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Extract from the Register of European Patents

EP About this file: EP3573934

EP3573934 - HIGH REFRACTIVE INDEX TITANIUM-NIOBIUM PHOSPHATE GLASS [Right-click to bookmark this link]
StatusThe patent has been granted
Status updated on  01.10.2021
Database last updated on 02.09.2024
FormerGrant of patent is intended
Status updated on  18.05.2021
FormerExamination is in progress
Status updated on  14.08.2020
FormerRequest for examination was made
Status updated on  01.11.2019
FormerThe international publication has been made
Status updated on  04.08.2018
Formerunknown
Status updated on  14.02.2018
Most recent event   Tooltip10.05.2024Lapse of the patent in a contracting state
New state(s): HU		published on 12.06.2024  [2024/24]
Applicant(s)For all designated states
Corning Incorporated
1 Riverfront Plaza
Corning, New York 14831 / US
[2019/49]
Inventor(s)01 / AITKEN, Bruce Gardiner
10235 Beaver Pond Lane
Corning, New York 14830 / US
 [2019/49]
Representative(s)Elkington and Fife LLP
Prospect House
8 Pembroke Road
Sevenoaks, Kent TN13 1XR / GB
[2019/49]
Application number, filing date18703181.023.01.2018
[2019/49]
WO2018US14826
Priority number, dateUS201762450178P25.01.2017         Original published format: US 201762450178 P
[2019/49]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2018140390
Date:02.08.2018
Language:EN
[2018/31]
Type: A1 Application with search report 
No.:EP3573934
Date:04.12.2019
Language:EN
The application published by WIPO in one of the EPO official languages on 02.08.2018 takes the place of the publication of the European patent application.
[2019/49]
Type: B1 Patent specification 
No.:EP3573934
Date:03.11.2021
Language:EN
[2021/44]
Search report(s)International search report - published on:EP02.08.2018
ClassificationIPC:C03C3/21, G02B1/00
[2019/49]
CPC:
C03C3/21 (EP,KR,US); C03C4/00 (US); G02B1/00 (KR)
Designated contracting statesAL,   AT,   BE,   BG,   CH,   CY,   CZ,   DE,   DK,   EE,   ES,   FI,   FR,   GB,   GR,   HR,   HU,   IE,   IS,   IT,   LI,   LT,   LU,   LV,   MC,   MK,   MT,   NL,   NO,   PL,   PT,   RO,   RS,   SE,   SI,   SK,   SM,   TR [2019/49]
Extension statesBANot yet paid
MENot yet paid
Validation statesMANot yet paid
MDNot yet paid
TNNot yet paid
TitleGerman:TITAN-NIOB-PHOSPHATGLAS MIT HOHEM BRECHUNGSINDEX[2019/49]
English:HIGH REFRACTIVE INDEX TITANIUM-NIOBIUM PHOSPHATE GLASS[2019/49]
French:VERRE DE TITANE NIOBIUM PHOSPHATE AVEC HAUT INDICE DE REFRACTION[2021/22]
Former [2019/49]VERRE DE PHOSPHATE DE TITANE-NIOBIUM À INDICE DE RÉFRACTION ÉLEVÉ
Entry into regional phase15.08.2019National basic fee paid 
15.08.2019Designation fee(s) paid 
15.08.2019Examination fee paid 
Examination procedure31.07.2019Amendment by applicant (claims and/or description)
15.08.2019Examination requested  [2019/49]
15.08.2019Date on which the examining division has become responsible
13.08.2020Despatch of a communication from the examining division (Time limit: M04)
11.12.2020Reply to a communication from the examining division
19.05.2021Communication of intention to grant the patent
28.09.2021Fee for grant paid
28.09.2021Fee for publishing/printing paid
28.09.2021Receipt of the translation of the claim(s)
Divisional application(s)EP21197760.8  / EP3943459
Opposition(s)Opponent(s)01  02.08.2022  19.10.2022  ADMISSIBLE
Kronthaler, Wolfgang
Pfarrstrasse 14
80538 München / DE
Opponent's representative
Kronthaler, Schmidt & Coll.
Intellectual Property Counselors Pfarrstrasse 14
80538 München / DE
 [2022/47]
Former [2022/36]
Opponent(s)01  02.08.2022   
Kronthaler, Wolfgang
Pfarrstrasse 14
80538 München / DE
Opponent's representative
Kronthaler, Schmidt & Coll.
