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Created with Raphaël 2.1.0 25.02.1994 Formal examination (assignment of filing date) 31.05.1994 Publication of the decision of grant (B1) 31.05.1994 Issuance of patent (C2) 30.11.1994 Completion of the opposition filing period 25.02.1996 Valid until 30.12.1998 Publication of the decision of forfeiture, the term of re-establishment has expired

Patent expired


(11)Number of the document21
(21)Number of the application94-0086
(22)Filing date of the application1994.02.25
 Date of filing the request for examination (de fond) 25.02.1994
(71)Name(s) of applicant(s), code of the countryRICHTER GEDEON VEGYÉSZETI GYÁR RT., HU;
(72)Name(s) of inventor(s), code of the countryDr. Györdy Hajos, HU; Csaba Molnár, HU; Dr. Jozsef Tóth, HU; Dr. Arpád Király, HU; Dr. György Fekete, HU; Dr. László Szporny, HU; Dr. Lilla Fordacs, HU; Anna Boór née Mezei, HU; Piroska Major née Forstner, HU; Bulcsu Herényi, HU;
(73)Name(s) of owner(s), code of the countryRICHTER GEDEON VEGYÉSZETI GYÁR RT., HU;
(54)Title of the inventionThe method of obtaining 22(R,S)-11b, 21-dihidroxi-16a, 17 butylidenbisoxipregn-1,4-dien-3,20 dion
(13)Kind-of-document code
C2, BOPI 06/1994
B1, BOPI 05/1994
(51)International Patent Classification C07J 5/00 (2006.01);
(19)CountryHU
(45)Date of publication of patent granting decision:1994.05.31
(47)Date of issuance of patent1994.05.19
(30)Priority4355323, 1988.02.29, SU
(74)Patent attorneyGLAZUNOV Nicolae, Str. Trandafirilor nr. 31, bloc 1, ap. 111, MD-2038, Chişinău, Republica Moldova
 Payment for maintenance up to the date1996.02.25
 Date of patent termination1996.02.25
 Date of publication of the termination of patent, with the right of restoration1998.02.28
 Date of publication of the termination of patent, without the right of restoration1998.12.30
(30*)Priority of the former USSR application4355323/04, 1988.02.29, SU
(10*)Title of protection of the former USSR1711675, SU
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