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Extract from the Register of European Patents

EP About this file: EP2735576

EP2735576 - SUPERCRITICAL CARBON DIOXIDE-ASSISTED SOLID-PHASE GRAFTING MODIFICATION METHOD FOR POLYPROPYLENE [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  12.02.2021
Database last updated on 15.07.2024
FormerThe patent has been granted
Status updated on  06.03.2020
FormerGrant of patent is intended
Status updated on  15.12.2019
Most recent event   Tooltip08.07.2022Lapse of the patent in a contracting state
New state(s): MK		published on 10.08.2022  [2022/32]
Applicant(s)For all designated states
Petrochina Company Limited
9 Dongzhimen North Street
Dongcheng District
Beijing 100007 / CN
[2020/15]
Former [2014/22]For all designated states
Petrochina Company Limited
9 Dongzhimen North Street Dongcheng District
Beijing 100007 / CN
Inventor(s)01 / WANG, Wenyan
9 Dongzhimen North Street
Dongcheng District
Beijing 100007 / CN
02 / ZHANG, Mingqiang
9 Dongzhimen North Street
Dongcheng District
Beijing 100007 / CN
03 / WANG, Jian
9 Dongzhimen North Street
Dongcheng District
Beijing 100007 / CN
04 / WANG, Dengfei
9 Dongzhimen North Street
Dongcheng District
Beijing 100007 / CN
05 / ZOU, Enguang
9 Dongzhimen North Street
Dongcheng District
Beijing 100007 / CN
06 / QIU, Liping
9 Dongzhimen North Street
Dongcheng District
Beijing 100007 / CN
07 / DONG, Qun
9 Dongzhimen North Street
Dongcheng District
Beijing 100007 / CN
08 / JIANG, Jinxian
9 Dongzhimen North Street
Dongcheng District
Beijing 100007 / CN
09 / MA, Jianying
9 Dongzhimen North Street
Dongcheng District
Beijing 100007 / CN
10 / GE, Tengjie
9 Dongzhimen North Street
Dongcheng District
Beijing 100007 / CN
11 / AN, Yanjie
9 Dongzhimen North Street
Dongcheng District
Beijing 100007 / CN
12 / ZHANG, Deying
9 Dongzhimen North Street
Dongcheng District
Beijing 100007 / CN
13 / LI, Bo
9 Dongzhimen North Street
Dongcheng District
Beijing 100007 / CN
14 / GUO, Guiyue
9 Dongzhimen North Street
Dongcheng District
Beijing 100007 / CN
15 / WANG, Shihua
9 Dongzhimen North Street
Dongcheng District
Beijing 100007 / CN
16 / REN, He
9 Dongzhimen North Street
Dongcheng District
Beijing 100007 / CN
17 / JING, Lirong
9 Dongzhimen North Street
Dongcheng District
Beijing 100007 / CN
18 / GUO, Haifeng
9 Dongzhimen North Street
Dongcheng District
Beijing 100007 / CN
 [2014/22]
Representative(s)Grünecker Patent- und Rechtsanwälte PartG mbB
Leopoldstraße 4
80802 München / DE
[2020/15]
Former [2014/22]Grünecker, Kinkeldey, Stockmair & Schwanhäusser
Leopoldstrasse 4
80802 München / DE
Application number, filing date12811541.713.04.2012
[2020/15]
WO2012CN00505
Priority number, dateCN20111019164608.07.2011         Original published format: CN201110191646
[2014/22]
Filing languageZH
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2013007095
Date:17.01.2013
Language:ZH
[2013/03]
Type: A1 Application with search report 
No.:EP2735576
Date:28.05.2014
Language:EN
[2014/22]
Type: B1 Patent specification 
No.:EP2735576
Date:08.04.2020
Language:EN
[2020/15]
Search report(s)International search report - published on:CN17.01.2013
(Supplementary) European search report - dispatched on:EP15.04.2015
ClassificationIPC:C08F255/02, C08F2/00
[2014/22]
CPC:
C08F255/02 (EP,US); Y02P20/54 (EP,US)
C-Set:
C08F255/02, C08F212/08 (US);
C08F255/02, C08F220/06 (US);
C08F255/02, C08F220/18 (EP);
