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Created with Raphaël 2.1.0 21.06.1994 Formal examination (assignment of filing date) 30.11.1994 Publication of the decision of grant (B1) 31.05.1995 Completion of the opposition filing period 31.05.1995 Issuance of patent (C2) 09.01.2000 Publication of expiration of the patent

Patent expired


(11)Number of the document98
(21)Number of the application94-0154
(22)Filing date of the application1994.06.21
 Date of filing the request for examination (de fond) 21.06.1994
(71)Name(s) of applicant(s), code of the countryPOLYFELT GESELLSCHAFT M.B.H., AT;
(72)Name(s) of inventor(s), code of the countryHEINRICH SCHNEIDER, AT; Johann Hammeschmidt, AT;
(73)Name(s) of owner(s), code of the countryPOLYFELT GESELLSCHAFT M.B.H., AT;
(54)Title of the inventionThe method fos preparation the fibrous material
(13)Kind-of-document code
C2, BOPI 06/1995
B1, BOPI 11/1994
(51)International Patent Classification D04H 3/10 (2006.01);
(19)CountryAT
(45)Date of publication of patent granting decision:1994.11.30
(47)Date of issuance of patent1995.05.15
(30)PriorityP2900888.6, 1979.01.11, DE; P2924652.4, 1979.06.19, DE
(74)Patent attorneySIMANENKOVA Tatiana, Str. Andrei Doga 2/1, MD-2024, Chişinău, Republica Moldova
 Expired patents; Date of expiration2000.03.31
 Payment for maintenance up to the date2000.01.09
(30*)Priority of the former USSR application2869296/28-12, 1980.01.10, SU
(10*)Title of protection of the former USSR974937, SU
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