Brevet nevalabil


(11)Number of the document3097
(21)Number of the applicationa 2005 0359
(22)Filing date of the application2005.12.06
 Date of filing the request for examination (pe raspunderea solicitantului)
(71)Name(s) of applicant(s), code of the countryINSTITUTUL DE CHIMIE, MD;
(72)Name(s) of inventor(s), code of the countryLUPASCU Tudor, MD; NASTAS Raisa, MD;
(73)Name(s) of owner(s), code of the countryINSTITUTUL DE CHIMIE AL ACADEMIEI DE STIINTE A MOLDOVEI, MD;
(54)Title of the inventionProcess for underground water purification from sulphureted hydrogen and/or sulphides
(13)Kind-of-document code
G2, BOPI 03/2007
F1, BOPI 07/2006
(51)International Patent Classification C02F 1/20 (2006.01); C02F 1/28 (2006.01); C02F 1/58 (2006.01); C02F 1/74 (2006.01); C01B 31/08 (2006.01);
(19)CountryMD
(45)Date of publication of patent granting decision:2006.07.31
(47)Date of issuance of patent2007.03.31
 Substantive examiner(s)CIOCĂ‚RLAN Alexandru
 Payment for maintenance up to the date2010.12.06
 Date of patent termination2010.12.06
 Date of publication of the termination of patent, with the right of restoration2011.07.31
 Date of publication of the termination of patent, without the right of restoration2012.07.31

13.05.2025