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EP About this file: EP1375525

EP1375525 - METHOD FOR PREPARING HOLLOW POLYMER PARTICLES [Right-click to bookmark this link]
Former [2004/01]	HOLLOW POLYMER PARTICLES, METHOD FOR PREPARING HOLLOW POLYMER PARTICLES, POROUS CERAMIC FILTER, AND METHOD FOR PREPARING POROUS CERAMIC FILTER
	[2016/11]
Status	No opposition filed within time limit Status updated on 26.10.2018 Database last updated on 27.07.2024
Former	The patent has been granted Status updated on 17.11.2017
Former	Grant of patent is intended Status updated on 06.12.2016
Most recent event Tooltip	26.10.2018	No opposition filed within time limit	published on 28.11.2018 [2018/48]
Applicant(s)	For all designated states SEKISUI CHEMICAL CO., LTD. 4-4, Nishitenma 2-chome Kita-ku Osaka-shi Osaka 530-8565 / JP
	For all designated states Tokuyama Sekisui Co., Ltd. 2-4-4, Nishitemma, Kita-ku Osaka-shi Osaka 530-8565 / JP
	[2017/51]
Former [2004/01]	For all designated states SEKISUI CHEMICAL CO., LTD. 4-4, Nishitenma 2-chome, Kita-ku Osaka-shi, Osaka 530-8565 / JP
	For all designated states Tokuyama Sekisui Co., Ltd. 2-4-4, Nishitemma, Kita-ku Osaka-shi, Osaka 530-8565 / JP
Inventor(s)	01 / OHMURA, Takahiro c/o SEKISUI CHEMICAL CO., LTD. 4560, Kaisei-cho Shinnanyo-shi, Yamaguchi 746-0006 / JP
	02 / NAKATA, Yasushi c/o SEKISUI CHEMICAL CO., LTD. 2-4-4, Nishitemma Kita-ku Osaka-shi, Osaka 530-8565 / JP
	03 / KAWAGUCHI, Yasuhiro c/o TOKUYAMA SEKISUI CO., LTD. 4560, Kaisei-cho Shinnanyo-shi, Yamaguchi 746-0006 / JP
	04 / YOSHIDA, Takahiro c/o SEKISUI CHEMICAL CO., LTD. 1259, Izumi Minakuchi-cho Koga-gun, Shiga 528-8585 / JP
	[2017/51]
Former [2004/01]	01 / OHMURA, Takahiro, c/o SEKISUI CHEMICAL CO., LTD. 4560, Kaisei-cho Shinnanyo-shi, Yamaguchi 746-0006 / JP
	02 / NAKATA, Yasushi, c/o SEKISUI CHEMICAL CO., LTD. 2-4-4, Nishitemma, Kita-ku Osaka-shi, Osaka 530-8565 / JP
	03 / KAWAGUCHI, Yasuhiro, c/o TOKUYAMA SEKISUI CO. LTD. 4560, Kaisei-cho Shinnanyo-shi, Yamaguchi 746-0006 / JP
	04 / YOSHIDA, Takahiro, c/o SEKISUI CHEMICAL CO., LTD. 1259, Izumi, Minakuchi-cho Koga-gun, Shiga 528-8585 / JP
Representative(s)	Bailey, Jennifer Ann, et al Marks & Clerk LLP Alpha Tower Suffolk Street Queensway Birmingham B1 1TT / GB
	[2017/51]
Former [2012/46]	Brewer, Michael Robert, et al Marks & Clerk LLP 20 Imperial Square Cheltenham GL50 1QZ / GB
Former [2010/22]	Lees, Kate Jane, et al Marks & Clerk LLP 27 Imperial Square Cheltenham GL50 1RQ / GB
Former [2004/39]	Hillier, Peter Marks & Clerk 27 Imperial Square Cheltenham GL50 1RQ / GB
Former [2004/01]	Hillier, Peter Edward Evans Barker Clifford's Inn Fetter Lane London EC4A 1BZ / GB
Application number, filing date	02703979.1	12.03.2002
	[2004/01]
	WO2002JP02320
Priority number, date	JP20010072354	14.03.2001 Original published format: JP 2001072354
	[2004/01]
Filing language	JA
Procedural language	EN
Publication	Type:	A2 Application without search report
	No.:	WO02072671
	Date:	19.09.2002
	Language:	EN
	[2002/38]
	Type:	A2 Application without search report
	No.:	EP1375525
	Date:	02.01.2004
	Language:	EN
	The application published by WIPO in one of the EPO official languages on 19.09.2002 takes the place of the publication of the European patent application.
