Did You Know...
...that the x-ray was discovered purely by accident? When German physicist Wilhelm Konrad von Roentgen was experimenting with cathode rays in 1895, he put an activated Crookes tube in a book and went out to lunch. When he returned, he discovered that a key that had also been placed in the book showed up as an image on the developed film!
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| Number | Title | Issue Date |
| 5516794 | Xanthone derivatives, their preparation and use The novel compounds 3,6-Disubstituted xanthen-9-one of formula I ##STR1## in which R is a C3 -C8 linear, branched or cyclic alkyl and R1 is linear, branched C1 -C8 alkyl or cyclic C3 -... | 05/14/1996 |
| 4925870 | Therapeutic use of proanthocyanidine A2 as a cytoprotective agent There is described a process for preparing proanthocyanidine A2 by extraction from cortex or fruits of Aesculus hippocastanum and related species and its activity for stimulating healing processes, e.g. healing wounds and injuries of various origins, gast... | 05/15/1990 |
| 4925871 | Therapeutic use of proanthocyanidine A2 for treatment of vascular system There is described a process for preparing proanthocyanidine A2 by extraction from cortex or fruits of Aesculus hippocastanum and related species and its activity for stimulating healing processes, e.g. healing wounds and injuries of various origins, gast... | 05/15/1990 |
| 4886791 | Soluble derivatives of silybin, a method of preparing them, and pharmaceutical compositions containing them Novel water-soluble derivatives of silybin of enhanced activity are provided as well as methods of preparing the derivatives and pharmaceutical compositions containing them. The novel derivatives according to the invention have the following general formu... | 12/12/1989 |
| 4870179 | Process for preparing lysergol derivatives A method of preparing lysergol derivatives, particularly 10-methoxy lumilysergol, 1-methyl-10-methoxy-lumilysergol and C8 esters of 1-methyl-10-methoxy-lumilysergol, is provided characterized in that lysergol esters are subjected to p... | 09/26/1989 |
| 4863956 | Process for obtaining proanthocyanidine A2, pharmaceutical compositions and their therapeutic use There is described a process for preparing proanthocyanidine A2 by extraction from cortex or fruits of Aesculus hippocastanum and related species and its activity for stimulating healing processes, e.g. healing wounds and injuries of various origins, gast... | 09/05/1989 |
| 4709076 | Methods, compositions and compounds for the treatment of prostatic adenoma Unsaturated esters of formula I ##STR1## in which R1, R2 and R3, which are the same or different to one another, represent hydrogen, hydroxyl, methoxyl or acetoxyl; n is between 13 and 25; are useful in the treatment ... | 11/24/1987 |
| 4166861 | Pharmacologically active polyphenolic substances The pharmacological activity of epicatechin and of certain novel esters and ketals of catechin and of epicatechin is described. The use of said compounds in order to ellicit a choleretic, hypocholesterolimic, hypolipaemic or hepatoprotective effect is des... | 09/04/1979 |
| 4157894 | Production and analysis of ginseng root extract A method for producing a purified extract of ginseng root which comprises contacting an aqueous extract of ginseng root with a solid absorption resin so as to absorb active saponins contained in the extract on the resin and eluting active saponins from th... | 06/12/1979 |
