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Extract from the Register of European Patents

EP About this file: EP3498722

EP3498722 - METHOD FOR PREPARING OLIGOMERIC MANNURONIC DIACID [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  21.01.2022
Database last updated on 28.03.2026
FormerThe patent has been granted
Status updated on  12.02.2021
FormerGrant of patent is intended
Status updated on  25.11.2020
FormerRequest for examination was made
Status updated on  17.05.2019
FormerThe international publication has been made
Status updated on  24.02.2018
Most recent event   Tooltip13.09.2024Lapse of the patent in a contracting state
New state(s): MT		published on 16.10.2024  [2024/42]
Applicant(s)For all designated states
Green Valley (Shanghai) Pharmaceuticals Co., Ltd.
Room 203, Section 102
Building 6
No. 393,421 Niudun Road
China (Shanghai) Pilot Free Trade Zone
Pudong New Area, Shanghai 200131 / CN
[2022/03]
Former [2019/25]For all designated states
Shanghai Green Valley Pharmaceutical Co., Ltd.
421 Niudun Road
Zhang Jiang Hi-Tech Park
Pudong New Area, Shanghai 201203 / CN
Inventor(s)01 / XIAO, Zhongping
501, No. 28
Lane 2139
Huaxia East Road
Pudong New Area
Shanghai 201200 / CN
02 / ZHANG, Zhenqing
701, Building 87
No. 58 Gaohe Road
Suzhou Industrial Park
Suzhou Jiangsu 215123 / CN
03 / GENG, Meiyu
1101, Building 15
Lane 828
Chenhui Road
Shanghai 201203 / CN
04 / DING, Jian
No. 421 Niudun Road
Zhang Jiang Hi-Tech Park
Pudong New Area
Shanghai 201203 / CN
 [2019/26]
Former [2019/25]01 / XIAO, Zhongping
501, No. 28
Lane 2139
Huaxia East Road
Pudong New Area
Shanghai 201200 / CN
02 / ZHANG, Zhenqing
701, Building 87
No. 58 Gaohe Road
Suzhou Industrial Park
Suzhou Jiangsu 215123 / CN
03 / GENG, Meiyu
1101, Building 15
Lane 828
Chenhui Road
Shanghai 201203 / CN
04 / DING, Jian
No. 7, Lane 358
Qingtong Road
Pudong New Area
Shanghai 201203 / CN
Representative(s)Plasseraud IP
104 Rue de Richelieu
CS92104
75080 Paris Cedex 02 / FR
[N/P]
Former [2021/11]Plasseraud IP
66, rue de la Chaussée d'Antin
75440 Paris Cedex 09 / FR
Former [2019/25]Cabinet Plasseraud
66, rue de la Chaussée d'Antin
75440 Paris Cedex 09 / FR
Application number, filing date16913036.615.08.2016
[2019/25]
WO2016CN95368
Filing languageZH
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2018032272
Date:22.02.2018
Language:ZH
[2018/08]
Type: A1 Application with search report 
No.:EP3498722
Date:19.06.2019
Language:EN
[2019/25]
Type: B1 Patent specification 
No.:EP3498722
Date:17.03.2021
Language:EN
[2021/11]
Search report(s)International search report - published on:CN22.02.2018
(Supplementary) European search report - dispatched on:EP11.03.2020
ClassificationIPC:C07H1/00, C07H7/033, C08B37/00
[2020/15]
CPC:
C07H1/00 (EP,KR,US); C07H7/033 (EP,KR,US)
Former IPC [2019/25]C07H1/00, C07H7/033
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 [2019/25]
Extension statesBANot yet paid
MENot yet paid
Validation statesMA07.03.2019
TitleGerman:VERFAHREN ZUR HERSTELLUNG EINER OLIGOMEREN MANNURONDISÄURE[2019/25]
English:METHOD FOR PREPARING OLIGOMERIC MANNURONIC DIACID[2019/25]
French:PROCÉDÉ DE PRÉPARATION DE DIACIDE MANNURONIQUE OLIGOMÈRE[2019/25]
Entry into regional phase07.03.2019Translation filed 
07.03.2019National basic fee paid 
07.03.2019Search fee paid 
07.03.2019Designation fee(s) paid 
07.03.2019Examination fee paid 
Examination procedure07.03.2019Examination requested  [2019/25]
16.09.2020Amendment by applicant (claims and/or description)
26.11.2020Communication of intention to grant the patent
05.02.2021Fee for grant paid
05.02.2021Fee for publishing/printing paid
05.02.2021Receipt of the translation of the claim(s)
Opposition(s)20.12.2021No opposition filed within time limit [2022/08]
Fees paidRenewal fee
07.03.2019Renewal fee patent year 03
13.06.2019Renewal fee patent year 04
03.07.2020Renewal 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  TooltipHU15.08.2016
AL17.03.2021
CY17.03.2021
DK17.03.2021
EE17.03.2021
FI17.03.2021
HR17.03.2021
LT17.03.2021
LV17.03.2021
MC17.03.2021
MK17.03.2021
MT17.03.2021
NL17.03.2021
RS17.03.2021
SE17.03.2021
SI17.03.2021
SK17.03.2021
SM17.03.2021
BG17.06.2021
NO17.06.2021
IS17.07.2021
IE15.08.2021
LU15.08.2021
BE31.08.2021
[2024/42]
Former [2024/22]HU15.08.2016
AL17.03.2021
CY17.03.2021
DK17.03.2021
EE17.03.2021
FI17.03.2021
HR17.03.2021
LT17.03.2021
LV17.03.2021
MC17.03.2021
MK17.03.2021
NL17.03.2021
RS17.03.2021
