Register information Patent

DE file number : 591 00 432.1 (Status: not pending/lapsed, Query started: November 5, 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 DAKZ591 00 432.1
96EP file numberEAKZ91 11 4225.5
97EP publication numberEPN476359
54Designation/titleTIVerfahren zur Herstellung von Di-(4-aminocyclohexyl)-methan mit einem Anteil an 15 bis 25 Gew.-% des trans-trans-Isomeren.
51IPC main classICM
(ICMV)
C07C 209/72 (2000.01)
51IPC secondary class(es)ICS
(ICSV)
B01J 23/46 (2000.01)
22DE application dateDATAug 24, 1991
96EP application dateEATAug 24, 1991
43Date of first publicationOTApr 30, 1992
Date of publication of grantPETSep 29, 1993
71/73Applicant/ownerINHBayer MaterialScience Aktiengesellschaft, 51373 Leverkusen, DE
72InventorINImmel, Otto, Dr., W-4150 Krefeld, DE; Darsow, Gerhard, Dr., W-4150 Krefeld, DE; Braden, Rudolf, Dr., W-5068 Odenthal, DE; Schwarz, Hans-Helmut, Dr., W-4150 Krefeld 1, DE; Waldmann, Helmut, Dr., W-5090 Leverkusen 1, DE
Address for service Bayer MaterialScience AG, 51368 Leverkusen, DE
66
66
Domestic priorityPRN
PRD
4028270
Sep 6, 1990
Patent division in charge 44
97EP language of publicationELANGDE - Deutsch
84Designated EP contracting statesEDSDE, FR, GB, IT
43Date of first publicationEVTMar 25, 1992
Date of the first transfer into DPMAregisterEREGTSep 26, 2012
Date of the (most recent) update in DPMAregisterREGTJan 20, 2013
(Show all update days)(Hide all update days)
  • Jan 20, 2013
    • Historical data not available for this/these date(s)
  • Sep 26, 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 Mar 25, 1992   Display details
2 Procedure relating to EP application EPO publication of search report Mar 25, 1992   Display details
3 Publications Publication of a mention regarding EP 1st publication by DPMA Apr 30, 1992 Apr 30, 1992 Display details
4 Procedure relating to EP application EPO publication of mention regarding patent grant (beginning of opposition period) Sep 29, 1993   Display details
5 Publications Publication by DPMA of mention regarding EP patent grant Nov 4, 1993 Nov 4, 1993 Display details
6 Procedure relating to EP application No opposition to patent grant filed, or opposition proceedings at EPO completed without decision Jun 29, 1994 Oct 27, 1994 Display details
7 Change of classification Change of IPC main class Oct 1, 1994   Display details
8 Change of classification Change of IPC main class Oct 9, 1999   Display details
9 New applicant/owner details New applicant/owner details Jul 13, 2004 Sep 16, 2004 Display details
10 Administrative procedure Application is deemed to be withdrawn due to non-payment of annual fee/ IP right has lapsed due to non-payment of annual fee Mar 1, 2005 Jun 9, 2005 Display details