Intellectual Property Counselors Pfarrstrasse 14
80538 München / DE
24.10.2022Invitation to proprietor to file observations on the notice of opposition
24.02.2023Reply of patent proprietor to notice(s) of opposition
Fees paidRenewal fee
10.01.2020Renewal fee patent year 03
12.01.2021Renewal fee patent year 04
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  TooltipHU23.01.2018
AL03.11.2021
AT03.11.2021
CY03.11.2021
CZ03.11.2021
DK03.11.2021
EE03.11.2021
ES03.11.2021
FI03.11.2021
HR03.11.2021
IT03.11.2021
LT03.11.2021
LV03.11.2021
MC03.11.2021
MK03.11.2021
NL03.11.2021
PL03.11.2021
RO03.11.2021
RS03.11.2021
SE03.11.2021
SI03.11.2021
SK03.11.2021
SM03.11.2021
IE23.01.2022
LU23.01.2022
BE31.01.2022
CH31.01.2022
FR31.01.2022
LI31.01.2022
BG03.02.2022
GB03.02.2022
NO03.02.2022
GR04.02.2022
IS03.03.2022
PT03.03.2022
[2024/24]
Former [2024/23]AL03.11.2021
AT03.11.2021
CY03.11.2021
CZ03.11.2021
DK03.11.2021
EE03.11.2021
ES03.11.2021
FI03.11.2021
HR03.11.2021
IT03.11.2021
LT03.11.2021
LV03.11.2021
MC03.11.2021
MK03.11.2021
NL03.11.2021
PL03.11.2021
RO03.11.2021
RS03.11.2021
SE03.11.2021
SI03.11.2021
SK03.11.2021
SM03.11.2021
IE23.01.2022
LU23.01.2022
BE31.01.2022
CH31.01.2022
FR31.01.2022
LI31.01.2022
BG03.02.2022
GB03.02.2022
NO03.02.2022
GR04.02.2022
IS03.03.2022
PT03.03.2022
Former [2024/20]AL03.11.2021
AT03.11.2021
CY03.11.2021
CZ03.11.2021
DK03.11.2021
EE03.11.2021
ES03.11.2021
FI03.11.2021
HR03.11.2021
IT03.11.2021
LT03.11.2021
LV03.11.2021
MC03.11.2021
NL03.11.2021
PL03.11.2021
RO03.11.2021
RS03.11.2021
SE03.11.2021
SI03.11.2021
SK03.11.2021
SM03.11.2021
IE23.01.2022
LU23.01.2022
BE31.01.2022
CH31.01.2022
FR31.01.2022
LI31.01.2022
BG03.02.2022
GB03.02.2022
NO03.02.2022
GR04.02.2022
IS03.03.2022
PT03.03.2022
Former [2023/27]AL03.11.2021
AT03.11.2021
CZ03.11.2021
DK03.11.2021
EE03.11.2021
ES03.11.2021
FI03.11.2021
HR03.11.2021
IT03.11.2021
LT03.11.2021
LV03.11.2021
MC03.11.2021
NL03.11.2021
PL03.11.2021
RO03.11.2021
RS03.11.2021
SE03.11.2021
SI03.11.2021
SK03.11.2021
SM03.11.2021
IE23.01.2022
LU23.01.2022
BE31.01.2022
CH31.01.2022
FR31.01.2022
LI31.01.2022
BG03.02.2022
GB03.02.2022
NO03.02.2022
GR04.02.2022
IS03.03.2022
PT03.03.2022
Former [2023/08]AL03.11.2021
AT03.11.2021
CZ03.11.2021
DK03.11.2021
EE03.11.2021
ES03.11.2021
FI03.11.2021
HR03.11.2021
LT03.11.2021
LV03.11.2021
MC03.11.2021
NL03.11.2021
PL03.11.2021
RO03.11.2021
RS03.11.2021
SE03.11.2021
SI03.11.2021
SK03.11.2021
SM03.11.2021
IE23.01.2022
LU23.01.2022
BE31.01.2022
CH31.01.2022
FR31.01.2022
LI31.01.2022
BG03.02.2022
GB03.02.2022
NO03.02.2022
GR04.02.2022
IS03.03.2022
PT03.03.2022
Former [2023/03]AL03.11.2021
AT03.11.2021
CZ03.11.2021
DK03.11.2021
EE03.11.2021
ES03.11.2021
FI03.11.2021
HR03.11.2021
LT03.11.2021
LV03.11.2021
MC03.11.2021
NL03.11.2021
PL03.11.2021
RO03.11.2021
RS03.11.2021
