blank Quick help
blank Maintenance news

Scheduled maintenance

Regular maintenance outages:
between 05.00 and 05.15 hrs CET (Monday to Sunday).

Other outages
Availability
Register Forum

2022.02.11

More...
blank News flashes

News flashes

New version of the European Patent Register - SPC information for Unitary Patents.

2024-03-06

More...
blank Related links

Release notes
European Patent Register Assistant
European Patent Register Resource Book
European Patent Register – pocket guide
FAQ - European Patent Register
FAQ - Register Alert
Federated Register (Flyer)
Global Dossier (Flyer)
Register events
Deep link coverage
Federated Register content
The Patent Information Tour
Fair use charter

Extract from the Register of European Patents

EP About this file: EP3006423

EP3006423 - CEMENT ADMIXTURE COMPRISING POLYCARBOXYLIC ACID COPOLYMER, DERIVED FROM A MACROMONOMER, AND LAYERED DOUBLE HYDROXIDE AND METHOD FOR PREPARING SAME [Right-click to bookmark this link]
Former [2016/15]MACROMONOMER FOR PREPARING CEMENT ADMIXTURE AND METHOD FOR PREPARING SAME, AND CEMENT ADMIXTURE COMPRISING POLYCARBOXYLIC ACID COPOLYMER, DERIVED FROM MACROMONOMER, AND LAYERED DOUBLE HYDROXIDE AND METHOD FOR PREPARING SAME
[2020/23]
StatusNo opposition filed within time limit
Status updated on  27.08.2021
Database last updated on 17.07.2024
FormerThe patent has been granted
Status updated on  18.09.2020
FormerGrant of patent is intended
Status updated on  14.05.2020
FormerExamination is in progress
Status updated on  12.01.2018
Most recent event   Tooltip14.06.2024Lapse of the patent in a contracting state
New state(s): TR		published on 17.07.2024  [2024/29]
Applicant(s)For all designated states
Silkroad C&T Co., LTD
Diplomatic Center 9th
2558 Nambusunhwan-ro
Seocho-gu
Seoul 137-070 / KR
[2016/15]
Inventor(s)01 / KIM, Bo Seung
109-902
13 Pyeongtaek 5-ro 114beon-gil
Pyeongtaek-si Gyeonggi-do 450-765 / KR
02 / KIM, Su Il
Rm. 501
14 Sillimdong 3-gil
Gwanak-gu
Seoul 151-892 / KR
03 / KIM, Jung Sun
305-1508
91 Dongjak-daero 29-gil
Dongjak-gu
Seoul 156-773 / KR
04 / PARK, Kwang Young
101-1305
15 Tapsil-ro
Giheung-gu
Yongin-si Gyeonggi-do 446-783 / KR
05 / CHA, Cheol Yong
136-1802
232 Dongtanbanseok-ro
Hwaseong-si Gyeonggi-do 445-856 / KR
 [2016/15]
Representative(s)Böhm, Brigitte
Weickmann & Weickmann
Patent- und Rechtsanwälte PartmbB
Postfach 860 820
81635 München / DE
[2020/43]
Former [2016/15]Böhm, Brigitte
Weickmann & Weickmann
Patentanwälte PartmbB
Postfach 860 820
81635 München / DE
Application number, filing date14804154.418.04.2014
[2016/15]
WO2014KR03390
Priority number, dateKR2013006119429.05.2013         Original published format: KR 20130061194
KR2013008899026.07.2013         Original published format: KR 20130088990
[2016/15]
Filing languageKO
