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| Number | Title | Issue Date |
| 5296469 | New sulfated diosmin derivative The diosmin heptakis (hydrogensulfate) aluminum complex is described, as l as its preparation procedure, characterized by reacting one mole of diosmin with seven moles of a sulfating agent in a dry medium and treatment with an aqueous aluminum hydroxyclo... | 03/22/1994 |
| 5104980 | Chromogenic dibenzoxazepinone and dibenzothiazepinone enzyme substrates Chromogenic enzyme substrate compounds comprising a dibenz[b,e][1,4]oxazepinone or dibenzo[b,e][1,4]thiazepinone nucleus having an enzyme-cleavable group such as a radical of a sugar, carboxylic acid, amino acid, peptide, phosphoric acid, or sulfuric acid... | 04/14/1992 |
| 4999423 | Acylated anthocyanin and process for producing the same as well as pigment composition containing the same A novel acylated anthocyanin of the formula: ##STR1## (wherein R1 and R2 may be the same or different and each represents a hydrogen atom, a ferulyl group or a caffeyl group; R3 and R4 may be the same or di... | 03/12/1991 |
| 4894449 | Diosmin octakis (hydrogen sulfate) aluminum complex The invention refers to the preparation of diosmin octakis (hydrogen sulfate) aluminum complex, a new derivative of diosmin, by reaction of diosmin with a sulfating agent, such as sulfur trioxide-pyridine complex, sulfur trioxide-trimethylamine complex an... | 01/16/1990 |
| 4617292 | Pharmaceutical compositions and method for inhibiting histamine release tocopheryl glycoside A pharmaceutical composition for producing antiallergic activity containing as an active ingredient a certain tocopherol derivative having a sugar residue at 6-position of the 3,4-dihydrobenzopyrane ring thereof. A method for producing antiallergic activi... | 10/14/1986 |