SE03.11.2021
SI03.11.2021
SK03.11.2021
SM03.11.2021
LU23.01.2022
BE31.01.2022
CH31.01.2022
FR31.01.2022
LI31.01.2022
BG03.02.2022
NO03.02.2022
GR04.02.2022
IS03.03.2022
PT03.03.2022
Former [2023/01]AL03.11.2021
AT03.11.2021
CZ03.11.2021
DK03.11.2021
EE03.11.2021
ES03.11.2021
FI03.11.2021
HR03.11.2021
LT03.11.2021
LV03.11.2021
MC03.11.2021
NL03.11.2021
PL03.11.2021
RO03.11.2021
RS03.11.2021
SE03.11.2021
SI03.11.2021
SK03.11.2021
SM03.11.2021
LU23.01.2022
BE31.01.2022
FR31.01.2022
BG03.02.2022
NO03.02.2022
GR04.02.2022
IS03.03.2022
PT03.03.2022
Former [2022/50]AL03.11.2021
AT03.11.2021
CZ03.11.2021
DK03.11.2021
EE03.11.2021
ES03.11.2021
FI03.11.2021
HR03.11.2021
LT03.11.2021
LV03.11.2021
MC03.11.2021
NL03.11.2021
PL03.11.2021
RO03.11.2021
RS03.11.2021
SE03.11.2021
SK03.11.2021
SM03.11.2021
LU23.01.2022
FR31.01.2022
BG03.02.2022
NO03.02.2022
GR04.02.2022
IS03.03.2022
PT03.03.2022
Former [2022/49]AL03.11.2021
AT03.11.2021
CZ03.11.2021
DK03.11.2021
EE03.11.2021
ES03.11.2021
FI03.11.2021
HR03.11.2021
LT03.11.2021
LV03.11.2021
MC03.11.2021
NL03.11.2021
PL03.11.2021
RO03.11.2021
RS03.11.2021
SE03.11.2021
SK03.11.2021
SM03.11.2021
LU23.01.2022
BG03.02.2022
NO03.02.2022
GR04.02.2022
IS03.03.2022
PT03.03.2022
Former [2022/46]AT03.11.2021
CZ03.11.2021
DK03.11.2021
EE03.11.2021
ES03.11.2021
FI03.11.2021
HR03.11.2021
LT03.11.2021
LV03.11.2021
MC03.11.2021
NL03.11.2021
PL03.11.2021
RO03.11.2021
RS03.11.2021
SE03.11.2021
SK03.11.2021
SM03.11.2021
LU23.01.2022
BG03.02.2022
NO03.02.2022
GR04.02.2022
IS03.03.2022
PT03.03.2022
Former [2022/39]AT03.11.2021
CZ03.11.2021
DK03.11.2021
EE03.11.2021
ES03.11.2021
FI03.11.2021
HR03.11.2021
LT03.11.2021
LV03.11.2021
MC03.11.2021
NL03.11.2021
PL03.11.2021
RO03.11.2021
RS03.11.2021
SE03.11.2021
SK03.11.2021
SM03.11.2021
BG03.02.2022
NO03.02.2022
GR04.02.2022
IS03.03.2022
PT03.03.2022
Former [2022/35]AT03.11.2021
CZ03.11.2021
DK03.11.2021
EE03.11.2021
ES03.11.2021
FI03.11.2021
HR03.11.2021
LT03.11.2021
LV03.11.2021
NL03.11.2021
PL03.11.2021
RO03.11.2021
RS03.11.2021
SE03.11.2021
SK03.11.2021
SM03.11.2021
BG03.02.2022
NO03.02.2022
GR04.02.2022
IS03.03.2022
PT03.03.2022
Former [2022/34]AT03.11.2021
EE03.11.2021
ES03.11.2021
FI03.11.2021
HR03.11.2021
LT03.11.2021
LV03.11.2021
NL03.11.2021
PL03.11.2021
RO03.11.2021
RS03.11.2021
SE03.11.2021
SM03.11.2021
BG03.02.2022
NO03.02.2022
GR04.02.2022
IS03.03.2022
PT03.03.2022
Former [2022/33]AT03.11.2021
ES03.11.2021
FI03.11.2021
HR03.11.2021
LT03.11.2021
LV03.11.2021
NL03.11.2021
PL03.11.2021
RS03.11.2021
SE03.11.2021
SM03.11.2021
BG03.02.2022
NO03.02.2022
GR04.02.2022
IS03.03.2022
PT03.03.2022
Former [2022/25]AT03.11.2021
ES03.11.2021
FI03.11.2021
HR03.11.2021
LT03.11.2021
LV03.11.2021
NL03.11.2021
PL03.11.2021
RS03.11.2021
SE03.11.2021
BG03.02.2022
NO03.02.2022
GR04.02.2022
IS03.03.2022
