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Created with Raphaël 2.1.0 17.01.1994 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 17.01.1999 Valid until 30.11.2002 Publication of the decision of forfeiture, the term of re-establishment has expired

Patent expired


(11)Number of the document18
(21)Number of the application94-0062
(22)Filing date of the application1994.01.17
 Date of filing the request for examination (de fond) 17.01.1994
(71)Name(s) of applicant(s), code of the countryNOVARTIS AG, CH;
(72)Name(s) of inventor(s), code of the countryNYFELER ROBERT, CH; JOSEF EHRENFREUND, AT;
(73)Name(s) of owner(s), code of the countryNOVARTIS AG, CH;
(54)Title of the inventionThe method of obtaining 3-(2,2 difluorbenzodioxol-4-il)-4-cianopyrol
(13)Kind-of-document code
C2, BOPI 06/1994
B1, BOPI 05/1994
(51)International Patent Classification C07D 207/34 (2006.01);
(19)CountryCH
(45)Date of publication of patent granting decision:1994.05.31
(47)Date of issuance of patent1994.05.19
(74)Patent attorneySOCOLOVA Sofia, Str. Drumul Viilor nr. 42, bloc 3, ap. 60, MD-2021, Chiєinгu, Republica Moldova
 Payment for maintenance up to the date1999.01.17
 Date of patent termination1999.01.17
 Date of publication of the termination of patent, with the right of restoration2002.02.20
 Date of publication of the termination of patent, without the right of restoration2002.11.30
 Change of the applicant
Nr. şi data deciziei:3407, 1997.11.25
Datele iniţiale:Ciba-Geigy AG, CH
Datele finale:NOVARTIS AG, CH
 Change of the owner
Nr. şi data deciziei:3407, 1997.11.25
Datele iniţiale:Ciba-Geigy AG, CH
Datele finale:NOVARTIS AG, CH
(30*)Priority of the former USSR application4028745/23-04, 1986.12.18, SU
(10*)Title of protection of the former USSR1491334, SU
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