Brevet nevalabil


(11)Number of the document2496
(21)Number of the applicationa 2003 0198
(22)Filing date of the application2003.08.05
 Date of filing the request for examination (pe raspunderea solicitantului) 05.08.2003
(71)Name(s) of applicant(s), code of the countryINSTITUTUL DE CHIMIE, MD;
(72)Name(s) of inventor(s), code of the countryLUPASCU Tudor, MD; NASTAS Raisa, MD;
(73)Name(s) of owner(s), code of the countryINSTITUTUL DE CHIMIE AL ACADEMIEI DE STIINTE A REPUBLICII MOLDOVA, MD;
(54)Title of the inventionProcess for obtaining active coal from vegetal by-products with concomitant obtaining of phosphate solutions
(13)Kind-of-document code
G2, BOPI 03/2005
F1, BOPI 07/2004
(51)International Patent Classification C01B 31/08 (2006.01); C01B 31/12 (2006.01);
(19)CountryMD
(45)Date of publication of patent granting decision:2004.07.31
(47)Date of issuance of patent2005.03.31
 Substantive examiner(s)EGOROV Tamara
 Payment for maintenance up to the date2009.08.05
 Date of patent termination2009.08.05
 Date of publication of the termination of patent, with the right of restoration2010.03.31
 Date of publication of the termination of patent, without the right of restoration2011.03.31

03.04.2025