| (11) | Number of the document | 747 |
| (21) | Number of the application | 96-0069 |
| (22) | Filing date of the application | 1996.02.15 |
| | Date of filing the request for examination | (pe raspunderea solicitantului) 15.02.1996 |
| (71) | Name(s) of applicant(s), code of the country | ATELIERUL EXPERIMENTAL DE CREATIE LTD, MD; |
| (72) | Name(s) of inventor(s), code of the country | KOVALIOV Olga, MD; KOVALIOV Victor, MD; COSOV Igor, MD; |
| (73) | Name(s) of owner(s), code of the country | ATELIERUL EXPERIMENTAL DE CREATIE LTD, MD; |
| (54) | Title of the invention | Process for regeneration of the metal etching spent solution and device for realization thereof |
| (13) | Kind-of-document code | |
| (51) | International Patent Classification | C02F 1/461 (2006.01); C23F 1/46 (2006.01); C23G 1/36 (2006.01); |
| (19) | Country | MD |
| (45) | Date of publication of patent granting decision: | 1997.06.30 |
| (47) | Date of issuance of patent | 1998.02.28 |
| | Payment for maintenance up to the date | 1996.02.15 |
| | Date of patent termination | 1996.02.15 |
| | Date of publication of the termination of patent, with the right of restoration | 2000.06.30 |
| | Date of publication of the termination of patent, without the right of restoration | 2001.02.28 |