Register information Patent

DE file number : 690 31 219.9 (Status: not pending/lapsed, Query started: November 4, 2025)

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
INID	Criterion	Field	Content
	Type of IP right	SART	Patent
	Status	ST	Not pending/lapsed
21	DE file number	DAKZ	690 31 219.9
96	EP file number	EAKZ	90 90 6651.6
86	WO file number	WAKZ	PCT/US90/01968
97	EP publication number	EPN	486499
87	WO publication number	WPN	1990012572
54	Designation/title	TI	STABILE ZUSAMMENSETZUNGEN VON ASKORBINSÄURE
51	IPC main class	ICM (ICMV)	A61K 31/34 (2000.01)
22	DE application date	DAT	Apr 16, 1990
96	EP application date	EAT	Apr 16, 1990
86	WO application date	WAT	Apr 16, 1990
43	Date of first publication	OT	Nov 1, 1990
	Date of publication of grant	PET	Aug 6, 1997
71/73	Applicant/owner	INH	Duke University, Durham, N.C., US
72	Inventor	IN	DARR, Douglas, Timberlake, NC 27583, US; PINNELL, Sheldon, R., Durham, NC 27705, US
74	Representative	VTR	Uexküll & Stolberg Partnerschaft von Patent- und Rechtsanwälten mbB, 22607 Hamburg, DE
10	Published DE documents	DEPN	Original document: DE000069031219T2 Searchable text: DE000069031219T2
	Address for service		Uexküll & Stolberg Partnerschaft von Patent- und Rechtsanwälten mbB, 22607 Hamburg, DE
33 31 32	Foreign priority	PRC PRNA PRDA	US 339488 Apr 17, 1989
	Patent division in charge		44
97	EP language of publication	ELANG	EN - Englisch
84	Designated EP contracting states	EDS	AT, BE, CH, DE, DK, ES, FR, GB, IT, LI, LU, NL, SE
	Published EP/WO documents	EPWOPN	Original document: EP000000486499 Searchable text: EP000000486499 Original document: EP000000486499B1 Searchable text: EP000000486499B1 Original document: WO001990012572 Searchable text: WO001990012572
43	Date of first publication	EVT	Nov 1, 1990
	Date of the first transfer into DPMAregister	EREGT	Sep 26, 2012
	Date of the (most recent) update in DPMAregister	REGT	Apr 30, 2022 (Show all update days)(Hide all update days) Apr 30, 2022; Oct 22, 2018; Mar 18, 2015; 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	Publication date	Alle Details anzeigen
1	Procedure relating to PCT application	WO first publication without search report	Nov 1, 1990		Details anzeigen
2	Procedure relating to EP application	EPO 1st publication	May 27, 1992		Details anzeigen
3	Procedure relating to EP application	EPO publication of search report	May 27, 1992		Details anzeigen
4	Publications	Publication of a mention regarding EP 1st publication by DPMA	Jul 2, 1992	Jul 2, 1992	Details anzeigen
5	Procedure relating to EP application	EPO publication of mention regarding patent grant (beginning of opposition period)	Aug 6, 1997		Details anzeigen
6	Publications	Publication by DPMA of mention regarding EP patent grant	Sep 11, 1997	Sep 11, 1997	Details anzeigen
7	Publications	Translation of EP patent specification	Jan 22, 1998	Jan 22, 1998	Details anzeigen
8	Opposition procedure	Opposition to patent filed	Apr 29, 1998	Jul 30, 1998	Details anzeigen
9	Change of classification	Change of IPC main class	Oct 9, 1999		Details anzeigen
10	Opposition procedure	Revocation of patent by EPO	Mar 16, 2005		Details anzeigen
11	Opposition procedure	Decision on revocation by EPO has become final	Mar 16, 2005	Oct 27, 2005	Details anzeigen
12	Change of classification	Change of IPC main class	Aug 5, 2005		Details anzeigen

View procedures Procedure relating to PCT application (No.: 1)
Criterion	Field	Content Close details
Type of procedure	VART	Procedure relating to PCT application
Legal/procedural status	VST	WO first publication without search report
Date of legal/procedural status	VSTT	Nov 1, 1990

