Register information Patent

DE file number : P 35 83 054.9 (Status: not pending/lapsed, Query started: October 8, 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 35 83 054.9
96EP file numberEAKZ85 30 1451.2
97EP publication numberEPN157503
54Designation/titleTIHerstellung von reinem Aluminiumoxid mit geringem Si02-Gehalt.
51IPC main classICM
(ICMV)		 C01F 7/46 (2000.01)
22DE application dateDATMar 4, 1985
96EP application dateEATMar 4, 1985
43Date of first publicationOTOct 9, 1985
Date of publication of grantPETJun 5, 1991
71/73Applicant/ownerINHSASOL Germany GmbH, 22297 Hamburg, DE
72InventorINDavis, Gerald E., Tucson Arizona 85745, US
74RepresentativeVTRSchupfner, Gerhard, Dipl.-Chem. Dr.phil.nat., 21244 Buchholz, DE
Address for service Schupfner, Gerhard, Dipl.-Chem. Dr.phil.nat. , 21244 Buchholz, DE
33
31
32
Foreign priorityPRC
PRNA
PRDA
US
589927
Mar 15, 1984
Patent division in charge 45
97EP language of publicationELANGEN - Englisch
84Designated EP contracting statesEDSBE, CH, DE, FR, GB, LI, NL, SE
Published EP/WO documentsEPWOPNOriginal document: EP000000157503
Searchable text: EP000000157503
Original document: EP000000157503B1
Searchable text: EP000000157503B1
43Date of first publicationEVTOct 9, 1985
Date of the first transfer into DPMAregisterEREGTJun 18, 2019
Date of the (most recent) update in DPMAregisterREGTAug 20, 2019
(Show all update days)(Hide all update days)
  • Aug 20, 2019
    • Historical data not available for this/these date(s)
  • Jun 18, 2019
    • 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 Oct 9, 1985   Display details
2 Publications Publication of a mention regarding EP 1st publication by DPMA Nov 21, 1985 Nov 21, 1985 Display details
3 Procedure relating to EP application EPO publication of search report May 13, 1987   Display details
4 New applicant/owner details New applicant/owner details Apr 19, 1991 Jun 24, 1993 Display details
5 Procedure relating to EP application EPO publication of mention regarding patent grant (beginning of opposition period) Jun 5, 1991   Display details
6 Publications Publication by DPMA of mention regarding EP patent grant Jul 11, 1991 Jul 11, 1991 Display details
7 Procedure relating to EP application No opposition to patent grant filed, or opposition proceedings at EPO completed without decision Mar 5, 1992 Jul 2, 1992 Display details
8 New applicant/owner details New applicant/owner details Apr 19, 1993 Jun 24, 1993 Display details
9 Change of classification Change of IPC main class Oct 1, 1994   Display details
10 Change of classification Change of IPC main class Oct 9, 1999   Display details
11 New applicant/owner details New applicant/owner details Apr 17, 2002 Jun 20, 2002 Display details
12 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 Oct 1, 2004 Jan 5, 2005 Display details