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Extract from the Register of European Patents

EP About this file: EP3744791

EP3744791 - POLYCARBONATE RESIN COMPOSITION, PRODUCTION METHOD THEREFOR, AND OPTICAL LENS [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  12.07.2024
Database last updated on 10.05.2025
FormerThe patent has been granted
Status updated on  04.08.2023
FormerGrant of patent is intended
Status updated on  27.03.2023
FormerRequest for examination was made
Status updated on  30.10.2020
FormerThe international publication has been made
Status updated on  03.08.2019
Most recent event   Tooltip31.01.2025Lapse of the patent in a contracting state
New state(s): IE		published on 05.03.2025  [2025/10]
Applicant(s)For all designated states
MITSUBISHI GAS CHEMICAL COMPANY, INC.
5-2, Marunouchi 2-chome
Chiyoda-ku
Tokyo 100-8324 / JP
[2020/49]
Inventor(s)01 / SHIRATAKE, Munenori
c/o MITSUBISHI GAS CHEMICAL COMPANY, INC.
Kashima Plant, 35, Towada
Kamisu-shi, Ibaraki 314-0102 / JP
02 / ISHIHARA, Kentaro
c/o MITSUBISHI GAS CHEMICAL COMPANY, INC. Tokyo
Research Laboratory, 1-1, Niijuku 6-chome
Katsushika-ku
Tokyo 125-8601 / JP
03 / HIROSE, Koji
c/o MITSUBISHI GAS CHEMICAL COMPANY, INC.
5-2, Marunouchi 2-chome, Chiyoda-ku
Tokyo 100-8324 / JP
04 / IKEDA, Shinya
c/o MITSUBISHI GAS CHEMICAL COMPANY, INC. Tokyo
Research Laboratory, 1-1, Niijuku 6-chome
Katsushika-ku
Tokyo 125-8601 / JP
05 / KATO, Noriyuki
c/o MITSUBISHI GAS CHEMICAL COMPANY, INC.
5-2, Marunouchi 2-chome, Chiyoda-ku
Tokyo 100-8324 / JP
06 / KONDO, Mitsuteru
c/o MITSUBISHI GAS CHEMICAL COMPANY, INC. Tokyo
Research Laboratory, 1-1, Niijuku 6-chome
Katsushika-ku
Tokyo 125-8601 / JP
07 / SUZUKI, Shoko
c/o MITSUBISHI GAS CHEMICAL COMPANY, INC. Tokyo
Research Laboratory, 1-1, Niijuku 6-chome
Katsushika-ku
Tokyo 125-8601 / JP
08 / OSHIMA, Kensuke
c/o MITSUBISHI GAS CHEMICAL COMPANY, INC. Tokyo
Research Laboratory, 1-1, Niijuku 6-chome
Katsushika-ku
Tokyo 125-8601 / JP
09 / NAGAYAMA, Shuya
c/o MITSUBISHI GAS CHEMICAL COMPANY, INC. Tokyo
Research Laboratory, 1-1, Niijuku 6-chome
Katsushika-ku
Tokyo 125-8601 / JP
 [2023/36]
Former [2020/49]01 / SHIRATAKE, Munenori
c/o Mitsubishi Gas Chemical Company, Inc.,
Kashima Plant, 35, Towada
Kamisu-shi, Ibaraki 314-0102 / JP
02 / ISHIHARA, Kentaro
c/o Mitsubishi Gas Chemical Company, Inc., Tokyo
Research Laboratory, 1-1, Niijuku 6-chome
Katsushika-ku
Tokyo 125-8601 / JP
03 / HIROSE, Koji
c/o Mitsubishi Gas Chemical Company, Inc., 5-2,
Marunouchi 2-chome, Chiyoda-ku
Tokyo 100-8324 / JP
04 / IKEDA, Shinya
c/o Mitsubishi Gas Chemical Company, Inc., Tokyo
Research Laboratory, 1-1, Niijuku 6-chome
Katsushika-ku
Tokyo 125-8601 / JP
05 / KATO, Noriyuki
c/o Mitsubishi Gas Chemical Company, Inc., 5-2,
Marunouchi 2-chome, Chiyoda-ku
Tokyo 100-8324 / JP
06 / KONDO, Mitsuteru
c/o Mitsubishi Gas Chemical Company, Inc., Tokyo
Research Laboratory, 1-1, Niijuku 6-chome
Katsushika-ku
Tokyo 125-8601 / JP
07 / SUZUKI, Shoko
c/o Mitsubishi Gas Chemical Company, Inc., Tokyo
Research Laboratory, 1-1, Niijuku 6-chome
Katsushika-ku
Tokyo 125-8601 / JP
08 / OSHIMA, Kensuke
c/o Mitsubishi Gas Chemical Company, Inc., Tokyo
