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EP0129699

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Extract from the Register of European Patents

EP About this file: EP0129699

EP0129699 - Process for the preparation of bi- or polymodal polymer dispersions [Right-click to bookmark this link]
Status	Patent maintained as amended Status updated on 01.10.1993 Database last updated on 08.04.2026
Most recent event Tooltip	01.10.1993	Patent maintained (B2 publication)	published on 18.11.1993 [1993/46]
Applicant(s)	For all designated states Röhm GmbH Kirschenallee D-64293 Darmstadt / DE
	[1985/01]
Inventor(s)	01 / Siol, Werner, Dr. Gödelerweg 34 D-6100 Darmstadt-Eberstadt / DE
	02 / Klesse, Wolfgang, Dr. Tucholskyweg 47 D-6500 Mainz 31 / DE
	03 / Sütterlin, Norbert, Dr. Am Horeth 23 D-6105 Ober-Ramstadt / DE
	04 / Rauch, Hubert Odenwaldstrasse 6 D-6108 Weiterstadt 1 / DE
	[1985/01]
Application number, filing date	84105658.3	18.05.1984
	[1985/01]
Priority number, date	DE19833319340	27.05.1983 Original published format: DE 3319340
	[1985/01]
Filing language	DE
Procedural language	DE
Publication	Type:	A2 Application without search report
	No.:	EP0129699
	Date:	02.01.1985
	Language:	DE
	[1985/01]
	Type:	A3 Search report
	No.:	EP0129699
	Date:	25.06.1986
	Language:	DE
	[1986/26]
	Type:	B1 Patent specification
	No.:	EP0129699
	Date:	03.08.1988
	Language:	DE
	[1988/31]
	Type:	B2 New European patent specification
	No.:	EP0129699
	Date:	18.11.1993
	Language:	DE
	[1993/46]
Search report(s)	(Supplementary) European search report - dispatched on:	EP	07.05.1986
Classification	IPC:	C08F2/22, C08F291/00, C08F265/06	[1985/01]
	CPC:	C08F265/06 (EP,US); C08F291/00 (EP,US)
	C-Set:	C08F265/06, C08F2/22 (EP,US); C08F291/00, C08F2/22 (US,EP)
Designated contracting states	CH, DE, FR, GB, IT, LI, NL [1985/01]
Title	German:	Verfahren zur Herstellung bi- oder polymodaler wässriger Kunststoffdispersionen	[1985/01]
	English:	Process for the preparation of bi- or polymodal polymer dispersions	[1985/01]
	French:	Procédé de préparation de dispersions di- ou polymodale de polymères	[1985/01]
Examination procedure	18.07.1986	Examination requested [1986/38]
	12.11.1987	Despatch of communication of intention to grant (Approval: Yes)
	26.11.1987	Communication of intention to grant the patent
	05.12.1987	Fee for grant paid
	05.12.1987	Fee for publishing/printing paid
Opposition(s)	Opponent(s)	01 17.03.1989 05.06.1989 ADMISSIBLE Bayer AG, Leverkusen Konzernverwaltung RP Patente Konzern Bayerwerk D-51368 Leverkusen / DE
		02 18.03.1989 05.06.1989 ADMISSIBLE Hüls Aktiengesellschaft Patentabteilung/PB 15 D-45764 Marl / DE
		[N/P]
	Former [1989/22]
	Opponent(s)	01 17.03.1989 05.06.1989 ADMISSIBLE Bayer AG, Leverkusen Konzernverwaltung RP Patente Konzern Bayerwerk D-51368 Leverkusen / DE
		02 18.03.1989 05.06.1989 ADMISSIBLE Hüls Aktiengesellschaft Patentabteilung/PB 15 D-45764 Marl / DE
	Former [1989/21]
	Opponent(s)	01 17.03.1989 05.06.1989 ADMISSIBLE Bayer AG, Leverkusen Konzernverwaltung RP Patente Konzern Bayerwerk D-51368 Leverkusen / DE
	07.06.1989	Invitation to proprietor to file observations on the notice of opposition
	07.07.1989	Reply of patent proprietor to notice(s) of opposition
	26.03.1990	Despatch of a communication from the opposition division (Time limit: M04)
	16.07.1990	Reply to a communication from the opposition division
	24.08.1990	Communication of observations of patent proprietor (Time limit: M02)
	04.09.1990	Reply of parties involved to observations of patent proprietor
	22.02.1991	Despatch of a communication from the opposition division (Time limit: M02)
	10.04.1991	Reply to a communication from the opposition division
	22.10.1991	Despatch of a communication from the opposition division (Time limit: M02)
	19.12.1991	Reply to a communication from the opposition division
	16.09.1992	Despatch of a communication from the opposition division (Time limit: M02)
	23.09.1992	Reply to a communication from the opposition division
	01.03.1993	Despatch of interlocutory decision in opposition
	11.03.1993	Legal effect of interlocutory decision in opposition
	18.06.1993	Despatch of communication that the patent will be maintained as amended
	24.07.1993	Fee for printing new specification paid
Fees paid	Renewal fee
	15.04.1986	Renewal fee patent year 03
	10.04.1987	Renewal fee patent year 04
	16.04.1988	Renewal fee patent year 05
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	Responsibility for the accuracy, completeness or quality of the data displayed under the link provided lies entirely with the Unified Patent Court.
Documents cited:	Search	[Y] RESEARCH DISCLOSURE, Nr. 189, Januar 1980, Seite 7, Industial Opportunities Ltd., Homewell, Havant, Hampshire, GB; "Nr. 18905. Process for preparing synthetic polymer latexes having multimodal particle size distribution" [Y]

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