| (11) | Number of the document | 1690 |
| (21) | Number of the application | 98-0158 |
| (22) | Filing date of the application | 1998.06.15 |
| | Date of filing the request for examination | (de fond) 12.04.2000 |
| (71) | Name(s) of applicant(s), code of the country | INSTITUTUL DE FIZICA APLICATA AL ACADEMIEI DE STIINTE A MOLDOVEI, MD; |
| (72) | Name(s) of inventor(s), code of the country | PARSUTIN Vladimir, MD; SOLTOIAN Nicolae, MD; |
| (73) | Name(s) of owner(s), code of the country | INSTITUTUL DE FIZICA APLICATA AL ACADEMIEI DE STIINTE A MOLDOVEI, MD; |
| (54) | Title of the invention | Solution for conservation of the steam boilers interior surface |
| (13) | Kind-of-document code | |
| (51) | International Patent Classification | C23F 11/00 (2006.01); C23F 11/04 (2006.01); |
| (19) | Country | MD |
| (41) | Date of publication of the application | 2000.01.31 |
| (45) | Date of publication of patent granting decision: | 2001.06.30 |
| (47) | Date of issuance of patent | 2002.01.31 |
| | Substantive examiner(s) | CRASNOVA Nadejda |
| | Payment for maintenance up to the date | 1998.06.15 |
| | Date of patent termination | 1998.06.15 |
| | Date of publication of the termination of patent, with the right of restoration | 2002.05.30 |
| | Date of publication of the termination of patent, without the right of restoration | 2002.12.30 |