View procedures Procedure relating to EP application (No.: 2)
Criterion	Field	Content Close details
Type of procedure	VART	Procedure relating to EP application
Legal/procedural status	VST	EPO 1st publication
Date of legal/procedural status	VSTT	May 27, 1992

View procedures Procedure relating to EP application (No.: 3)
Criterion	Field	Content Close details
Type of procedure	VART	Procedure relating to EP application
Legal/procedural status	VST	EPO publication of search report
Date of legal/procedural status	VSTT	May 27, 1992

View procedures Publications (No.: 4)
Criterion	Field	Content Close details
Type of procedure	VART	Publications
Legal/procedural status	VST	Publication of a mention regarding EP 1st publication by DPMA
Date of legal/procedural status	VSTT	Jul 2, 1992
Issue number	HN	27
Year	PJ	1992
Publication date	VT	Jul 2, 1992
Type of publication	PART	Bibliographic data

View procedures Procedure relating to EP application (No.: 5)
Criterion	Field	Content Close details
Type of procedure	VART	Procedure relating to EP application
Legal/procedural status	VST	EPO publication of mention regarding patent grant (beginning of opposition period)
Date of legal/procedural status	VSTT	Aug 6, 1997

View procedures Publications (No.: 6)
Criterion	Field	Content Close details
Type of procedure	VART	Publications
Legal/procedural status	VST	Publication by DPMA of mention regarding EP patent grant
Date of legal/procedural status	VSTT	Sep 11, 1997
Issue number	HN	37
Year	PJ	1997
Publication date	VT	Sep 11, 1997
Type of publication	PART	Bibliographic data
Part	HT	Part 5

View procedures Publications (No.: 7)
INID	Criterion	Field	Content Close details
	Type of procedure	VART	Publications
	Legal/procedural status	VST	Translation of EP patent specification
	Date of legal/procedural status	VSTT	Jan 22, 1998
	Issue number	HN	4
	Year	PJ	1998
	Publication date	VT	Jan 22, 1998
	Type of publication	PART	Documents
10	Published DE documents	DEPN	Original document: DE000069031219T2 Searchable text: DE000069031219T2

View procedures Opposition procedure (No.: 8)
Criterion	Field	Content Close details
Type of procedure	VART	Opposition procedure
Legal/procedural status	VST	Opposition to patent filed
Date of legal/procedural status	VSTT	Apr 29, 1998
Issue number	HN	31
Year	PJ	1998
Publication date	VT	Jul 30, 1998
Type of publication	PART	Bibliographic data
Part	HT	Part 3

View procedures Change of classification (No.: 9)
INID	Criterion	Field	Content Close details
	Type of procedure	VART	Change of classification
	Legal/procedural status	VST	Change of IPC main class
	Date of legal/procedural status	VSTT	Oct 9, 1999
51	IPC main class	ICM (ICMV)	A61K 31/34 (2000.01)
51	Previous IPC main class	ICMF (ICMVF)	A61K 31/34 (1995.01)

View procedures Opposition procedure (No.: 10)
Criterion	Field	Content Close details
Type of procedure	VART	Opposition procedure
Legal/procedural status	VST	Revocation of patent by EPO
Date of legal/procedural status	VSTT	Mar 16, 2005
Date of update of the procedure	REGT	Apr 30, 2022

View procedures Opposition procedure (No.: 11)
Criterion	Field	Content Close details
Type of procedure	VART	Opposition procedure
Legal/procedural status	VST	Decision on revocation by EPO has become final
Date of legal/procedural status	VSTT	Mar 16, 2005
Issue number	HN	43
Year	PJ	2005
Publication date	VT	Oct 27, 2005
Type of publication	PART	Bibliographic data
Part	HT	Part 3
Date of update of the procedure	REGT	Apr 30, 2022

View procedures Change of classification (No.: 12)
INID	Criterion	Field	Content Close details
	Type of procedure	VART	Change of classification
	Legal/procedural status	VST	Change of IPC main class
	Date of legal/procedural status	VSTT	Aug 5, 2005
51	IPC main class	ICM (ICMV)	A61K 31/34 (2000.01)
51	Previous IPC main class	ICMF (ICMVF)	A61K 31/34 (2000.01)