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Created with Raphaël 2.1.0 25.03.1994 Formal examination (assignment of filing date) 31.08.1994 Publication of the decision of grant (B1) 28.02.1995 Completion of the opposition filing period 31.03.1995 Issuance of patent (C2) 24.03.2009 Publication of expiration of the patent

Patent expired


(11)Number of the document57
(21)Number of the application94-0070
(22)Filing date of the application1994.03.25
 Date of filing the request for examination (de fond) 25.03.1994
(71)Name(s) of applicant(s), code of the countryHAFSLUND NYCOMED PHARMA AKTIENGESELLSCHAFT, AT;
(72)Name(s) of inventor(s), code of the countryHans Peter Wagner, AT;
(73)Name(s) of owner(s), code of the countryHAFSLUND NYCOMED PHARMA AKTIENGESELLSCHAFT, AT;
(54)Title of the inventionProcess for obtaining compound ethers of the 5-chlor-3-chlorsukphonyl-2-thiophencarbonic acid.
(13)Kind-of-document code
C2, BOPI 04/1995
B1, BOPI 08/1994
(51)International Patent Classification C07D 333/40 (2006.01);
(19)CountryAT
(45)Date of publication of patent granting decision:1994.08.31
(47)Date of issuance of patent1995.03.22
(30)PriorityA 1123/88, 1988.05.02, AT
(74)Patent attorneySOCOLOVA Sofia, Str. Drumul Viilor nr. 42, bloc 3, ap. 60, MD-2021, Chiєinгu, Republica Moldova
 Expired patents; Date of expiration2010.01.31
 Payment for maintenance up to the date2009.03.24
(30*)Priority of the former USSR application4613917/04, 1989.04.25, SU
(10*)Title of protection of the former USSR1704632, SU
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