Research Laboratory, 1-1, Niijuku 6-chome
Katsushika-ku
Tokyo 125-8601 / JP
09 / NAGAYAMA, Shuya
c/o Mitsubishi Gas Chemical Company, Inc., Tokyo
Research Laboratory, 1-1, Niijuku 6-chome
Katsushika-ku
Tokyo 125-8601 / JP
Representative(s)Hoffmann Eitle
Patent- und Rechtsanwälte PartmbB
Arabellastraße 30
81925 München / DE
[2020/49]
Application number, filing date19743561.318.01.2019
[2020/49]
WO2019JP01375
Priority number, dateJP2018000902423.01.2018         Original published format: JP 2018009024
[2020/49]
Filing languageJA
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2019146507
Date:01.08.2019
Language:JA
[2019/31]
Type: A1 Application with search report 
No.:EP3744791
Date:02.12.2020
Language:EN
[2020/49]
Type: B1 Patent specification 
No.:EP3744791
Date:06.09.2023
Language:EN
[2023/36]
Search report(s)International search report - published on:JP01.08.2019
(Supplementary) European search report - dispatched on:EP16.02.2021
ClassificationIPC:C08L69/00, C08G64/04, C08K5/13, C08K5/51, G02B1/04, C08G64/06, C08K5/00, C08K5/134, C08K5/526
[2021/11]
CPC:
C08G64/06 (EP,US); C08G64/04 (KR); C08J5/18 (KR);
C08K5/005 (EP,KR); C08K5/13 (KR); C08K5/134 (EP,US);
C08K5/524 (KR,US); C08K5/526 (EP); C08L69/00 (KR,US);
G02B1/04 (KR); G02B1/041 (EP,KR,US); C08L2203/16 (US);
C08L2203/30 (US) (-)
C-Set:
C08K5/005, C08L69/00 (EP);
C08K5/134, C08L69/00 (EP);
C08K5/526, C08L69/00 (EP);
G02B1/041, C08L69/00 (EP)
Former IPC [2020/49]C08L69/00, C08G64/04, C08K5/13, C08K5/51, G02B1/04
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 [2020/49]
Extension statesBANot yet paid
MENot yet paid
Validation statesKHNot yet paid
MANot yet paid
MDNot yet paid
TNNot yet paid
TitleGerman:POLYCARBONATHARZZUSAMMENSETZUNG, HERSTELLUNGSVERFAHREN DAFÜR UND OPTISCHE LINSE[2020/49]
English:POLYCARBONATE RESIN COMPOSITION, PRODUCTION METHOD THEREFOR, AND OPTICAL LENS[2020/49]
French:COMPOSITION DE RÉSINE DE POLYCARBONATE, SON PROCÉDÉ DE PRODUCTION ET LENTILLE OPTIQUE[2020/49]
Entry into regional phase01.07.2020Translation filed 
01.07.2020National basic fee paid 
01.07.2020Search fee paid 
01.07.2020Designation fee(s) paid 
01.07.2020Examination fee paid 
Examination procedure01.07.2020Examination requested  [2020/49]
27.08.2021Amendment by applicant (claims and/or description)
28.03.2023Communication of intention to grant the patent
25.07.2023Fee for grant paid
25.07.2023Fee for publishing/printing paid
25.07.2023Receipt of the translation of the claim(s)
Opposition(s)07.06.2024No opposition filed within time limit [2024/33]
Fees paidRenewal fee
10.08.2020Renewal fee patent year 03
17.12.2021Renewal fee patent year 04
14.12.2022Renewal fee patent year 05
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  TooltipAT06.09.2023
BG06.09.2023
CZ06.09.2023
DK06.09.2023
EE06.09.2023
ES06.09.2023
FI06.09.2023
HR06.09.2023
LT06.09.2023
LV06.09.2023
MC06.09.2023
PL06.09.2023
RO06.09.2023
RS06.09.2023
SE06.09.2023
SI06.09.2023
SK06.09.2023
SM06.09.2023
NO06.12.2023
GR07.12.2023
IS06.01.2024
PT08.01.2024
IE18.01.2024
LU18.01.2024
CH31.01.2024
[2025/10]
Former [2024/51]AT06.09.2023
BG06.09.2023
CZ06.09.2023