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2014193082
Date:04.12.2014
Language:KO
[2014/49]
Type: A1 Application with search report 
No.:EP3006423
Date:13.04.2016
Language:EN
[2016/15]
Type: B1 Patent specification 
No.:EP3006423
Date:21.10.2020
Language:EN
[2020/43]
Search report(s)International search report - published on:KR04.12.2014
(Supplementary) European search report - dispatched on:EP23.01.2017
ClassificationIPC:C07C57/03, C07C51/083, C04B24/26, C04B40/00, C04B28/02, // C04B103/40, C04B103/30
[2020/23]
CPC:
C04B24/2647 (EP,RU); C04B28/02 (EP,RU); C04B40/0039 (EP,RU);
C07C51/083 (EP,RU); C04B2103/308 (EP); C04B2103/408 (EP)
C-Set:
C04B28/02, C04B14/10, C04B24/2647 (EP);
C04B40/0039, C04B14/10, C04B24/2647 (EP);
C07C51/083, C07C57/03 (EP)
Former IPC [2017/08]C07C57/03, C07C51/083, C04B24/26
Former IPC [2016/15]C07C57/03, C07C51/083, C04B24/04
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 [2016/15]
Extension statesBANot yet paid
MENot yet paid
TitleGerman:ZEMENTZUSATZMITTEL MIT EINEM POLYCARBOXYLSÄURE-COPOLYMER AUS EINEM MAKROMONOMER UND SCHICHT-DOPPELHYDROXID SOWIE VERFAHREN ZUR HERSTELLUNG DAVON[2020/23]
English:CEMENT ADMIXTURE COMPRISING POLYCARBOXYLIC ACID COPOLYMER, DERIVED FROM A MACROMONOMER, AND LAYERED DOUBLE HYDROXIDE AND METHOD FOR PREPARING SAME[2020/23]
French:ADJUVANT POUR CIMENT COMPRENANT UN COPOLYMÈRE D'ACIDE POLYCARBOXYLIQUE, DÉRIVÉ D`UN MACROMONOMÈRE, ET HYDROXYDE DOUBLE LAMELLAIRE ET SON PROCÉDÉ DE PRÉPARATION[2020/23]
Former [2016/15]MAKROMONOMER ZUR HERSTELLUNG EINER ZEMENTBEIMISCHUNG UND VERFAHREN ZU IHRER HERSTELLUNG SOWIE ZEMENTBEIMISCHUNG MIT EINEM POLYCARBOXYLSÄURE-COPOLYMER AUS EINEM MAKROMONOMER UND GESCHICHTETES DOPPELHYDROXID SOWIE VERFAHREN ZUR HERSTELLUNG DAVON
Former [2016/15]MACROMONOMER FOR PREPARING CEMENT ADMIXTURE AND METHOD FOR PREPARING SAME, AND CEMENT ADMIXTURE COMPRISING POLYCARBOXYLIC ACID COPOLYMER, DERIVED FROM MACROMONOMER, AND LAYERED DOUBLE HYDROXIDE AND METHOD FOR PREPARING SAME
Former [2016/15]MACROMONOMÈRE POUR PRÉPARER UN ADJUVANT POUR CIMENT ET SON PROCÉDÉ DE PRÉPARATION, ET ADJUVANT POUR CIMENT COMPRENANT UN COPOLYMÈRE D'ACIDE POLYCARBOXYLIQUE, DÉRIVÉ DU MACROMONOMÈRE, ET HYDROXYDE DOUBLE LAMELLAIRE ET SON PROCÉDÉ DE PRÉPARATION
Entry into regional phase19.11.2015Translation filed 
19.11.2015National basic fee paid 
19.11.2015Search fee paid 
19.11.2015Designation fee(s) paid 
19.11.2015Examination fee paid 
Examination procedure19.11.2015Amendment by applicant (claims and/or description)
19.11.2015Examination requested  [2016/15]
18.01.2018Despatch of a communication from the examining division (Time limit: M04)
24.05.2018Reply to a communication from the examining division
12.02.2020Despatch of a communication from the examining division (Time limit: M02)
