Global Patent Index - EP 3692050 A4

EP 3692050 A4 20210616 - A NEW CRYSTALLINE FORM OF ANHYDROUS 17-

Title (en)

A NEW CRYSTALLINE FORM OF ANHYDROUS 17-

Title (de)

NEUE KRISTALLINE FORM VON WASSERFREIEM 17-

Title (fr)

NOUVELLE FORME CRISTALLINE DE 17-

Publication

EP 3692050 A4 20210616 (EN)

Application

EP 18864585 A 20181003

Priority

  • PL 42304117 A 20171003
  • PL 2018050050 W 20181003

Abstract (en)

[origin: WO2019070139A1] A new crystalline form of anhydrous 17-β-estradiol (estra-l,3,5(10)-triene-3,17β-diol), method of its preparation and its use have been disclosed.

IPC 8 full level

C07J 1/00 (2006.01); A61K 31/565 (2006.01); A61P 5/30 (2006.01); A61P 15/18 (2006.01)

CPC (source: EP)

A61P 5/30 (2018.01); A61P 15/18 (2018.01); C07J 1/007 (2013.01); C07B 2200/13 (2013.01)

Citation (search report)

  • [XI] US 5997897 A 19991207 - HORSTMANN MICHAEL [DE], et al
  • [XI] US 2002168395 A1 20021114 - SAVOIR JOHN-CLAUDE [MX], et al
  • [XI] SALOLE E.G.: "The physicochemical properties of oestradiol", JOURNAL OF PHARMACEUTICAL AND BIOMEDICAL ANALYSIS, vol. 5, no. 7, 1 January 1987 (1987-01-01), AMSTERDAM, NL, pages 635 - 648, XP055802013, ISSN: 0731-7085, DOI: 10.1016/0731-7085(87)80076-6
  • [XI] KUHNERT-BRANDSTÄTTER UND H WINKLER M: "Thermoanalytische und IR-spektroskopische Untersuchungen an verschiedenen Kristallformen von Arzneistoffen aus der Östradiol- und Androstangruppe", SCIENTIA PHARMACEUTICA, OESTERREICHISCHE APOTHEKER-VERLAGSGESELLSCHAFT MBH, AUSTRIA, vol. 44, no. 3, 30 September 1976 (1976-09-30), pages 177 - 190, XP009527368, ISSN: 0036-8709
  • [XI] VARIANKAVAL N E ET AL: "Characterization of crystal forms of @b-estradiol - thermal analysis, Raman microscopy, X-ray analysis and solid-state NMR", JOURNAL OF CRYSTAL GROWTH, ELSEVIER, AMSTERDAM, NL, vol. 217, no. 3, 1 August 2000 (2000-08-01), pages 320 - 331, XP004213544, ISSN: 0022-0248, DOI: 10.1016/S0022-0248(00)00442-5
  • See also references of WO 2019070139A1

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

DOCDB simple family (publication)

WO 2019070139 A1 20190411; EP 3692050 A1 20200812; EP 3692050 A4 20210616; PL 236889 B1 20210222; PL 423041 A1 20190408

DOCDB simple family (application)

PL 2018050050 W 20181003; EP 18864585 A 20181003; PL 42304117 A 20171003