SE17.03.2021
SI17.03.2021
SK17.03.2021
SM17.03.2021
BG17.06.2021
NO17.06.2021
IS17.07.2021
IE15.08.2021
LU15.08.2021
BE31.08.2021
Former [2023/33]HU15.08.2016
AL17.03.2021
CY17.03.2021
DK17.03.2021
EE17.03.2021
FI17.03.2021
HR17.03.2021
LT17.03.2021
LV17.03.2021
MC17.03.2021
NL17.03.2021
RS17.03.2021
SE17.03.2021
SI17.03.2021
SK17.03.2021
SM17.03.2021
BG17.06.2021
NO17.06.2021
IS17.07.2021
IE15.08.2021
LU15.08.2021
BE31.08.2021
Former [2023/30]AL17.03.2021
CY17.03.2021
DK17.03.2021
EE17.03.2021
FI17.03.2021
HR17.03.2021
LT17.03.2021
LV17.03.2021
MC17.03.2021
NL17.03.2021
RS17.03.2021
SE17.03.2021
SI17.03.2021
SK17.03.2021
SM17.03.2021
BG17.06.2021
NO17.06.2021
IS17.07.2021
IE15.08.2021
LU15.08.2021
BE31.08.2021
Former [2022/35]AL17.03.2021
DK17.03.2021
EE17.03.2021
FI17.03.2021
HR17.03.2021
LT17.03.2021
LV17.03.2021
MC17.03.2021
NL17.03.2021
RS17.03.2021
SE17.03.2021
SI17.03.2021
SK17.03.2021
SM17.03.2021
BG17.06.2021
NO17.06.2021
IS17.07.2021
IE15.08.2021
LU15.08.2021
BE31.08.2021
Former [2022/34]AL17.03.2021
DK17.03.2021
EE17.03.2021
FI17.03.2021
HR17.03.2021
LT17.03.2021
LV17.03.2021
MC17.03.2021
NL17.03.2021
RS17.03.2021
SE17.03.2021
SI17.03.2021
SK17.03.2021
SM17.03.2021
BG17.06.2021
NO17.06.2021
IS17.07.2021
LU15.08.2021
BE31.08.2021
Former [2022/23]AL17.03.2021
DK17.03.2021
EE17.03.2021
FI17.03.2021
HR17.03.2021
LT17.03.2021
LV17.03.2021
MC17.03.2021
NL17.03.2021
RS17.03.2021
SE17.03.2021
SI17.03.2021
SK17.03.2021
SM17.03.2021
BG17.06.2021
NO17.06.2021
IS17.07.2021
LU15.08.2021
Former [2022/18]AL17.03.2021
DK17.03.2021
EE17.03.2021
FI17.03.2021
HR17.03.2021
LT17.03.2021
LV17.03.2021
MC17.03.2021
NL17.03.2021
RS17.03.2021
SE17.03.2021
SI17.03.2021
SK17.03.2021
SM17.03.2021
BG17.06.2021
NO17.06.2021
Former [2022/13]AL17.03.2021
DK17.03.2021
EE17.03.2021
FI17.03.2021
HR17.03.2021
LT17.03.2021
LV17.03.2021
NL17.03.2021
RS17.03.2021
SE17.03.2021
SI17.03.2021
SK17.03.2021
SM17.03.2021
BG17.06.2021
NO17.06.2021
Former [2022/10]AL17.03.2021
DK17.03.2021
EE17.03.2021
FI17.03.2021
HR17.03.2021
LT17.03.2021
LV17.03.2021
NL17.03.2021
RS17.03.2021
SE17.03.2021
SK17.03.2021
SM17.03.2021
BG17.06.2021
NO17.06.2021
Former [2022/08]AL17.03.2021
DK17.03.2021
EE17.03.2021
FI17.03.2021
HR17.03.2021
LT17.03.2021
LV17.03.2021
NL17.03.2021
RS17.03.2021
SE17.03.2021
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SM17.03.2021
BG17.06.2021
NO17.06.2021
IS17.07.2021
Former [2022/07]AL17.03.2021
EE17.03.2021
FI17.03.2021
HR17.03.2021
LT17.03.2021
LV17.03.2021
NL17.03.2021
RS17.03.2021
SE17.03.2021
SK17.03.2021
SM17.03.2021
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NO17.06.2021
IS17.07.2021
Former [2021/51]EE17.03.2021
FI17.03.2021
HR17.03.2021
LT17.03.2021
LV17.03.2021
NL17.03.2021
RS17.03.2021
SE17.03.2021
SK17.03.2021
SM17.03.2021
BG17.06.2021
NO17.06.2021
IS17.07.2021
Former [2021/50]EE17.03.2021
FI17.03.2021
HR17.03.2021
LT17.03.2021
LV17.03.2021
NL17.03.2021
RS17.03.2021
SE17.03.2021
SK17.03.2021
SM17.03.2021
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NO17.06.2021
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FI17.03.2021
HR17.03.2021
LT17.03.2021
LV17.03.2021
NL17.03.2021
RS17.03.2021
SE17.03.2021
SM17.03.2021
BG17.06.2021
NO17.06.2021
Former [2021/46]FI17.03.2021
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LT17.03.2021
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NL17.03.2021
RS17.03.2021
SE17.03.2021
SM17.03.2021
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NO17.06.2021
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NL17.03.2021
RS17.03.2021
SE17.03.2021
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NO17.06.2021
Former [2021/38]FI17.03.2021
HR17.03.2021
LV17.03.2021
RS17.03.2021
SE17.03.2021
BG17.06.2021
NO17.06.2021
Former [2021/37]FI17.03.2021
HR17.03.2021
LV17.03.2021
RS17.03.2021
BG17.06.2021
NO17.06.2021
Former [2021/36]FI17.03.2021
HR17.03.2021
BG17.06.2021
NO17.06.2021
Former [2021/35]FI17.03.2021
HR17.03.2021
NO17.06.2021
Former [2021/33]FI17.03.2021
NO17.06.2021
Documents cited:Search[Y] EP1736160  (OCEAN UNIV CHINA et al.) [Y] 1-14 * claims 4,7,8 *
 [Y]   GRGUR B N ET AL: "A kinetic study of d-glucose oxidation by bromine in aqueous solutions", CARBOHYDRATE RESEARCH, PERGAMON, GB, vol. 341, no. 11, 14 August 2006 (2006-08-14), pages 1779 - 1787, XP025010500, ISSN: 0008-6215, [retrieved on 20060814], DOI: 10.1016/J.CARRES.2006.04.035 [Y] 1-14 * the whole document *

