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Extract from the Register of European Patents

EP About this file: EP2836581

EP2836581 - A HIGHLY EFFICIENT AND CONVENIENT FORM OF MICROFIBROUS CELLULOSE [Right-click to bookmark this link]
StatusThe patent has been granted
Status updated on  05.03.2021
Database last updated on 13.09.2024
FormerGrant of patent is intended
Status updated on  13.10.2020
FormerExamination is in progress
Status updated on  27.04.2018
Most recent event   Tooltip06.09.2024Lapse of the patent in a contracting state
New state(s): MT		published on 09.10.2024 [2024/41]
Applicant(s)For all designated states
CP Kelco U.S., Inc.
3100 Cumberland Boulevard, Suite 600
Atlanta, GA 30339 / US
[2015/08]
Inventor(s)01 / SWAZEY, John
13183 Sunstone Pointe
San Diego, CA 92130 / US
02 / MORRISON, Neil
12332 Briardale Way
San Diego, CA 92128 / US
03 / YANG, Zhi-Fa
9309 Pipilo Street
San Diego, CA 92129 / US
04 / COMPTON, Jacqueline
800 The Mark Lane
San Diego, CA 92101 / US
05 / NOLAN, Tim
1413 Silver Springs Drive
Chula Vista, CA 91915 / US
 [2015/08]
Representative(s)Murgitroyd & Company
165-169 Scotland Street
Glasgow G5 8PL / GB
[N/P]
Former [2021/14]Murgitroyd & Company
Murgitroyd House
165-169 Scotland Street
Glasgow G5 8PL / GB
Former [2015/08]Kiernan, Lisa, et al
Murgitroyd & Company
Scotland House
165-169 Scotland Street
Glasgow G5 8PL / GB
Application number, filing date13706882.115.02.2013
[2021/14]
WO2013US26355
Priority number, dateUS201261624086P13.04.2012         Original published format: US 201261624086 P
[2015/08]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2013154675
Date:17.10.2013
Language:EN
[2013/42]
Type: A1 Application with search report 
No.:EP2836581
Date:18.02.2015
Language:EN
The application published by WIPO in one of the EPO official languages on 17.10.2013 takes the place of the publication of the European patent application.
[2015/08]
Type: B1 Patent specification 
No.:EP2836581
Date:07.04.2021
Language:EN
[2021/14]
Search report(s)International search report - published on:EP17.10.2013
ClassificationIPC:C11D3/22, A61K8/73
[2015/08]
CPC:
A61K8/731 (EP,US); A61Q19/007 (EP,US); A61Q19/10 (EP,US);
A61Q5/02 (EP,US); A61Q5/12 (EP,US); C11D3/222 (EP,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 [2015/08]
Extension statesBANot yet paid
MENot yet paid
TitleGerman:HOCHEFFIZIENTE UND ZWECKMÄSSIGE FORM VON MIKROFASERCELLULOSE[2015/08]
English:A HIGHLY EFFICIENT AND CONVENIENT FORM OF MICROFIBROUS CELLULOSE[2015/08]
French:FORME DE CELLULOSE MICROFIBREUSE TRÈS EFFICACE ET COMMODE[2015/08]
Entry into regional phase23.09.2014National basic fee paid 
23.09.2014Designation fee(s) paid 
23.09.2014Examination fee paid 
Examination procedure23.09.2014Examination requested  [2015/08]
19.05.2015Amendment by applicant (claims and/or description)
