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Extract from the Register of European Patents

EP About this file: EP3453731

EP3453731 - METHOD FOR SYNTHESIZING PBAT-PLA COPOLYESTER BY MEANS OF COPOLYMERIZATION [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  11.09.2020
Database last updated on 30.09.2024
FormerThe patent has been granted
Status updated on  04.10.2019
FormerGrant of patent is intended
Status updated on  29.07.2019
FormerRequest for examination was made
Status updated on  08.02.2019
FormerThe international publication has been made
Status updated on  18.01.2019
Formerunknown
Status updated on  22.10.2018
Most recent event   Tooltip15.07.2022Lapse of the patent in a contracting state
New state(s): MK		published on 17.08.2022  [2022/33]
Applicant(s)For all designated states
Henan Green polymer co., Ltd
Bin Mao
southwest of Changyi Road and Futan Road
Nanle
County industrial district, Puyang
Henan 457400 / CN
[2019/11]
Inventor(s)01 / RUAN, Liuwen
Room 503
Building 5
Sunshine Garden
Ru Cheng Town
Rugao Jiangsu 226500 / CN
02 / LI, Wanxin
Room 305
Building 6
No.50
Kaifang middle Road, Tinghu district
Yancheng Jiangsu 226500 / CN
03 / TANG, Yongbin
Room 201
Building 20
Xinghu Garden
Development zone
Nantong Jiangsu 226000 / CN
04 / HE, Xinyu
Room 508
Building 6
Guangming New village
Chongchuan District
Nantong Jiangsu 226000 / CN
05 / YANG, Wenjun
No.45
Group eight
Yongfu village
Changjiang Town
Rugao Jiangsu 226500 / CN
06 / MAO, Bin
Room 606
Building 165
Yi Jia Qiao New Village
Chongchuan District
Nantong Jiangsu 226000 / CN
 [2019/11]
Representative(s)Sun, Yiming
HUASUN Patent- und Rechtsanwälte
Friedrichstraße 33
80801 München / DE
[2019/11]
Application number, filing date17905898.729.08.2017
[2019/11]
WO2017CN99437
Priority number, dateCN20171055972811.07.2017         Original published format: CN201710559728
[2019/11]
Filing languageZH
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2019010767
Date:17.01.2019
Language:ZH
[2019/03]
Type: A1 Application with search report 
No.:EP3453731
Date:13.03.2019
Language:EN
[2019/11]
Type: B1 Patent specification 
No.:EP3453731
Date:06.11.2019
Language:EN
[2019/45]
Search report(s)International search report - published on:CN17.01.2019
(Supplementary) European search report - dispatched on:EP04.04.2019
ClassificationIPC:C08G63/60, C08G63/78, C08G63/183, C08G63/08
[2019/11]
CPC:
C08G81/00 (EP); C08G63/60 (EP,CN,US); C08G63/08 (CN,US);
C08G63/183 (CN,US); C08G63/78 (EP,CN); C08G63/823 (US);
C08G63/83 (CN); C08G63/85 (CN,US) (-)
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 [2019/11]
Extension statesBANot yet paid
MENot yet paid
Validation statesMANot yet paid
MDNot yet paid
TitleGerman:VERFAHREN ZUR SYNTHESE VON PBAT-PLA-COPOLYESTER DURCH COPOLYMERISIERUNG[2019/11]
English:METHOD FOR SYNTHESIZING PBAT-PLA COPOLYESTER BY MEANS OF COPOLYMERIZATION[2019/11]
French:PROCÉDÉ DE SYNTHÈSE DE COPOLYESTER PBAT-PLA PAR COPOLYMÉRISATION[2019/11]
Entry into regional phase22.10.2018Translation filed 
22.10.2018National basic fee paid 
22.10.2018Search fee paid 
22.10.2018Designation fee(s) paid 
22.10.2018Examination fee paid 
Examination proceduredeletedDate on which the examining division has become responsible
22.10.2018Examination requested  [2019/11]
30.07.2019Communication of intention to grant the patent
26.09.2019Fee for grant paid
26.09.2019Fee for publishing/printing paid
26.09.2019Receipt of the translation of the claim(s)
Opposition(s)07.08.2020No opposition filed within time limit [2020/42]
Fees paidRenewal fee
02.09.2019Renewal 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.
