| (11) | Number of the document | 85 |
| (21) | Number of the application | 94-0218 |
| (22) | Filing date of the application | 1994.07.22 |
| | Date of filing the request for examination | (de fond) 22.07.1994 |
| (71) | Name(s) of applicant(s), code of the country | RUDIC Valeriu, MD; ISAC Victor, MD; GULEA Aurelian, MD; SOVA Sergiu, MD; DENCICOV Lidia, MD; GUDUMAC Valentin, MD; DAVID Svetlana, MD; |
| (72) | Name(s) of inventor(s), code of the country | RUDIC Valeriu, MD; ISAC Victor, MD; GULEA Aurelian, MD; SOVA Sergiu, MD; DENCICOV Lidia, MD; GUDUMAC Valentin, MD; DAVID Svetlana , MD; |
| (73) | Name(s) of owner(s), code of the country | RUDIC Valeriu, MD; ISAC Victor, MD; GULEA Aurelian, MD; SOVA Sergiu, MD; DENCICOV Lidia, MD; GUDUMAC Valentin, MD; DAVID Gheorghe, MD; |
| (54) | Title of the invention | The hydrosulphate ferrous dihydrazin (II) in condition for cultivating microalgae matter |
| (13) | Kind-of-document code | |
| (51) | International Patent Classification | A01N 33/26 (2006.01); C01B 17/96 (2006.01); C01B 21/16 (2006.01); C01G 49/00 (2006.01); |
| (19) | Country | MD |
| (45) | Date of publication of patent granting decision: | 1994.11.30 |
| (47) | Date of issuance of patent | 1994.11.04 |
| | Payment for maintenance up to the date | 1994.07.22 |
| | Date of patent termination | 1994.07.22 |
| | Date of publication of the termination of patent, with the right of restoration | 1996.12.31 |
| | Date of publication of the termination of patent, without the right of restoration | 1998.03.31 |
| (30*) | Priority of the former USSR application | 4828713, 1990.04.23, SU |
| (10*) | Title of protection of the former USSR | 1756270, SU |