26.04.2018Despatch of a communication from the examining division (Time limit: M04)
01.08.2018Reply to a communication from the examining division
24.04.2020Despatch of a communication from the examining division (Time limit: M04)
24.08.2020Reply to a communication from the examining division
14.10.2020Communication of intention to grant the patent
11.02.2021Fee for grant paid
11.02.2021Fee for publishing/printing paid
11.02.2021Receipt 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  26.04.2018
Opposition(s)Opponent(s)01  07.01.2022  11.01.2022  ADMISSIBLE
Rhodia Operations
9 rue des Cuirassiers
Immeuble Silex 2 Solvay
69003 Lyon / FR
Opponent's representative
Kraus & Lederer PartGmbB
Thomas-Wimmer-Ring 15
80539 München / DE
 [N/P]
Former [2024/04]
Opponent(s)01  07.01.2022  11.01.2022  ADMISSIBLE
Rhodia Operations
9 rue des Cuirassiers
Immeuble Silex 2 Solvay
69003 Lyon / FR
Opponent's representative
Kraus & Weisert Patentanwälte PartGmbB
Thomas-Wimmer-Ring 15
80539 München / DE
Former [2022/28]
Opponent(s)01  07.01.2022  11.01.2022  ADMISSIBLE
Rhodia Operations
9 rue des Cuirassiers
Immeuble Silex 2 Solvay
69003 Lyon / FR
Opponent's representative
Lederer & Keller Patentanwälte Partnerschaft mbB
Unsöldstraße 2
80538 München / DE
Former [2022/07]
Opponent(s)01  07.01.2022  11.01.2022  ADMISSIBLE
Rhodia Operations
52 rue la Haie Coq
93300 Aubervillers / FR
Opponent's representative
Lederer & Keller Patentanwälte Partnerschaft mbB
Unsöldstraße 2
80538 München / DE
19.01.2022Invitation to proprietor to file observations on the notice of opposition
26.05.2022Reply of patent proprietor to notice(s) of opposition
20.09.2023Date of oral proceedings
12.02.2024Despatch of minutes of oral proceedings
12.02.2024Despatch of communication that the patent will be revoked
Appeal following opposition29.03.2024Appeal received No.  T0474/24
29.03.2024Payment of appeal fee
12.06.2024Statement of grounds filed
Fees paidRenewal fee
26.02.2015Renewal fee patent year 03
26.02.2016Renewal fee patent year 04
05.01.2017Renewal fee patent year 05
27.02.2018Renewal fee patent year 06
26.02.2019Renewal fee patent year 07
26.02.2020Renewal fee patent year 08
25.02.2021Renewal fee patent year 09
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  TooltipAL07.04.2021
CY07.04.2021
EE07.04.2021
HR07.04.2021
LT07.04.2021
LV07.04.2021
MC07.04.2021
MK07.04.2021
MT07.04.2021
PL07.04.2021
RS07.04.2021
SI07.04.2021
SK07.04.2021
SM07.04.2021
BG07.07.2021
NO07.07.2021
GR08.07.2021
IS07.08.2021
PT09.08.2021
LU15.02.2022
[2024/41]
Former [2024/22]AL07.04.2021
CY07.04.2021
EE07.04.2021
HR07.04.2021
LT07.04.2021
LV07.04.2021
MC07.04.2021
MK07.04.2021
PL07.04.2021
RS07.04.2021
SI07.04.2021
SK07.04.2021
SM07.04.2021
BG07.07.2021
NO07.07.2021
GR08.07.2021
IS07.08.2021
PT09.08.2021
LU15.02.2022
Former [2024/20]AL07.04.2021
