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Created with Raphaël 2.1.0 09.02.1994 Formal examination (assignment of filing date) 30.06.1994 Publication of the decision of grant (B1) 30.11.1994 Issuance of patent (C2) 31.12.1994 Completion of the opposition filing period 09.02.2003 Valid until

Patent expired


(11)Number of the document27
(21)Number of the application94-0021
(22)Filing date of the application1994.02.09
 Date of filing the request for examination (de fond) 09.02.1994
(71)Name(s) of applicant(s), code of the countryNOVARTIS AG, CH;
(72)Name(s) of inventor(s), code of the countryHans Georg BRUNNER, CH;
(73)Name(s) of owner(s), code of the countryNOVARTIS AG, CH;
(54)Title of the inventionThe method of obtaining the derivatives of cyclohexanedioncarbonic acid
(13)Kind-of-document code
C2, BOPI 12/1994
B1, BOPI 06/1994
(51)International Patent Classification C07C 69/757 (2006.01);
(19)CountryCH
(45)Date of publication of patent granting decision:1994.06.30
(47)Date of issuance of patent1994.11.22
(30)Priority2693/83, 1983.05.18, CH
(74)Patent attorneySOCOLOVA Sofia, Str. Drumul Viilor nr. 42, bloc 3, ap. 60, MD-2021, Chiєinгu, Republica Moldova
 Payment for maintenance up to the date2003.02.09
 Change of the applicant
Nr. şi data deciziei:3405, 1997.11.25
Datele iniţiale:Ciba-Geigy AG, CH
Datele finale:NOVARTIS AG, CH
 Change of the owner
Nr. şi data deciziei:3405, 1997.11.25
Datele iniţiale:Ciba-Geigy AG, CH
Datele finale:NOVARTIS AG, CH
(30*)Priority of the former USSR application3740550/23-04, 1984.05.17, SU
(10*)Title of protection of the former USSR1400503, SU
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