C08F255/02, C08F220/1804 (EP,US);
C08F255/02, C08F222/06 (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 [2014/22]
Extension statesBANot yet paid
MENot yet paid
TitleGerman:VERÄNDERUNGSVERFAHREN FÜR EINE SUPERKRITISCHE KOHLENDIOXID-FESTPHASEN-PFROPFUNG FÜR POLYPROPYLEN[2014/22]
English:SUPERCRITICAL CARBON DIOXIDE-ASSISTED SOLID-PHASE GRAFTING MODIFICATION METHOD FOR POLYPROPYLENE[2014/22]
French:PROCÉDÉ DE MODIFICATION PAR GREFFAGE EN PHASE SOLIDE ASSISTÉ PAR DU DIOXYDE DE CARBONE SUPERCRITIQUE POUR DU POLYPROPYLÈNE[2014/22]
Entry into regional phase05.02.2014Translation filed 
05.02.2014National basic fee paid 
05.02.2014Search fee paid 
05.02.2014Designation fee(s) paid 
05.02.2014Examination fee paid 
Examination procedure05.02.2014Examination requested  [2014/22]
30.11.2015Amendment by applicant (claims and/or description)
16.12.2019Communication of intention to grant the patent
27.02.2020Fee for grant paid
27.02.2020Fee for publishing/printing paid
27.02.2020Receipt of the translation of the claim(s)
Divisional application(s)The date of the Examining Division's first communication in respect of the earliest application for which a communication has been issued is  16.12.2019
Opposition(s)12.01.2021No opposition filed within time limit [2021/11]
Fees paidRenewal fee
05.02.2014Renewal fee patent year 03
27.04.2015Renewal fee patent year 04
11.04.2016Renewal fee patent year 05
10.04.2017Renewal fee patent year 06
11.04.2018Renewal fee patent year 07
15.04.2019Renewal fee patent year 08
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  TooltipHU13.04.2012
AL08.04.2020
AT08.04.2020
CY08.04.2020
CZ08.04.2020
DK08.04.2020
EE08.04.2020
ES08.04.2020
FI08.04.2020
HR08.04.2020
IT08.04.2020
LT08.04.2020
LV08.04.2020
MC08.04.2020
MK08.04.2020
MT08.04.2020
PL08.04.2020
RO08.04.2020
RS08.04.2020
SE08.04.2020
SI08.04.2020
SK08.04.2020
SM08.04.2020
TR08.04.2020
IE13.04.2020
LU13.04.2020
BE30.04.2020
CH30.04.2020
LI30.04.2020
FR08.06.2020
BG08.07.2020
NO08.07.2020
GR09.07.2020
IS08.08.2020
PT17.08.2020
[2022/32]
Former [2022/27]HU13.04.2012
AL08.04.2020
AT08.04.2020
CY08.04.2020
CZ08.04.2020
DK08.04.2020
EE08.04.2020
ES08.04.2020
FI08.04.2020
HR08.04.2020
IT08.04.2020
LT08.04.2020
LV08.04.2020
MC08.04.2020
MT08.04.2020
PL08.04.2020
RO08.04.2020
RS08.04.2020
SE08.04.2020
SI08.04.2020
SK08.04.2020
SM08.04.2020
TR08.04.2020
IE13.04.2020
LU13.04.2020
BE30.04.2020
CH30.04.2020
LI30.04.2020
FR08.06.2020
BG08.07.2020
NO08.07.2020
GR09.07.2020
IS08.08.2020
PT17.08.2020
Former [2022/26]AL08.04.2020
AT08.04.2020
CZ08.04.2020
DK08.04.2020
EE08.04.2020
ES08.04.2020
FI08.04.2020
HR08.04.2020
IT08.04.2020
LT08.04.2020
LV08.04.2020
MC08.04.2020
PL08.04.2020
RO08.04.2020
RS08.04.2020
SE08.04.2020
SI08.04.2020
SK08.04.2020
SM08.04.2020
TR08.04.2020
IE13.04.2020
LU13.04.2020
BE30.04.2020
CH30.04.2020
LI30.04.2020
FR08.06.2020
BG08.07.2020
NO08.07.2020
GR09.07.2020
IS08.08.2020
PT17.08.2020
Former [2021/23]AL08.04.2020
AT08.04.2020
CZ08.04.2020
DK08.04.2020
EE08.04.2020
ES08.04.2020
FI08.04.2020
HR08.04.2020
IT08.04.2020
LT08.04.2020
LV08.04.2020
MC08.04.2020
PL08.04.2020
RO08.04.2020
RS08.04.2020
SE08.04.2020
SI08.04.2020
SK08.04.2020
SM08.04.2020
IE13.04.2020
LU13.04.2020
BE30.04.2020
CH30.04.2020
LI30.04.2020
FR08.06.2020
BG08.07.2020
NO08.07.2020
GR09.07.2020
IS08.08.2020
PT17.08.2020
Former [2021/20]AL08.04.2020
AT08.04.2020
CZ08.04.2020
