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Created with Raphaël 2.1.0 15.02.1996 Formal examination (assignment of filing date) 30.06.1997 Publication of the decision of grant (F1) 31.12.1997 Completion of the opposition filing period 31.03.1998 Issuance of patent (G2) 28.02.2001 Publication of the decision of forfeiture, the term of re-establishment has expired

Patent expired


(11)Number of the document747
(21)Number of the application96-0069
(22)Filing date of the application1996.02.15
 Date of filing the request for examination (pe raspunderea solicitantului) 15.02.1996
(71)Name(s) of applicant(s), code of the countryATELIERUL EXPERIMENTAL DE CREATIE LTD, MD;
(72)Name(s) of inventor(s), code of the countryKOVALIOV Olga, MD; KOVALIOV Victor, MD; COSOV Igor, MD;
(73)Name(s) of owner(s), code of the countryATELIERUL EXPERIMENTAL DE CREATIE LTD, MD;
(54)Title of the inventionProcess for regeneration of the metal etching spent solution and device for realization thereof
(13)Kind-of-document code
G2, BOPI 04/1998
F1, BOPI 06/1997
(51)International Patent Classification C02F 1/461 (2006.01); C23F 1/46 (2006.01); C23G 1/36 (2006.01);
(19)CountryMD
(45)Date of publication of patent granting decision:1997.06.30
(47)Date of issuance of patent1998.02.28
 Payment for maintenance up to the date1996.02.15
 Date of patent termination1996.02.15
 Date of publication of the termination of patent, with the right of restoration2000.06.30
 Date of publication of the termination of patent, without the right of restoration2001.02.28
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