Register information Patent

DE file number : P 33 64 464.0 (Status: not pending/lapsed, Query started: September 19, 2024)

Please note: This English version is a non-binding translation of the German register excerpt. Only the German version of the register excerpt is legally binding.

Master data
INIDCriterionFieldContent
Type of IP rightSARTPatent
StatusSTNot pending/lapsed
21DE file number DAKZP 33 64 464.0
96EP file numberEAKZ83 10 1938.5
97EP publication numberEPN88327
54Designation/titleTIVerfahren zur Herstellung von Methacrylsäure.
51IPC main classICM
(ICMV)		 B01J 27/18 (1990.01)
51IPC secondary class(es)ICS
(ICSV)		 C07C 57/055 (1990.01)
22DE application dateDATFeb 28, 1983
96EP application dateEATFeb 28, 1983
43Date of first publicationOTSep 14, 1983
Date of publication of grantPETJul 16, 1986
71/73Applicant/ownerINHBASF AG, 67063 Ludwigshafen, DE
72InventorINKrabetz Dr., Richard, W-6719 Kirchheim, DE; Duembgen Dr., Gerd, W-6701 Dannstadt-Schauernheim, DE; Nees Dr., Friedbert, W-7513 Stutensee, DE; Merger Dr., Franz, W-6710 Frankenthal, DE; Fouquet Dr., Gerd, W-6730 Neustadt, DE
Address for service BASF SE Patentabteilung ZNP - C 6, 67063 Ludwigshafen, DE
66
66
Domestic priorityPRN
PRD
3208572
Mar 10, 1982
Patent division in charge 45
97EP language of publicationELANGDE - Deutsch
84Designated EP contracting statesEDSBE, DE, FR, GB, IT, NL
43Date of first publicationEVTSep 14, 1983
Date of the first transfer into DPMAregisterEREGTSep 30, 2012
Date of the (most recent) update in DPMAregisterREGTMay 12, 2015
(Show all update days)(Hide all update days)
  • May 12, 2015; Feb 6, 2013
    • Historical data not available for this/these date(s)
  • Sep 30, 2012
    • Date of the first transfer into DPMAregister
Procedural data
No. Kind of procedure Legal status Date of legal/procedural status Date of legal/procedural status sorted ascending Date of first publication Display all details
1 Procedure relating to EP application EPO 1st publication Sep 14, 1983   Display details
2 Publications Publication of a mention regarding EP 1st publication by DPMA Oct 20, 1983 Oct 20, 1983 Display details
3 Procedure relating to EP application EPO publication of search report May 30, 1984   Display details
4 Procedure relating to EP application EPO publication of mention regarding patent grant (beginning of opposition period) Jul 16, 1986   Display details
5 Publications Publication by DPMA of mention regarding EP patent grant Aug 21, 1986 Aug 21, 1986 Display details
6 Procedure relating to EP application No opposition to patent grant filed, or opposition proceedings at EPO completed without decision Apr 16, 1987 Aug 13, 1987 Display details
7 Procedure relating to EP application Patent abandoned for DE Feb 22, 1992   Display details