16.04.2020Reply to a communication from the examining division
15.05.2020Communication of intention to grant the patent
09.09.2020Fee for grant paid
09.09.2020Fee for publishing/printing paid
09.09.2020Receipt of the translation of the claim(s)
Opposition(s)22.07.2021No opposition filed within time limit [2021/39]
Fees paidRenewal fee
29.02.2016Renewal fee patent year 03
31.03.2017Renewal fee patent year 04
30.04.2018Renewal fee patent year 05
30.04.2019Renewal fee patent year 06
30.04.2020Renewal fee patent year 07
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  TooltipHU18.04.2014
AL21.10.2020
CY21.10.2020
CZ21.10.2020
DK21.10.2020
EE21.10.2020
ES21.10.2020
FI21.10.2020
HR21.10.2020
IT21.10.2020
LT21.10.2020
LV21.10.2020
MC21.10.2020
MK21.10.2020
RO21.10.2020
RS21.10.2020
SE21.10.2020
SI21.10.2020
SK21.10.2020
SM21.10.2020
TR21.10.2020
BG21.01.2021
NO21.01.2021
GR22.01.2021
IS21.02.2021
PT22.02.2021
GB18.04.2021
IE18.04.2021
LU18.04.2021
BE30.04.2021
CH30.04.2021
FR30.04.2021
LI30.04.2021
[2024/29]
Former [2024/22]HU18.04.2014
AL21.10.2020
CY21.10.2020
CZ21.10.2020
DK21.10.2020
EE21.10.2020
ES21.10.2020
FI21.10.2020
HR21.10.2020
IT21.10.2020
LT21.10.2020
LV21.10.2020
MC21.10.2020
MK21.10.2020
RO21.10.2020
RS21.10.2020
SE21.10.2020
SI21.10.2020
SK21.10.2020
SM21.10.2020
BG21.01.2021
NO21.01.2021
GR22.01.2021
IS21.02.2021
PT22.02.2021
GB18.04.2021
IE18.04.2021
LU18.04.2021
BE30.04.2021
CH30.04.2021
FR30.04.2021
LI30.04.2021
Former [2023/30]HU18.04.2014
AL21.10.2020
CY21.10.2020
CZ21.10.2020
DK21.10.2020
EE21.10.2020
ES21.10.2020
FI21.10.2020
HR21.10.2020
IT21.10.2020
LT21.10.2020
LV21.10.2020
MC21.10.2020
RO21.10.2020
RS21.10.2020
SE21.10.2020
SI21.10.2020
SK21.10.2020
SM21.10.2020
BG21.01.2021
NO21.01.2021
GR22.01.2021
IS21.02.2021
PT22.02.2021
GB18.04.2021
IE18.04.2021
LU18.04.2021
BE30.04.2021
CH30.04.2021
FR30.04.2021
LI30.04.2021
Former [2023/28]HU18.04.2014
AL21.10.2020
CZ21.10.2020
DK21.10.2020
EE21.10.2020
ES21.10.2020
FI21.10.2020
HR21.10.2020
IT21.10.2020
LT21.10.2020
LV21.10.2020
MC21.10.2020
RO21.10.2020
RS21.10.2020
SE21.10.2020
SI21.10.2020
SK21.10.2020
SM21.10.2020
BG21.01.2021
NO21.01.2021
GR22.01.2021
IS21.02.2021
PT22.02.2021
GB18.04.2021
IE18.04.2021
LU18.04.2021
BE30.04.2021
CH30.04.2021
FR30.04.2021
LI30.04.2021
Former [2022/34]AL21.10.2020
CZ21.10.2020
DK21.10.2020
EE21.10.2020
ES21.10.2020
FI21.10.2020
HR21.10.2020
IT21.10.2020
LT21.10.2020
LV21.10.2020
MC21.10.2020
RO21.10.2020
RS21.10.2020
SE21.10.2020
SI21.10.2020
SK21.10.2020
SM21.10.2020
BG21.01.2021
NO21.01.2021
GR22.01.2021
IS21.02.2021
PT22.02.2021
GB18.04.2021
IE18.04.2021
LU18.04.2021
BE30.04.2021
CH30.04.2021
FR30.04.2021
LI30.04.2021
Former [2022/23]AL21.10.2020
CZ21.10.2020
DK21.10.2020
EE21.10.2020
ES21.10.2020
FI21.10.2020
HR21.10.2020
IT21.10.2020
LT21.10.2020
LV21.10.2020
