| (11) | Number of the document | 4008 |
| (21) | Number of the application | a 2009 0069 |
| (22) | Filing date of the application | 2009.07.01 |
| | Date of filing the request for examination | (de fond) 01.07.2009 |
| (71) | Name(s) of applicant(s), code of the country | INSTITUTUL DE CHIMIE, MD; |
| (72) | Name(s) of inventor(s), code of the country | CIOBANU Mihail, MD; SANDU Ion, RO; LUPASCU Tudor, MD; BOTAN Victor, MD; 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 sewage water purification from methylene blue |
| (13) | Kind-of-document code | |
| (51) | International Patent Classification | C02F 1/28 (2006.01); C02F 1/72 (2006.01); B01J 20/20 (2006.01); B01J 21/18 (2006.01); C01B 31/08 (2006.01); C09B 21/00 (2006.01); |
| (19) | Country | MD |
| (45) | Date of publication of patent granting decision: | 2010.01.31 |
| (47) | Date of issuance of patent | 2010.10.31 |
| | Substantive examiner(s) | EGOROV Tamara |
| | Payment for maintenance up to the date | 2014.07.01 |
| | Date of patent termination | 2014.07.01 |
| | Date of publication of the termination of patent, with the right of restoration | 2015.03.31 |
| | Date of publication of the termination of patent, without the right of restoration | 2016.01.31 |