiol的衍生物。 这些皮肤保护组合物可以任选地包括有效量的一种或多种皮肤保护成分,例如抗氧化剂,维生素,抗炎剂,自鞣剂及其混合物。
    • 9. 发明授权
    • Water-soluble biologically active ammonium salts
    • 水溶性生物活性铵盐
    • US5384406A
    • 1995-01-24
    • US058567
    • 1993-05-06
    • Kolazi S. NarayananRatan K. ChaudhuriRobert B. Login
    • Kolazi S. NarayananRatan K. ChaudhuriRobert B. Login
    • C07D207/20C07D211/76C07D223/10C07D211/40
    • C07D223/10C07D207/20C07D211/76
    • This invention relates to hydrolysis resistant, water-soluble ammonium salt solids which are biologically active and which are described by the formula ##STR1## wherein m has a value of from 1 to 3; n has a value of from 1 to 4 and is equal to the free valences in anion R; p has a value of from 1 to 3; R.sub.1, R.sub.2 and R.sub.3 are each independently selected from the group of hydrogen, and C.sub.1 to C.sub.2 alkyl; R.sub.5 and R.sub.6 are each independently selected from the group of hydrogen, hydroxyalkyl and alkoxyalkyl radicals having from 1 to 10 carbon atoms and R is the anion of a biologically active, water-insoluble anion having at least 1 deprotonized hydrogen and is derived from a biologically active, acidic, organic compound selected from the group of a carboxylic, thiocarbonic, sulfonic, sulfinic, thiosulfonic, thioacid, mono- and di-thiophosphate and phosphorous containing acid, having a pKa* value less than 5.* negative logarithm, base 10, of the dissociation constant, Ka
    • 本发明涉及具有生物活性且由下式描述的抗水解的水溶性铵盐固体,其中m具有1至3的值; n的值为1至4,等于阴离子R中的游离价; p的值为1到3; R 1,R 2和R 3各自独立地选自氢和C 1至C 2烷基; R5和R6各自独立地选自具有1-10个碳原子的氢,羟基烷基和烷氧基烷基,R是具有至少1个去质子化氢的生物活性的水不溶性阴离子的阴离子,并且衍生自生物学上 活性的,酸性的,选自羧基,硫代碳酸,磺酸,亚磺酸,硫代磺酸,硫代酸,单 - 和二 - 硫代磷酸和含磷酸的有机化合物,其pKa *值小于5. *负对数,碱10 的解离常数Ka
    • 10. 发明授权
    • Alkyl vinyl ether polymers containing a lactam functionality
    • 含有内酰胺官能团的烷基乙烯基醚聚合物
    • US5322898A
    • 1994-06-21
    • US114127
    • 1993-08-30
    • Ratan K. ChaudhuriJenn S. Shih
    • Ratan K. ChaudhuriJenn S. Shih
    • C08F8/14C08F8/12C08F8/30C08F16/16C08F20/02C08F22/36C08F216/16C08F222/02C08F222/04C08F222/38
    • C08J5/18C08F8/44C08F8/48C08F2810/50C08J2371/12Y10T428/31739
    • The invention relates to polymers containing units of the structure ##STR1## or mixtures of A with more than one of B, B-1 and B-2; wherein R and R.sup.1 are each independently C.sub.1 to C.sub.18 alkyl;R.sup.2 is oxygen, sulfur or --NR.sup.5 --;R.sup.5 is hydrogen or lower alkyl;R.sup.3 is alkylene having from 3 to 6 carbon atoms, optionally mono- or di- substituted with lower alkyl;W is hydrogen, --NH.sub.4, an alkali metal or an alkaline earth metal;Y is alkylene;Z is hydrogen, --NH.sub.4, an alkali metal or an alkaline earth metal or mixtures thereof;X is lower alkyl, a hydroxy phenyl radical or mixtures thereof;t has a value of from 2 to 8 andm, m', m" and n independently have a value of from 30 to 3,500 and n represents at least 5 mole percent of the polymeric product. The invention is also releated to the synthesis of the above polymers and to their use as superior adhesives which have significantly improved bond strength.
    • 本发明涉及含有结构单元A,B,B-1的聚合物。 或 B-2。 或A与B,B-1和B-2中的一种以上的混合物; 其中R和R 1各自独立地为C 1至C 18烷基; R2是氧,硫或-NR5-; R5是氢或低级烷基; R3是具有3至6个碳原子的亚烷基,任选被低级烷基单取代或二取代; W是氢,-NH4,碱金属或碱土金属; Y是亚烷基; Z是氢,-NH4,碱金属或碱土金属或其混合物; X是低级烷基,羟基苯基或其混合物; t的值为2至8,m,m',m“和n独立地具有30至3,500的值,n表示聚合物的至少5摩尔%。 本发明还涉及上述聚合物的合成以及它们作为具有明显改善的粘结强度的优异粘合剂的用途。