	[2004/01]
	Type:	B1 Patent specification
	No.:	EP1375525
	Date:	20.12.2017
	Language:	EN
	[2017/51]
Search report(s)	International search report - published on:	JP	19.12.2002
	(Supplementary) European search report - dispatched on:	EP	05.10.2009
Classification	IPC:	C08J9/20, C04B35/195, C04B38/06, C08F2/18	[2016/12]
	CPC:	C04B38/0655 (EP,US); C08F2/18 (EP,KR,US); B01D39/2068 (EP,US); C04B35/195 (EP,US); C04B38/06 (EP,US); C08J3/128 (EP,US); (+) C08J9/20 (EP,US); C04B2111/00793 (EP,US); C08J2483/04 (EP,US); Y10T428/249958 (EP,US); Y10T428/254 (EP,US); Y10T428/2982 (EP,US); Y10T428/2993 (EP,US) (-)
	C-Set:	C04B38/0655, C04B35/00, C04B38/067 (US,EP); C04B38/0655, C04B35/195, C04B38/0054, C04B38/067 (EP,US)
	Former IPC [2016/11]	C04B35/195, C04B38/06
	Former IPC [2004/01]	C08F2/18
Designated contracting states	BE, DE, ES, FR, GB, IT, NL [2017/51]
Former [2005/02]	BE, DE, ES, FR, GB, IT, NL
Former [2004/01]	AT, BE, CH, CY, DE, DK, ES, FI, FR, GB, GR, IE, IT, LI, LU, MC, NL, PT, SE, TR
Title	German:	VERFAHREN ZUR HERSTELLUNG VON HOHLEN POLYMERTEILCHEN	[2017/01]
	English:	METHOD FOR PREPARING HOLLOW POLYMER PARTICLES	[2017/01]
	French:	PROCEDE DE PRODUCTION DES PARTICULES POLYMERES CREUSES	[2017/01]
	Former [2004/01]	HOHLE POLYMERTEILCHEN, VERFAHREN ZUR HERSTELLUNG VON HOHLEN POLYMERTEILCHEN, PORÖSES KERAMIKFILTER UND VERFAHREN ZUR HERSTELLUNG EINES PORÖSEN KERAMIKFILTERS
	Former [2004/01]	HOLLOW POLYMER PARTICLES, METHOD FOR PREPARING HOLLOW POLYMER PARTICLES, POROUS CERAMIC FILTER, AND METHOD FOR PREPARING POROUS CERAMIC FILTER
	Former [2004/01]	PARTICULES POLYMERES CREUSES, PROCEDE DE PRODUCTION DESDITES PARTICULES, FILTRE CERAMIQUE POREUX ET PROCEDE DE FABRICATION DUDIT FILTRE
Entry into regional phase	22.09.2003	Translation filed
	29.09.2003	National basic fee paid
	29.09.2003	Search fee paid
	29.09.2003	Designation fee(s) paid
	29.09.2003	Examination fee paid
Examination procedure	07.10.2002	Request for preliminary examination filed International Preliminary Examining Authority: JP
	29.09.2003	Examination requested [2004/01]
	15.10.2003	Loss of particular rights, legal effect: designated state(s)
	20.11.2003	Despatch of communication of loss of particular rights: designated state(s) AT, CH, CY, DK, FI, GR, IE, LU, MC, PT, SE, TR
	20.11.2003	Despatch of communication of loss of particular rights: designated state(s) BE, NL
	15.03.2005	Observations by third parties
	28.12.2009	Despatch of a communication from the examining division (Time limit: M04)
	06.05.2010	Reply to a communication from the examining division
	28.06.2011	Despatch of a communication from the examining division (Time limit: M04)
	08.11.2011	Reply to a communication from the examining division
