| (11) | Number of the document | 875 |
| (21) | Number of the application | 97-0242 |
| (22) | Filing date of the application | 1997.09.02 |
| | Date of filing the request for examination | (de fond) 02.09.1997 |
| (71) | Name(s) of applicant(s), code of the country | INSTITUTUL DE CHIMIE, MD; |
| (72) | Name(s) of inventor(s), code of the country | LOZAN Raisa, MD; SANDU Maria, MD; ROPOT Valeriu, MD; |
| (73) | Name(s) of owner(s), code of the country | INSTITUTUL DE CHIMIE AL ACADEMIEI DE STIINTE A REPUBLICII MOLDOVA, MD; |
| (54) | Title of the invention | Nitrate ions determination method |
| (13) | Kind-of-document code | |
| (51) | International Patent Classification | G01N 31/22 (2006.01); |
| (19) | Country | MD |
| (45) | Date of publication of patent granting decision: | 1997.11.30 |
| (47) | Date of issuance of patent | 1998.02.28 |
| | Payment for maintenance up to the date | 2006.09.02 |
| | Date of patent termination | 2006.09.02 |
| | Date of publication of the termination of patent, with the right of restoration | 2007.06.30 |
| | Date of publication of the termination of patent, without the right of restoration | 2008.01.31 |
| (10*) | Title of protection of the former USSR | 1638619, 1988.12.05, SU |