DOI:   http://dx.doi.org/10.1016/j.carres.2006.04.035
 [Y]   VARELA O: "OXIDATIVE REACTIONS AND DEGRADATIONS OF SUGARS AND POLYSACCHARIDES", ADVANCES IN CARBOHYDRATE CHEMISTRY AND BIOCHEMISTRY, ACADEMIC PRESS, SAN DIEGO, CA, US, vol. 58, 1 January 2003 (2003-01-01), pages 307 - 369, XP008027949, DOI: 10.1016/S0065-2318(03)58006-4 [Y] 1-14 * page 316, paragraph 3 - page 317, column 2 * * page 318, column 3 - page 321, column 3 *

DOI:   http://dx.doi.org/10.1016/S0065-2318(03)58006-4
International search[Y] CN100508985  (OCEAN UNIV CHINA et al.) [Y] 1-14 * , see description, page 2, paragraph 1 to page 3, paragraph 1 *
 [Y] GB289280  (CHEM FAB VORMALS SANDOZ et al.) [Y] 1-14 * , see description, page 1, lines 13-19, and line 69 to page 2, line 1, and embodiment 1 *
 [Y] WO0232913  (UNIV CONNECTICUT et al.) [Y] 1-14 * , see the abstract *
 [Y]   THABURET, J. -F. ET AL.: "TEMPO-mediated Oxidation of Maltodextrins and D-glucose: Effect of pH on the Selectivity and Sequestering Ability of the Resulting Polycarboxylates", CARBOHYDRATE RESEARCH, vol. 330, 31 December 2001 (2001-12-31), pages 21 - 29, XP001031234, DOI: doi:10.1016/S0008-6215(00)00263-9 [Y] 1-14 * , see page 27, and figure 3 *

DOI:   http://dx.doi.org/10.1016/S0008-6215(00)00263-9
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.