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EP0492003

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Extract from the Register of European Patents

EP About this file: EP0492003

EP0492003 - Process for the preparation of polycarbonate [Right-click to bookmark this link]
Status	The application has been refused Status updated on 18.04.1997 Database last updated on 11.04.2026
Most recent event Tooltip	05.10.2005	Change: Appeal number
Applicant(s)	For all designated states DAICEL CHEMICAL INDUSTRIES, LTD. No. 1-Banchi, Teppo-cho Sakai-shi, Osaka-fu 590 / JP
	[N/P]
Former [1992/40]	For all designated states DAICEL CHEMICAL INDUSTRIES, LTD. No. 1-Banchi, Teppo-cho Sakai-shi Osaka-fu 590 / JP
Former [1992/27]	For all designated states DAICEL CHEMICAL INDUSTRIES, LTD. 1, Teppo-cho Sakai-shi Osaka / JP
Inventor(s)	01 / Ueda, Mitsuru 6-11-2 Tohrimachi 5-chome Yonezawa-shi, Yamagata / JP
	02 / Kanno, Tatsuya 500, Kamiyobe, Yobe-ku Himeji-shi, Hyogo / JP
	03 / Iguchi, Yoshihiro 25, Hagiwara,Ibomachi Tatsuno-shi, Hyogo / JP
	04 / Oshino, Yasuhiro 1367, Shinzaike, Aboshi-ku Himeji-shi, Hyogo / JP
	[1992/27]
Representative(s)	Grünecker Patent- und Rechtsanwälte PartG mbB Leopoldstrasse 4 80802 München / DE
	[N/P]
Former [1992/27]	Grünecker, Kinkeldey, Stockmair & Schwanhäusser Anwaltssozietät Maximilianstrasse 58 D-80538 München / DE
Application number, filing date	90125784.0	28.12.1990
	[1992/27]
Filing language	EN
Procedural language	EN
Publication	Type:	A1 Application with search report
	No.:	EP0492003
	Date:	01.07.1992
	Language:	EN
	[1992/27]
Search report(s)	(Supplementary) European search report - dispatched on:	EP	21.08.1991
Classification	IPC:	C08G64/30	[1992/27]
	CPC:	C08G64/30 (EP); C08G64/307 (EP)
Designated contracting states	DE, FR, GB, NL [1992/27]
Title	German:	Verfahren zur Herstellung von Polykarbonat	[1992/27]
	English:	Process for the preparation of polycarbonate	[1992/27]
	French:	Procédé pour la préparation de polycarbonate	[1992/27]
Examination procedure	20.08.1992	Examination requested [1992/42]
	29.09.1993	Despatch of a communication from the examining division (Time limit: M04)
	09.02.1994	Reply to a communication from the examining division
	11.03.1994	Despatch of communication that the application is refused, reason: substantive examination [1997/23]
	21.02.1997	Application refused, date of legal effect [1997/23]
Appeal following examination	25.04.1994	Appeal received No. T0605/94
	15.07.1994	Statement of grounds filed
	21.02.1997	Result of appeal procedure: appeal of the applicant was rejected
	21.02.1997	Date of oral proceedings
	28.02.1997	Minutes of oral proceedings despatched
Fees paid	Renewal fee
	30.12.1992	Renewal fee patent year 03
	31.12.1993	Renewal fee patent year 04
	30.12.1994	Renewal fee patent year 05
	29.12.1995	Renewal fee patent year 06
	24.12.1996	Renewal fee patent year 07
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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	[A] JP63199728
		[A] PATENT ABSTRACTS OF JAPAN vol. 12, no. 482 (C-553)(3329) 15 December 1988, & JP-A-63 199728 (DAICEL CHEM IND LTD) 18 August 1988 [A]

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