"Method of preparation and isolation of betulin diacetate from birch bark from paper mills and its optional processing to betulin"@en . . "Method of preparation and isolation of betulin diacetate from birch bark from paper mills and its optional processing to betulin"@en . . . "11310" . . . "This patent deals with new method of preparation and isolation of betulin diacetate from birch bark, especially from birch bark utilized in paper mills describing all necessary steps and conditions for fast and efficient chemical processing of starting material to final betulin derivative. This patent also describes for optionalof betulin diacetate into pure betulin." . "149704" . "[7DE2304BC4CD]" . . . . "This patent deals with new method of preparation and isolation of betulin diacetate from birch bark, especially from birch bark utilized in paper mills describing all necessary steps and conditions for fast and efficient chemical processing of starting material to final betulin derivative. This patent also describes for optionalof betulin diacetate into pure betulin."@en . "Hajd\u00FAch, Marian" . . . . . "2012-12-19+01:00"^^ . "Univerzita Karlova v Praze, P\u0159\u00EDrodov\u011Bdeck\u00E1 fakulta;.Q.A., A.S.;Univerzita Palack\u00E9ho v Olomouci, L\u00E9ka\u0159sk\u00E1 fakulta" . "I, P(ED0030/01/01)" . "RIV/00216208:11310/12:10126726" . . . . "3"^^ . . "Evropsk\u00FD patentov\u00FD \u00FA\u0159ad" . "EP 2125860 B1" . . . "preparation method; isolation; betulin diacetate"@en . "https://register.epo.org/espacenet/application?number=EP08700828&tab=main" . . "\u0160arek, Jan" . "Munich, The Hague, Berlin, Vienna, Brussels" . . "1"^^ . "Method of preparation and isolation of betulin diacetate from birch bark from paper mills and its optional processing to betulin" . "Method of preparation and isolation of betulin diacetate from birch bark from paper mills and its optional processing to betulin" . . . "Svoboda, Michal" . "RIV/00216208:11310/12:10126726!RIV13-MSM-11310___" .