| (11) | Number of the document | 646 |
| (21) | Number of the application | 96-0087 |
| (22) | Filing date of the application | 1996.04.09 |
| | Date of filing the request for examination | (de fond) 09.04.1996 |
| (71) | Name(s) of applicant(s), code of the country | RUSU Vasile, MD; RUSU Petru, MD; LACUSTA Ion, MD; |
| (72) | Name(s) of inventor(s), code of the country | RUSU Vasile, MD; RUSU Petru, MD; LACUSTA Ion, MD; |
| (73) | Name(s) of owner(s), code of the country | RUSU Vasile, MD; RUSU Petru, MD; LACUSTA Ion, MD; |
| (54) | Title of the invention | Process for used engine oil regeneration |
| (13) | Kind-of-document code | |
| (51) | International Patent Classification | C10G 25/00 (2006.01); C10G 53/08 (2006.01); |
| (19) | Country | MD |
| (45) | Date of publication of patent granting decision: | 1996.12.31 |
| (47) | Date of issuance of patent | 1997.07.31 |
| | Payment for maintenance up to the date | 2001.04.09 |
| | Date of patent termination | 2001.04.09 |
| | Date of publication of the termination of patent, with the right of restoration | 2002.03.20 |
| | Date of publication of the termination of patent, without the right of restoration | 2002.12.30 |