Lapses during opposition  TooltipHU29.08.2017
AL06.11.2019
AT06.11.2019
CY06.11.2019
CZ06.11.2019
DK06.11.2019
EE06.11.2019
ES06.11.2019
FI06.11.2019
HR06.11.2019
LT06.11.2019
LV06.11.2019
MC06.11.2019
MK06.11.2019
MT06.11.2019
PL06.11.2019
RO06.11.2019
RS06.11.2019
SE06.11.2019
SI06.11.2019
SK06.11.2019
SM06.11.2019
TR06.11.2019
BG06.02.2020
NO06.02.2020
GR07.02.2020
IS06.03.2020
PT06.03.2020
[2022/33]
Former [2022/27]HU29.08.2017
AL06.11.2019
AT06.11.2019
CY06.11.2019
CZ06.11.2019
DK06.11.2019
EE06.11.2019
ES06.11.2019
FI06.11.2019
HR06.11.2019
LT06.11.2019
LV06.11.2019
MC06.11.2019
MT06.11.2019
PL06.11.2019
RO06.11.2019
RS06.11.2019
SE06.11.2019
SI06.11.2019
SK06.11.2019
SM06.11.2019
TR06.11.2019
BG06.02.2020
NO06.02.2020
GR07.02.2020
IS06.03.2020
PT06.03.2020
Former [2021/18]AL06.11.2019
AT06.11.2019
CZ06.11.2019
DK06.11.2019
EE06.11.2019
ES06.11.2019
FI06.11.2019
HR06.11.2019
LT06.11.2019
LV06.11.2019
MC06.11.2019
PL06.11.2019
RO06.11.2019
RS06.11.2019
SE06.11.2019
SI06.11.2019
SK06.11.2019
SM06.11.2019
BG06.02.2020
NO06.02.2020
GR07.02.2020
IS06.03.2020
PT06.03.2020
Former [2020/51]AL06.11.2019
AT06.11.2019
CZ06.11.2019
DK06.11.2019
EE06.11.2019
ES06.11.2019
FI06.11.2019
HR06.11.2019
LT06.11.2019
LV06.11.2019
PL06.11.2019
RO06.11.2019
RS06.11.2019
SE06.11.2019
SI06.11.2019
SK06.11.2019
SM06.11.2019
BG06.02.2020
NO06.02.2020
GR07.02.2020
IS06.03.2020
PT06.03.2020
Former [2020/37]AL06.11.2019
CZ06.11.2019
DK06.11.2019
EE06.11.2019
ES06.11.2019
FI06.11.2019
HR06.11.2019
LT06.11.2019
LV06.11.2019
PL06.11.2019
RO06.11.2019
RS06.11.2019
SE06.11.2019
SK06.11.2019
SM06.11.2019
BG06.02.2020
NO06.02.2020
GR07.02.2020
IS06.03.2020
PT06.03.2020
Former [2020/36]AL06.11.2019
CZ06.11.2019
DK06.11.2019
EE06.11.2019
ES06.11.2019
FI06.11.2019
HR06.11.2019
LT06.11.2019
LV06.11.2019
PL06.11.2019
RO06.11.2019
RS06.11.2019
SE06.11.2019
BG06.02.2020
NO06.02.2020
GR07.02.2020
IS06.03.2020
PT06.03.2020
Former [2020/35]AL06.11.2019
CZ06.11.2019
ES06.11.2019
FI06.11.2019
HR06.11.2019
LT06.11.2019
LV06.11.2019
PL06.11.2019
RO06.11.2019
RS06.11.2019
SE06.11.2019
BG06.02.2020
NO06.02.2020
GR07.02.2020
IS06.03.2020
PT06.03.2020
Former [2020/34]AL06.11.2019
ES06.11.2019
FI06.11.2019
HR06.11.2019
LT06.11.2019
LV06.11.2019
PL06.11.2019
RS06.11.2019
SE06.11.2019
BG06.02.2020
NO06.02.2020
GR07.02.2020
IS06.03.2020
PT06.03.2020
Former [2020/32]AL06.11.2019
FI06.11.2019
HR06.11.2019
LT06.11.2019
LV06.11.2019
PL06.11.2019
RS06.11.2019
SE06.11.2019
