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EP0321750

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Extract from the Register of European Patents

EP About this file: EP0321750

EP0321750 - Process fpr preparing microcapsules, the microcapsules prepared by said process and their use [Right-click to bookmark this link]
Status	Patent maintained as amended Status updated on 05.02.1993 Database last updated on 08.04.2026
Most recent event Tooltip	25.07.2008	Change - representative	published on 27.08.2008 [2008/35]
Applicant(s)	For all designated states Papierfabrik August Koehler AG Postfach 12 45 D-77696 Oberkirch / DE
	[1989/26]
Inventor(s)	01 / Pietsch, Günter Burgwedeler Strasse 150 D-3004 Isernhagen 2 / DE
	02 / Schrader, Karl-Heinz Parseval Strasse 27 D-3000 Hannover 1 / DE
	[1989/26]
Representative(s)	Hagemann, Heinrich, et al Meissner Bolte Patentanwälte Rechtsanwälte Partnerschaft mbB Widenmayerstrasse 47 80538 München / DE
	[N/P]
Former [2008/35]	Hagemann, Heinrich, et al Meissner, Bolte & Partner Postfach 86 03 29 81630 München / DE
Former [1989/26]	Hagemann, Heinrich, Dr. rer. nat., Dipl.-Chem., et al Patentanwälte HAGEMANN & KEHL Postfach 86 03 29 D-81630 München / DE
Application number, filing date	88119999.6	30.11.1988
	[1989/26]
Priority number, date	DE19883818712	01.06.1988 Original published format: DE 3818712
	DE19873743427	21.12.1987 Original published format: DE 3743427
	[1989/26]
Filing language	DE
Procedural language	DE
Publication	Type:	A1 Application with search report
	No.:	EP0321750
	Date:	28.06.1989
	Language:	DE
	[1989/26]
	Type:	B1 Patent specification
	No.:	EP0321750
	Date:	19.09.1990
	Language:	DE
	[1990/38]
	Type:	B2 New European patent specification
	No.:	EP0321750
	Date:	24.03.1993
	Language:	DE
	[1993/12]
Search report(s)	(Supplementary) European search report - dispatched on:	EP	09.02.1989
Classification	IPC:	B01J13/02, B41M5/124	[1990/38]
	CPC:	B01J13/18 (EP,KR,US); B01J13/02 (KR); B01J13/20 (KR); B41M5/165 (EP,US); Y10T428/2985 (EP,US)
	Former IPC [1989/26]	B01J13/02, B41M5/12
Designated contracting states	AT, BE, CH, DE, ES, FR, GB, GR, IT, LI, LU, NL, SE [1989/26]
Title	German:	Verfahren zur Herstellung von Mikrokapseln, die danach erhältlichen Mikrokapseln und deren Verwendung	[1989/26]
	English:	Process fpr preparing microcapsules, the microcapsules prepared by said process and their use	[1989/26]
	French:	Procédé de fabrication de microcapsules, les microcapsules ainsi préparées et leur utilisation	[1989/26]
Examination procedure	03.03.1989	Examination requested [1989/26]
	03.03.1989	Request for accelerated examination filed
	12.09.1989	Despatch of a communication from the examining division (Time limit: M04)
	12.09.1989	Decision about request for accelerated examination - accepted: Yes
	17.12.1989	Reply to a communication from the examining division
	14.02.1990	Despatch of communication of intention to grant (Approval: Yes)
	08.03.1990	Communication of intention to grant the patent
	01.06.1990	Fee for grant paid
	01.06.1990	Fee for publishing/printing paid
Opposition(s)	Opponent(s)	01 14.06.1991 26.07.1991 ADMISSIBLE The Wiggins Teape Group Limited P.O.Box No.88,Gateway House, Basing View Basingstoke, Hampshire, RG21 2EE / GB Opponent's representative Huber, Bernhard Patentanwälte H. Weickmann, Dr. K. Fincke F.A. Weickmann, B. Huber Dr. H. Liska, Dr. J. Prechtel, Dr. B. Böhm Postfach 86 08 20 D-81635 München / DE
		[N/P]
	Former [1991/33]
	Opponent(s)	01 14.06.1991 26.07.1991 ADMISSIBLE The Wiggins Teape Group Limited P.O.Box No.88,Gateway House, Basing View Basingstoke, Hampshire, RG21 2EE / GB Opponent's representative Huber, Bernhard, Dipl.-Chem. Patentanwälte H. Weickmann, Dr. K. Fincke F.A. Weickmann, B. Huber Dr. H. Liska, Dr. J. Prechtel, Dr. B. Böhm Postfach 86 08 20 D-81635 München / DE
	04.07.1991	No. 01: Notification indicating deficiencies in the notice of opposition
	19.07.1991	No. 01: Reply to notification indicating deficiencies in the notice of opposition
	31.07.1991	Invitation to proprietor to file observations on the notice of opposition
	03.09.1991	Reply of patent proprietor to notice(s) of opposition
	13.09.1991	Communication of observations of patent proprietor (Time limit: M04)
	04.12.1991	Reply of parties involved to observations of patent proprietor
	02.06.1992	Date of oral proceedings
	13.07.1992	Despatch of interlocutory decision in opposition
	13.07.1992	Despatch of minutes of oral proceedings
	23.07.1992	Legal effect of interlocutory decision in opposition
	22.10.1992	Despatch of communication that the patent will be maintained as amended
	15.12.1992	Fee for printing new specification paid
Opt-out from the exclusive Tooltip competence of the Unified Patent Court	See the Register of the Unified Patent Court for opt-out data
	Responsibility for the accuracy, completeness or quality of the data displayed under the link provided lies entirely with the Unified Patent Court.
Lapses during opposition Tooltip	SE	01.12.1992
	[2003/31]
Documents cited:	Search	[X] FR2146255 (CIBA GEIGY AG et al.) [X]
		[A] FR2114380 (CIBA GEIGY AG et al.) [A]
		[A] FR2441417 (KANZAKI PAPER MFG CO LTD et al.) [A]

The EPO accepts no responsibility for the accuracy of data originating from other authorities; in particular, it does not guarantee that it is complete, up to date or fit for specific purposes.