Deutsch English Français

Contact

EP0773195

European procedure

Quick help

Maintenance news

Scheduled maintenance

Regular maintenance outages:
between 05.00 and 05.15 hrs CET (Monday to Sunday).

Other outages
Availability
Register Forum

2022.02.11

More...

News flashes

News Flashes

New version of the European Patent Register – SPC proceedings information in the Unitary Patent Register.

2024-07-24

More...

Extract from the Register of European Patents

EP About this file: EP0773195

EP0773195 - Glass body for optical fiber, use thereof, optical fiber, and method of making it [Right-click to bookmark this link]
Status	Opposition rejected Status updated on 26.10.2001 Database last updated on 02.08.2024
Most recent event Tooltip	26.06.2009	Change - opposition data/opponents data or that of the opponents representative	published on 29.07.2009 [2009/31]
Applicant(s)	For all designated states SUMITOMO ELECTRIC INDUSTRIES, LTD 5-33, Kitahama 4-chome, Chuo-ku Osaka-shi Osaka-fu 541 / JP
	[N/P]
Former [1997/20]	For all designated states SUMITOMO ELECTRIC INDUSTRIES, LTD 5-33, Kitahama 4-chome, Chuo-ku Osaka-shi, Osaka-fu 541 / JP
Inventor(s)	01 / Ohga, Yuichi, c/o Sumitomo Electric Ind., Ltd. 1, Taya-cho, Sakae-ku Yokohama-shi, Kanagawa 244 / JP
	02 / Ishikawa, Shinji, c/o Sumitomo Electric Ind., Ltd. 1, Taya-cho, Sakae-ku Yokohama-shi, Kanagawa 244 / JP
	03 / Enomoto, Tadashi, c/o Sumitomo Electric Ind., Ltd. 1, Taya-cho, Sakae-ku Yokohama-shi, Kanagawa 244 / JP
	[1997/20]
Representative(s)	Hansen, Bernd, et al Hoffmann Eitle Patent- und Rechtsanwälte Arabellastrasse 4 81925 München / DE
	[N/P]
Former [1997/20]	Hansen, Bernd, Dr. Dipl.-Chem., et al Hoffmann, Eitle & Partner, Patentanwälte, Arabellastrasse 4 81925 München / DE
Application number, filing date	96116944.8	22.10.1996
	[1997/20]
Priority number, date	JP19950316043	09.11.1995 Original published format: JP 31604395
	[1997/20]
Filing language	EN
Procedural language	EN
Publication	Type:	A1 Application with search report
	No.:	EP0773195
	Date:	14.05.1997
	Language:	EN
	[1997/20]
	Type:	B1 Patent specification
	No.:	EP0773195
	Date:	28.07.1999
	Language:	EN
	[1999/30]
Search report(s)	(Supplementary) European search report - dispatched on:	EP	21.02.1997
Classification	IPC:	C03C13/04, C03C3/06	[1997/20]
	CPC:	C03C13/045 (EP,US); C03B37/027 (EP,US); C03C3/06 (EP,US); G02B6/02 (EP,US); C03B2201/12 (EP,US); C03B2201/31 (EP,US); (+) Y02P40/57 (EP,US); Y10T428/2933 (EP,US); Y10T428/2962 (EP,US); Y10T428/2964 (EP,US) (-)
Designated contracting states	DE, FR, GB, IT [1997/20]
Title	German:	Glaskörper für optische Faser, Verwendung davon, optische Faser und Verfahren zu deren Herstellung	[1997/20]
	English:	Glass body for optical fiber, use thereof, optical fiber, and method of making it	[1997/20]
	French:	Corps vitreux pour fibre optique, utilisation de celui-ci, fibre optique et méthode de sa production	[1997/20]
Examination procedure	01.07.1997	Examination requested [1997/35]
	04.09.1997	Despatch of a communication from the examining division (Time limit: M04)
	09.01.1998	Reply to a communication from the examining division
	06.04.1998	Despatch of a communication from the examining division (Time limit: M04)
	13.08.1998	Reply to a communication from the examining division