MC21.10.2020
RO21.10.2020
RS21.10.2020
SE21.10.2020
SI21.10.2020
SK21.10.2020
SM21.10.2020
BG21.01.2021
NO21.01.2021
GR22.01.2021
IS21.02.2021
PT22.02.2021
GB18.04.2021
IE18.04.2021
LU18.04.2021
CH30.04.2021
FR30.04.2021
LI30.04.2021
Former [2022/21]AL21.10.2020
CZ21.10.2020
DK21.10.2020
EE21.10.2020
ES21.10.2020
FI21.10.2020
HR21.10.2020
IT21.10.2020
LT21.10.2020
LV21.10.2020
MC21.10.2020
RO21.10.2020
RS21.10.2020
SE21.10.2020
SI21.10.2020
SK21.10.2020
SM21.10.2020
BG21.01.2021
NO21.01.2021
GR22.01.2021
PT22.02.2021
GB18.04.2021
IE18.04.2021
LU18.04.2021
CH30.04.2021
FR30.04.2021
LI30.04.2021
Former [2022/10]AL21.10.2020
CZ21.10.2020
DK21.10.2020
EE21.10.2020
ES21.10.2020
FI21.10.2020
HR21.10.2020
IT21.10.2020
LT21.10.2020
LV21.10.2020
MC21.10.2020
RO21.10.2020
RS21.10.2020
SE21.10.2020
SI21.10.2020
SK21.10.2020
SM21.10.2020
BG21.01.2021
NO21.01.2021
GR22.01.2021
PT22.02.2021
GB18.04.2021
LU18.04.2021
CH30.04.2021
FR30.04.2021
LI30.04.2021
Former [2022/09]AL21.10.2020
CZ21.10.2020
DK21.10.2020
EE21.10.2020
ES21.10.2020
FI21.10.2020
HR21.10.2020
IT21.10.2020
LT21.10.2020
LV21.10.2020
MC21.10.2020
RO21.10.2020
RS21.10.2020
SE21.10.2020
SI21.10.2020
SK21.10.2020
SM21.10.2020
BG21.01.2021
NO21.01.2021
GR22.01.2021
IS21.02.2021
PT22.02.2021
GB18.04.2021
LU18.04.2021
FR30.04.2021
Former [2022/04]AL21.10.2020
CZ21.10.2020
DK21.10.2020
EE21.10.2020
ES21.10.2020
FI21.10.2020
HR21.10.2020
IT21.10.2020
LT21.10.2020
LV21.10.2020
MC21.10.2020
RO21.10.2020
RS21.10.2020
SE21.10.2020
SI21.10.2020
SK21.10.2020
SM21.10.2020
BG21.01.2021
NO21.01.2021
GR22.01.2021
IS21.02.2021
PT22.02.2021
LU18.04.2021
Former [2021/50]AL21.10.2020
CZ21.10.2020
DK21.10.2020
EE21.10.2020
ES21.10.2020
FI21.10.2020
HR21.10.2020
IT21.10.2020
LT21.10.2020
LV21.10.2020
MC21.10.2020
RO21.10.2020
RS21.10.2020
SE21.10.2020
SI21.10.2020
SK21.10.2020
SM21.10.2020
BG21.01.2021
NO21.01.2021
GR22.01.2021
IS21.02.2021
PT22.02.2021
Former [2021/48]AL21.10.2020
CZ21.10.2020
DK21.10.2020
EE21.10.2020
ES21.10.2020
FI21.10.2020
HR21.10.2020
IT21.10.2020
LT21.10.2020
LV21.10.2020
RO21.10.2020
RS21.10.2020
SE21.10.2020
SK21.10.2020
SM21.10.2020
BG21.01.2021
NO21.01.2021
GR22.01.2021
IS21.02.2021
PT22.02.2021
Former [2021/45]AL21.10.2020
CZ21.10.2020
DK21.10.2020
EE21.10.2020
ES21.10.2020
FI21.10.2020
HR21.10.2020
LT21.10.2020
LV21.10.2020
RO21.10.2020
RS21.10.2020
SE21.10.2020
SK21.10.2020
SM21.10.2020
BG21.01.2021
NO21.01.2021
GR22.01.2021
IS21.02.2021
PT22.02.2021
Former [2021/37]CZ21.10.2020
DK21.10.2020
EE21.10.2020
ES21.10.2020
FI21.10.2020
HR21.10.2020
LT21.10.2020
LV21.10.2020
RO21.10.2020
RS21.10.2020
SE21.10.2020
SK21.10.2020
SM21.10.2020
BG21.01.2021
NO21.01.2021
GR22.01.2021
IS21.02.2021
PT22.02.2021
Former [2021/36]CZ21.10.2020
EE21.10.2020
ES21.10.2020
FI21.10.2020
HR21.10.2020
LT21.10.2020
LV21.10.2020