PT03.03.2022
Former [2022/24]AT03.11.2021
ES03.11.2021
FI03.11.2021
HR03.11.2021
LT03.11.2021
LV03.11.2021
NL03.11.2021
PL03.11.2021
RS03.11.2021
SE03.11.2021
BG03.02.2022
GR04.02.2022
IS03.03.2022
PT03.03.2022
Former [2022/23]AT03.11.2021
ES03.11.2021
FI03.11.2021
HR03.11.2021
LT03.11.2021
LV03.11.2021
PL03.11.2021
RS03.11.2021
BG03.02.2022
PT03.03.2022
Former [2022/22]AT03.11.2021
FI03.11.2021
LT03.11.2021
RS03.11.2021
BG03.02.2022
Former [2022/21]AT03.11.2021
RS03.11.2021
BG03.02.2022
Former [2022/19]BG03.02.2022
Cited inInternational search[XAI]JP2005097036  (KAWAZOE FRONTIER TECHNOLOGY KK) [X] 1-3,9-12 * Paragraphs [0001], [0018], [0024], [0043];; table 1 * [A] 4-8,13-16,20 [I] 17-19;
 [XAI]US2012135199  (SATOU KOUICHI [JP], et al) [X] 9-12,17,20 * Paragraphs [0002], [0026], [0180]-[0182];; figures 2-4; examples 1-6; table 2 * [A] 1-8,13-16 [I] 18,19;
 [XAI]US2015064576  (AITKEN BRUCE GARDINER [US], et al) [X] 4,5,7-12,15,16 * Paragraphs [0003], [0009], [0011], [0034], [0040];; table 1 * [A] 1-3,13,14,20 [I] 6,17-19;
 [XAI]US2016304390  (MIKAMI SHUHEI [JP]) [X] 4,5,7-12,16,17,20 * Paragraphs [0002], [0142], glass compositions I and II;; examples 1-3; tables 1, 3 * [A] 1-3,13-15 [I] 6,18,19;
 [XAI]  - ZAINE TEIXEIRA, OSWALDO LUIZ ALVES, ITALO ODONE MAZALI, "Structure, Thermal Behavior, Chemical Durability, and Optical Properties of the Na2O-Al2O3-TiO2-Nb2O5-P2O5 Glass System", JOURNAL OF THE AMERICAN CERAMIC SOCIETY., US, (20070101), vol. 90, no. 1, doi:10.1111/j.1551-2916.2006.01399.x, ISSN 0002-7820, pages 256 - 263, XP055457935 [X] 1,2,4,5,7,9,11,15-18,20 * Section I, section II, parts (1), (2), section III, part (5), section IV;; figure 9; tables I, II * [A] 13,14 [I] 3,6,8,10,12,19

DOI:   http://dx.doi.org/10.1111/j.1551-2916.2006.01399.x
 [XAI]  - RACHKOVSKAYA G. E., BOBKOVA N. M., "Semiconducting niobate-phosphate glasses. Structure and properties", JOURNAL OF NON-CRYSTALLINE SOLIDS, NORTH-HOLLAND PHYSICS PUBLISHING. AMSTERDAM, NL, vol. 90, no. 1-3, doi:10.1016/S0022-3093(87)80499-4, ISSN 0022-3093, (19870201), pages 617 - 620, (19870201), XP026025979 [X] 1,4,5 * Sections 1, 2, 3;; figures 1, 2 * [A] 2,3,7-18,20 [I] 6,19

DOI:   http://dx.doi.org/10.1016/S0022-3093(87)80499-4
OppositionJP2010222236
 CN101941797
 CN102515527
 JP2013212935
 JP2013227197
 WO2015046428
 JP2015063460
 WO2017006998
    - "OPTOELECTRO-MECHANICS", JAPAN OPTOELECTRO-MECHANICS ASSOCIATION, (1995), pages 13 - 16
    - Anonymous, "CDGM Optical Glass Data Sheet", CDGM GLASS CO., LTD, (20211101), pages 1 - 330, XP055952348
    - ANONYMOUS, "CDGM Data Sheet", pages 1 - 145
    - ANONYMOUS, "OPTICAL GLASS Data Sheets", Schott NORTH AMERICA, Inc.,, page 137PP
    - "SCHOTT Optical Glass", (20220124), pages 1 - 102
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.