| (11) | Number of the document | 4214 |
| (21) | Number of the application | a 2012 0054 |
| (22) | Filing date of the application | 2012.06.18 |
| | Date of filing the request for examination | (de fond) 18.06.2012 |
| (71) | Name(s) of applicant(s), code of the country | INSTITUTUL DE CHIMIE, MD; |
| (72) | Name(s) of inventor(s), code of the country | CIBOTARU Silvia, MD; CIOBANU Mihail, MD; BOTAN Victor, MD; LUPASCU Tudor, MD; SANDU Ion, RO; CRETU Anca-Monica, RO; NISTOR Andrei, MD; |
| (73) | Name(s) of owner(s), code of the country | INSTITUTUL DE CHIMIE AL ACADEMIEI DE STIINTE A MOLDOVEI, MD; |
| (54) | Title of the invention | Process for modifying the porous structure of activated coal impregnated with Cu(II) and its use for the treatment of underground waters from hydrogen sulfide and sulfides |
| (13) | Kind-of-document code | |
| (51) | International Patent Classification | C02F 1/74 (2006.01); C02F 101/10 (2006.01); C02F 103/06 (2006.01); C01B 31/10 (2006.01); C01B 31/12 (2006.01); B01J 20/20 (2006.01); B01J 20/30 (2006.01); B01J 21/18 (2006.01); B01J 38/70 (2006.01); |
| (19) | Country | MD |
| (45) | Date of publication of patent granting decision: | 2013.04.30 |
| (47) | Date of issuance of patent | 2013.11.30 |
| | Substantive examiner(s) | JOVMIR Tudor |
| | Payment for maintenance up to the date | 2018.06.18 |
| | Date of patent termination | 2018.06.18 |
| | Date of publication of the termination of patent, with the right of restoration | 2019.02.28 |
| | Date of publication of the termination of patent, without the right of restoration | 2020.01.31 |