BG06.02.2020
NO06.02.2020
GR07.02.2020
IS06.03.2020
PT06.03.2020
Former [2020/25]FI06.11.2019
HR06.11.2019
LT06.11.2019
LV06.11.2019
PL06.11.2019
RS06.11.2019
SE06.11.2019
BG06.02.2020
NO06.02.2020
GR07.02.2020
IS06.03.2020
PT06.03.2020
Former [2020/24]FI06.11.2019
LT06.11.2019
LV06.11.2019
PL06.11.2019
SE06.11.2019
BG06.02.2020
NO06.02.2020
GR07.02.2020
IS06.03.2020
PT06.03.2020
Former [2020/23]FI06.11.2019
LT06.11.2019
LV06.11.2019
PL06.11.2019
SE06.11.2019
BG06.02.2020
NO06.02.2020
GR07.02.2020
PT06.03.2020
Former [2020/22]FI06.11.2019
LT06.11.2019
SE06.11.2019
BG06.02.2020
NO06.02.2020
PT06.03.2020
Former [2020/21]NO06.02.2020
Documents cited:Search[A]CN103819884  (SHANGHAI ZAIHE IND INVEST CO LTD) [A] 1-10 * melt extrsusion of PLA/PBAT and PBAT pre-polymer (degree of polymerisation 50-5000);; example embodiment 11 * * abstract *;
 [A]  - MARIA-BEATRICE COLTELLI ET AL, "Compatible blends of biorelated polyesters through catalytic transesterification in the melt", POLYMER DEGRADATION AND STABILITY, GB, (20110321), vol. 96, no. 5, doi:10.1016/j.polymdegradstab.2011.01.028, ISSN 0141-3910, pages 982 - 990, XP055531954 [A] 1-10 * the whole document *

DOI:   http://dx.doi.org/10.1016/j.polymdegradstab.2011.01.028
 [A]  - P. MA ET AL, "In-situ compatibilization of poly(lactic acid) and poly(butylene adipate-co-terephthalate) blends by using dicumyl peroxide as a free-radical initiator", POLYMER DEGRADATION AND STABILITY, GB, (20140401), vol. 102, doi:10.1016/j.polymdegradstab.2014.01.025, ISSN 0141-3910, pages 145 - 151, XP055531951 [A] 1-10 * the whole document *

DOI:   http://dx.doi.org/10.1016/j.polymdegradstab.2014.01.025
International search[A]JPH10287735  (KANEBO LTD) [A] 1-10 * , see entire document *;
 [A]CN102838734  (CHANGCHUN APPLIED CHEMISTRY) [A] 1-10 * , see description, paragraphs [0007]-[0025] *;
 [A]WO2013073819  (SK CHEMICALS CO LTD [KR]) [A] 1-10* , see entire document *;
 [A]CN103589124  (SHANGHAI GENIUS ADVANCED MAT) [A] 1-10 * , see entire document *;
 [A]CN103788346  (CHINA PETROLEUM & CHEMICAL, et al) [A] 1-10 * , see description, paragraphs [0004]-[0008] *;
 [A]KR20140075468  (SAMSUNG FINE CHEMICALS CO LTD [KR]) [A] 1-10 * , see entire document *;
 [A]CN105440267  (CHANGCHUN INST APPLIED CHEMISTRY CAS) [A] 1-10 * , see entire document *;
 [A]CN105524262  (CHANGCHUN INST APPLIED CHEMISTRY CAS) [A] 1-10 * , see entire document *
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.