	20.11.2013	Despatch of a communication from the examining division (Time limit: M04)
	28.03.2014	Reply to a communication from the examining division
	28.11.2016	Cancellation of oral proceeding that was planned for 08.12.2016
	07.12.2016	Communication of intention to grant the patent
	08.12.2016	Date of oral proceedings (cancelled)
	04.04.2017	Fee for grant paid
	04.04.2017	Fee for publishing/printing paid
	04.04.2017	Receipt of the translation of the claim(s)
Divisional application(s)	The date of the Examining Division's first communication in respect of the earliest application for which a communication has been issued is 28.12.2009
Opposition(s)	21.09.2018	No opposition filed within time limit [2018/48]
Fees paid	Renewal fee
	15.03.2004	Renewal fee patent year 03
	14.03.2005	Renewal fee patent year 04
	09.03.2006	Renewal fee patent year 05
	14.03.2007	Renewal fee patent year 06
	14.03.2008	Renewal fee patent year 07
	13.03.2009	Renewal fee patent year 08
	15.03.2010	Renewal fee patent year 09
	15.03.2011	Renewal fee patent year 10
	14.03.2012	Renewal fee patent year 11
	11.03.2013	Renewal fee patent year 12
	12.03.2014	Renewal fee patent year 13
	10.03.2015	Renewal fee patent year 14
	10.03.2016	Renewal fee patent year 15
	10.03.2017	Renewal fee patent year 16
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.
Documents cited:	Search	[Y]US3615972 (MOREHOUSE DONALD S JR, et al) [Y] 1-7 * column 11, line 22 - line 24 * * column 12, line 47 - line 61 * * column 3, line 43 - line 58 * * column 4, line 9 - line 17 * * column 4, line 38 - line 44 * * example 1 * * claims 14,15,17,19,46,47 * * example 1 *;
		[X]US4551389 (OHTAKE ETSUO [JP], et al) [X] 1,3,4 * examples 1-3 * * claims 1-6 *;
		[Y]JPH07157672 (MATSUMOTO YUSHI SEIYAKU KK) [Y] 1-10 * abstract * * claims 1-3 * * paragraphs [0008] - [0013] * * examples 1-4 *;
		[A]EP0686079 (GORE & ASS [US]) [A] 1-10 * the whole document *;
		[Y]JPH08215522 (MATSUSHITA ELECTRIC IND CO LTD) [Y] 8-10 * abstract * * column 3, line 27 - line 28 * * column 5, line 19 - line 21 * * claim 4 *;
		[A]EP0863160 (AMCOL INTERNATIONAL CORP [US]) [A] 1-10* the whole document *
	International search	[X]US4551389 (OHTAKE ETSUO [JP], et al);
		[A]JPS6187734 (JAPAN SYNTHETIC RUBBER CO LTD);
		[A]JPH02255704 (KAO CORP);
		[A]JPH05125127 (JAPAN SYNTHETIC RUBBER CO LTD);
		[X]JPH07216127 (ASAHI GLASS CO LTD);
		[X]JPH08113654 (SOKEN KAGAKU KK);
		[X]JPH08506850 ;
		[A]JPH10244152 (AMCOL INTERNATIONAL CORP);
		[X]JP2000248005 (HITACHI CHEMICAL CO LTD);
		[XP]JP2001213727 (MATSUMOTO YUSHI SEIYAKU KK)

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.

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