RO21.10.2020
RS21.10.2020
SE21.10.2020
SK21.10.2020
SM21.10.2020
BG21.01.2021
NO21.01.2021
GR22.01.2021
IS21.02.2021
PT22.02.2021
Former [2021/35]CZ21.10.2020
ES21.10.2020
FI21.10.2020
HR21.10.2020
LT21.10.2020
LV21.10.2020
RO21.10.2020
RS21.10.2020
SE21.10.2020
SK21.10.2020
SM21.10.2020
BG21.01.2021
NO21.01.2021
GR22.01.2021
IS21.02.2021
PT22.02.2021
Former [2021/34]CZ21.10.2020
ES21.10.2020
FI21.10.2020
HR21.10.2020
LT21.10.2020
LV21.10.2020
RS21.10.2020
SE21.10.2020
SM21.10.2020
BG21.01.2021
NO21.01.2021
GR22.01.2021
IS21.02.2021
PT22.02.2021
Former [2021/33]ES21.10.2020
FI21.10.2020
HR21.10.2020
LT21.10.2020
LV21.10.2020
RS21.10.2020
SE21.10.2020
SM21.10.2020
BG21.01.2021
NO21.01.2021
GR22.01.2021
IS21.02.2021
PT22.02.2021
Former [2021/32]ES21.10.2020
FI21.10.2020
HR21.10.2020
LV21.10.2020
RS21.10.2020
SE21.10.2020
SM21.10.2020
BG21.01.2021
NO21.01.2021
GR22.01.2021
IS21.02.2021
PT22.02.2021
Former [2021/28]ES21.10.2020
FI21.10.2020
HR21.10.2020
LV21.10.2020
RS21.10.2020
SE21.10.2020
BG21.01.2021
NO21.01.2021
GR22.01.2021
IS21.02.2021
PT22.02.2021
Former [2021/25]ES21.10.2020
FI21.10.2020
LV21.10.2020
RS21.10.2020
SE21.10.2020
BG21.01.2021
NO21.01.2021
GR22.01.2021
IS21.02.2021
PT22.02.2021
Former [2021/24]FI21.10.2020
LV21.10.2020
RS21.10.2020
SE21.10.2020
BG21.01.2021
NO21.01.2021
GR22.01.2021
PT22.02.2021
Former [2021/23]FI21.10.2020
LV21.10.2020
RS21.10.2020
SE21.10.2020
NO21.01.2021
GR22.01.2021
PT22.02.2021
Former [2021/22]FI21.10.2020
RS21.10.2020
NO21.01.2021
PT22.02.2021
Former [2021/21]FI21.10.2020
PT22.02.2021
Former [2021/20]FI21.10.2020
Documents cited:Search[A]WO2005075529  (CONSTR RES & TECH GMBH [DE], et al) [A] 1-5* the whole document *;
 [AD]EP2412689  (SILKROAD C & T CO LTD [KR]) [AD] 6-15 * the whole document *;
 [A]  - PLANK J ET AL, "Preparation and characterization of new Ca-Al-polycarboxylate layered double hydroxides", MATERIALS LETTERS, NORTH HOLLAND PUBLISHING COMPANY. AMSTERDAM, NL, vol. 60, no. 29-30, ISSN 0167-577X, (20060407), pages 3614 - 3617, (20061201), XP027898360 [A] 6-15 * the whole document *
International search[A]KR19980064529  (NIPPON CATALYTIC CHEM IND [JP]);
 [A]KR20060106708  (NIPPON CATALYTIC CHEM IND [JP]);
 [A]KR20070028310  (CONSTR RES & TECH GMBH [DE]);
 [A]KR20080084973  (CONSTR RES & TECH GMBH [DE]);
 [A]KR20120035563  (SILKROAD C & AMP T [KR], et al)
Examination   - Takehiko Ishii ET AL, "New Synthesis of Heterobifunctional Poly(ethylene glycol) Possessing a Pyridyl Disulfide at One End and a Carboxylic Acid at the Other End", Polymer Journal, doi:10.1295/polymj.37.221, (20050101), pages 221 - 228, URL: https://www.nature.com/articles/pj200530.pdf, XP055435668

DOI:   http://dx.doi.org/10.1295/polymj.37.221
by applicantKR101195825B
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.