DK06.09.2023
EE06.09.2023
ES06.09.2023
FI06.09.2023
HR06.09.2023
LT06.09.2023
LV06.09.2023
MC06.09.2023
PL06.09.2023
RO06.09.2023
RS06.09.2023
SE06.09.2023
SI06.09.2023
SK06.09.2023
SM06.09.2023
NO06.12.2023
GR07.12.2023
IS06.01.2024
PT08.01.2024
LU18.01.2024
CH31.01.2024
Former [2024/48]AT06.09.2023
CZ06.09.2023
DK06.09.2023
EE06.09.2023
ES06.09.2023
FI06.09.2023
HR06.09.2023
LT06.09.2023
LV06.09.2023
MC06.09.2023
PL06.09.2023
RO06.09.2023
RS06.09.2023
SE06.09.2023
SI06.09.2023
SK06.09.2023
SM06.09.2023
NO06.12.2023
GR07.12.2023
IS06.01.2024
PT08.01.2024
LU18.01.2024
CH31.01.2024
Former [2024/43]AT06.09.2023
CZ06.09.2023
DK06.09.2023
EE06.09.2023
ES06.09.2023
FI06.09.2023
HR06.09.2023
LT06.09.2023
LV06.09.2023
MC06.09.2023
PL06.09.2023
RO06.09.2023
RS06.09.2023
SE06.09.2023
SI06.09.2023
SK06.09.2023
SM06.09.2023
NO06.12.2023
GR07.12.2023
IS06.01.2024
PT08.01.2024
LU18.01.2024
Former [2024/40]AT06.09.2023
CZ06.09.2023
DK06.09.2023
EE06.09.2023
ES06.09.2023
FI06.09.2023
HR06.09.2023
LT06.09.2023
LV06.09.2023
MC06.09.2023
PL06.09.2023
RO06.09.2023
RS06.09.2023
SE06.09.2023
SI06.09.2023
SK06.09.2023
SM06.09.2023
NO06.12.2023
GR07.12.2023
IS06.01.2024
PT08.01.2024
Former [2024/36]AT06.09.2023
CZ06.09.2023
DK06.09.2023
EE06.09.2023
ES06.09.2023
FI06.09.2023
HR06.09.2023
LT06.09.2023
LV06.09.2023
PL06.09.2023
RO06.09.2023
RS06.09.2023
SE06.09.2023
SI06.09.2023
SK06.09.2023
SM06.09.2023
NO06.12.2023
GR07.12.2023
IS06.01.2024
PT08.01.2024
Former [2024/33]AT06.09.2023
CZ06.09.2023
DK06.09.2023
EE06.09.2023
ES06.09.2023
FI06.09.2023
HR06.09.2023
LT06.09.2023
LV06.09.2023
PL06.09.2023
RO06.09.2023
RS06.09.2023
SE06.09.2023
SK06.09.2023
SM06.09.2023
NO06.12.2023
GR07.12.2023
IS06.01.2024
PT08.01.2024
Former [2024/25]AT06.09.2023
CZ06.09.2023
EE06.09.2023
ES06.09.2023
FI06.09.2023
HR06.09.2023
LT06.09.2023
LV06.09.2023
PL06.09.2023
RO06.09.2023
RS06.09.2023
SE06.09.2023
SK06.09.2023
SM06.09.2023
NO06.12.2023
GR07.12.2023
IS06.01.2024
PT08.01.2024
Former [2024/23]AT06.09.2023
CZ06.09.2023
EE06.09.2023
ES06.09.2023
FI06.09.2023
HR06.09.2023
LT06.09.2023
LV06.09.2023
RO06.09.2023
RS06.09.2023
SE06.09.2023
SK06.09.2023
SM06.09.2023
NO06.12.2023
GR07.12.2023
IS06.01.2024
PT08.01.2024
Former [2024/20]FI06.09.2023
HR06.09.2023
LT06.09.2023
LV06.09.2023
RS06.09.2023
SE06.09.2023
SM06.09.2023
NO06.12.2023
GR07.12.2023
IS06.01.2024
Former [2024/10]FI06.09.2023
HR06.09.2023
LT06.09.2023
LV06.09.2023
RS06.09.2023
SE06.09.2023
NO06.12.2023
GR07.12.2023
Former [2024/09]FI06.09.2023
LT06.09.2023
SE06.09.2023
NO06.12.2023
GR07.12.2023
Former [2024/08]LT06.09.2023
NO06.12.2023
GR07.12.2023
Documents cited:Search[A]EP2918621  (MITSUBISHI GAS CHEMICAL CO [JP]);
 [XP]WO2018016516  (MITSUBISHI GAS CHEMICAL CO [JP]);
 EP3489279  [ ] (MITSUBISHI GAS CHEMICAL CO [JP])
International search[Y]WO2009014050  (TEIJIN CHEMICALS LTD [JP], et al);
 [Y]JP2017020043  (SUMIKA STYRON POLYCARBONATE);
 [Y]JP2017179323  (OSAKA GAS CHEM KK);
 [PY]WO2018016516  (MITSUBISHI GAS CHEMICAL CO [JP]);
 [PY]JP2018104691  (OSAKA GAS CHEM KK)
by applicantJPS5442800B
 JPH0625398
 WO2007142149
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.