DK08.04.2020
EE08.04.2020
ES08.04.2020
FI08.04.2020
HR08.04.2020
IT08.04.2020
LT08.04.2020
LV08.04.2020
MC08.04.2020
PL08.04.2020
RO08.04.2020
RS08.04.2020
SE08.04.2020
SK08.04.2020
SM08.04.2020
IE13.04.2020
LU13.04.2020
BE30.04.2020
CH30.04.2020
LI30.04.2020
BG08.07.2020
NO08.07.2020
GR09.07.2020
IS08.08.2020
PT17.08.2020
Former [2021/10]AL08.04.2020
AT08.04.2020
CZ08.04.2020
DK08.04.2020
EE08.04.2020
ES08.04.2020
FI08.04.2020
HR08.04.2020
IT08.04.2020
LT08.04.2020
LV08.04.2020
MC08.04.2020
PL08.04.2020
RO08.04.2020
RS08.04.2020
SE08.04.2020
SK08.04.2020
SM08.04.2020
LU13.04.2020
BE30.04.2020
CH30.04.2020
LI30.04.2020
BG08.07.2020
NO08.07.2020
GR09.07.2020
IS08.08.2020
PT17.08.2020
Former [2021/09]AL08.04.2020
AT08.04.2020
CZ08.04.2020
DK08.04.2020
EE08.04.2020
ES08.04.2020
FI08.04.2020
HR08.04.2020
IT08.04.2020
LT08.04.2020
LV08.04.2020
MC08.04.2020
RO08.04.2020
RS08.04.2020
SE08.04.2020
SM08.04.2020
LU13.04.2020
CH30.04.2020
LI30.04.2020
BG08.07.2020
NO08.07.2020
GR09.07.2020
IS08.08.2020
PT17.08.2020
Former [2021/08]AL08.04.2020
DK08.04.2020
ES08.04.2020
FI08.04.2020
HR08.04.2020
LT08.04.2020
LV08.04.2020
RO08.04.2020
RS08.04.2020
SE08.04.2020
SM08.04.2020
LU13.04.2020
CH30.04.2020
LI30.04.2020
BG08.07.2020
NO08.07.2020
GR09.07.2020
IS08.08.2020
PT17.08.2020
Former [2021/04]AL08.04.2020
FI08.04.2020
HR08.04.2020
LT08.04.2020
LV08.04.2020
RS08.04.2020
SE08.04.2020
BG08.07.2020
NO08.07.2020
GR09.07.2020
IS08.08.2020
PT17.08.2020
Former [2021/01]FI08.04.2020
HR08.04.2020
LT08.04.2020
LV08.04.2020
RS08.04.2020
SE08.04.2020
BG08.07.2020
NO08.07.2020
GR09.07.2020
IS08.08.2020
PT17.08.2020
Former [2020/51]FI08.04.2020
HR08.04.2020
LT08.04.2020
LV08.04.2020
RS08.04.2020
SE08.04.2020
NO08.07.2020
GR09.07.2020
IS08.08.2020
PT17.08.2020
Former [2020/50]FI08.04.2020
HR08.04.2020
LT08.04.2020
LV08.04.2020
SE08.04.2020
NO08.07.2020
GR09.07.2020
IS08.08.2020
PT17.08.2020
Former [2020/48]FI08.04.2020
LT08.04.2020
SE08.04.2020
NO08.07.2020
IS08.08.2020
PT17.08.2020
Former [2020/47]LT08.04.2020
NO08.07.2020
IS08.08.2020
Former [2020/46]IS08.08.2020
Documents cited:Search[A]WO03050153  (UNIV NORTH CAROLINA STATE [US], et al) [A] 1-4* the whole document *
International search[A]US5663237  (LEE SUNGGYU [US], et al);
 [A]CN1486998  (EAST CHINA UNIV OF SCIENCE & T [CN]);
 [A]JP2004137429  (MITSUI CHEMICALS INC);
 [A]CN1605596  (UNIV EAST CHINA SCIENCE & TECH [CN]);
 [A]CN101386668  (UNIV XIANGTAN [CN]);
 [A]WO2009065774  (CIBA HOLDING INC [CH], et al);
 [Y]  - WANG, JIAN ET AL., "Solid-Phase Grafting of Butyl Acrylate onto Polypropylene with the Aid of Supercritical Carbon Dioxide", PETROCHEMICAL TECHNOLOGY, (200912), vol. 38, no. 2, pages 180 - 183, XP008172762
 [Y]  - WANG, JIAN ET AL., "Solid-phase grafting of multi-monomer onto PP", CHINA SYNTHETIC RESIN AND PLASTICS, (201012), vol. 27, no. 2, pages 5 - 7, XP008172761
 [Y]  - WANG, JIAN ET AL., "Grafting of Polypropylene with Ternary Monomer Assisted by Supercritical CO2", ACTA CHIMICA SINICA, (200912), vol. 67, no. 10, pages 1142 - 1144, XP008172760
 [Y]  - DONG, ZEXUAN ET AL., "Modification of isotactic polypropylene film by grafting of acrylic acid using supercritical CO2 as a swelling agent", JOURNAL OF MATERIALS CHEMISTRY, (200209), pages 3566 - 3568, XP055142387

DOI:   http://dx.doi.org/10.1039/b204762d
by applicantUS5663237
 CN101143946
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.