	07.10.1998	Despatch of communication of intention to grant (Approval: Yes)
	20.01.1999	Communication of intention to grant the patent
	29.03.1999	Fee for grant paid
	29.03.1999	Fee for publishing/printing paid
Opposition(s)	Opponent(s)	01 28.04.2000 30.05.2000 ADMISSIBLE Heraeus Quarzglas GmbH & Co.KG Quarzstrasse 8 63450 Hanau / DE Opponent's representative Staudt, Armin Walter Sandeldamm 24a 63450 Hanau / DE
		[N/P]
	Former [2009/31]
	Opponent(s)	01 28.04.2000 30.05.2000 ADMISSIBLE Heraeus Quarzglas GmbH & Co.KG Quarzstrasse 8 63450 Hanau / DE Opponent's representative Staudt, Armin Walter Patentanwalt Auf der Mauer 8 63674 Altenstadt / DE
	Former [2001/29]
	Opponent(s)	01 28.04.2000 30.05.2000 ADMISSIBLE Heraeus Quarzglas GmbH & Co.KG Quarzstrasse 63450 Hanau / DE Opponent's representative Staudt, Armin Walter Patentanwälte Grimm & Staudt Edith-Stein-Strasse 22 63075 Offenbach/M. / DE
	Former [2000/25]
	Opponent(s)	01 28.04.2000 30.05.2000 ADMISSIBLE Heraeus Quarzglas GmbH & Co.KG Quarzstrasse 63450 Hanau / DE
	05.06.2000	Invitation to proprietor to file observations on the notice of opposition
	11.10.2000	Reply of patent proprietor to notice(s) of opposition
	21.06.2001	Date of oral proceedings
	06.07.2001	Despatch of minutes of oral proceedings
	06.07.2001	Date of despatch of rejection of opposition
	16.07.2001	Legal effect of rejection of opposition [2001/50]
Fees paid	Renewal fee
	30.10.1998	Renewal fee patent year 03
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	[A]EP0495605 (AMERICAN TELEPHONE & TELEGRAPH [US]) [A] 1-9 * column 2, line 24 - line 43 *;
		[A]EP0171537 (SUMITOMO ELECTRIC INDUSTRIES [JP]) [A] 1-9 * page 4, line 1 - page 5, line 5 *;
		[A]EP0164127 (SUMITOMO ELECTRIC INDUSTRIES [JP]) [A] 1-9 * page 6 *
		[X] - HOSONO H ET AL, "Preferred concentration enhancement of photobleachable defects responsible for 5 eV optical absorption band in SiO/sub 2/:GeO/sub 2/ glass preform by heating in a H/sub 2/ atmosphere", APPLIED PHYSICS LETTERS, 26 JULY 1993, USA, ISSN 0003-6951, (19930726), vol. 63, no. 4, pages 479 - 481, XP000388490 [X] 1-9 * abstract *
		[DX] - H. HOSONO ET AL., "Nature and origin of the 5-eV band in SiO2:GeO2 glasses", PHYSICAL REVIEW, B CONDENSED MATTER., NEW YORK US, (19921101), vol. 46, no. 18, pages 11445 - 11451, XP002024636 [DX] 1-9 * abstract * DOI: http://dx.doi.org/10.1103/PhysRevB.46.11445
		[A] - GUR'YANOV A N ET AL, "Radial distribution of impurity defects in blanks for fiber light guides based on vitreous silica plus germanium dioxide", FIZIKA I KHIMIYA STEKLA, MAY-JUNE 1986, USSR, ISSN 0132-6651, (198606), vol. 12, no. 3, pages 359 - 364, XP002024637 [A] 1-9 * page 364 *
		[A] - TSAI T E ET AL, "Structural origin of the 5.16 eV optical absorption band in silica and Ge-doped silica", APPLIED PHYSICS LETTERS, 21 MARCH 1994, USA, ISSN 0003-6951, (19940321), vol. 64, no. 12, pages 1481 - 1483, XP002024638 [A] 1-9 * abstract * DOI: http://dx.doi.org/10.1063/1.111891
		[A] - SUSA K ET AL, "SOL-GEL DERIVED GE-DOPED SILICA GLASS FOR OPTICAL FIBER APPLICATION II. EXCESS OPTICAL LOSS ", JOURNAL OF NON-CRYSTALLINE SOLIDS, (19910401), vol. 128, no. 2, pages 118 - 125, XP000206675 [A] 1-9 abstract * DOI: http://dx.doi.org/10.1016/0022-3093(91)90503-X

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.

Legal notice
Terms of use
24.2.25; 34p