CY07.04.2021
EE07.04.2021
HR07.04.2021
LT07.04.2021
LV07.04.2021
MC07.04.2021
PL07.04.2021
RS07.04.2021
SI07.04.2021
SK07.04.2021
SM07.04.2021
BG07.07.2021
NO07.07.2021
GR08.07.2021
IS07.08.2021
PT09.08.2021
LU15.02.2022
Former [2023/51]AL07.04.2021
EE07.04.2021
HR07.04.2021
LT07.04.2021
LV07.04.2021
MC07.04.2021
PL07.04.2021
RS07.04.2021
SI07.04.2021
SK07.04.2021
SM07.04.2021
BG07.07.2021
NO07.07.2021
GR08.07.2021
IS07.08.2021
PT09.08.2021
LU15.02.2022
Former [2023/36]AL07.04.2021
DK07.04.2021
EE07.04.2021
HR07.04.2021
LT07.04.2021
LV07.04.2021
MC07.04.2021
PL07.04.2021
RS07.04.2021
SI07.04.2021
SK07.04.2021
SM07.04.2021
BG07.07.2021
NO07.07.2021
GR08.07.2021
IS07.08.2021
PT09.08.2021
LU15.02.2022
Former [2023/09]AL07.04.2021
AT07.04.2021
DK07.04.2021
EE07.04.2021
FI07.04.2021
HR07.04.2021
LT07.04.2021
LV07.04.2021
MC07.04.2021
PL07.04.2021
RS07.04.2021
SI07.04.2021
SK07.04.2021
SM07.04.2021
BG07.07.2021
NO07.07.2021
GR08.07.2021
IS07.08.2021
PT09.08.2021
LU15.02.2022
Former [2023/06]AL07.04.2021
AT07.04.2021
DK07.04.2021
EE07.04.2021
FI07.04.2021
HR07.04.2021
LT07.04.2021
LV07.04.2021
MC07.04.2021
PL07.04.2021
RS07.04.2021
SI07.04.2021
SK07.04.2021
SM07.04.2021
BG07.07.2021
NO07.07.2021
GR08.07.2021
IS07.08.2021
PT09.08.2021
LU15.02.2022
FR28.02.2022
Former [2023/03]AL07.04.2021
AT07.04.2021
DK07.04.2021
EE07.04.2021
FI07.04.2021
HR07.04.2021
LT07.04.2021
LV07.04.2021
MC07.04.2021
PL07.04.2021
RS07.04.2021
SE07.04.2021
SI07.04.2021
SK07.04.2021
SM07.04.2021
BG07.07.2021
NO07.07.2021
GR08.07.2021
IS07.08.2021
PT09.08.2021
LU15.02.2022
FR28.02.2022
Former [2022/47]AL07.04.2021
AT07.04.2021
DK07.04.2021
EE07.04.2021
FI07.04.2021
HR07.04.2021
LT07.04.2021
LV07.04.2021
MC07.04.2021
PL07.04.2021
RS07.04.2021
SE07.04.2021
SI07.04.2021
SK07.04.2021
SM07.04.2021
BG07.07.2021
NO07.07.2021
GR08.07.2021
IS07.08.2021
PT09.08.2021
LU15.02.2022
Former [2022/44]AL07.04.2021
AT07.04.2021
DK07.04.2021
EE07.04.2021
FI07.04.2021
HR07.04.2021
LT07.04.2021
LV07.04.2021
MC07.04.2021
PL07.04.2021
RS07.04.2021
SE07.04.2021
SI07.04.2021
SK07.04.2021
SM07.04.2021
BG07.07.2021
NO07.07.2021
GR08.07.2021
IS07.08.2021
PT09.08.2021
Former [2022/30]AL07.04.2021
AT07.04.2021
DK07.04.2021
EE07.04.2021
FI07.04.2021
HR07.04.2021
LT07.04.2021
LV07.04.2021
PL07.04.2021
RS07.04.2021
SE07.04.2021
SI07.04.2021
SK07.04.2021
SM07.04.2021
BG07.07.2021
NO07.07.2021
GR08.07.2021
IS07.08.2021
PT09.08.2021
Former [2022/29]AL07.04.2021
AT07.04.2021
DK07.04.2021
EE07.04.2021
FI07.04.2021
HR07.04.2021
LT07.04.2021
LV07.04.2021
NL07.04.2021
PL07.04.2021
RS07.04.2021
SE07.04.2021
SI07.04.2021
SK07.04.2021
SM07.04.2021
BG07.07.2021
NO07.07.2021
GR08.07.2021
IS07.08.2021
PT09.08.2021
Former [2022/26]AL07.04.2021
AT07.04.2021
DK07.04.2021
EE07.04.2021
FI07.04.2021
HR07.04.2021
LT07.04.2021
LV07.04.2021
NL07.04.2021
PL07.04.2021
RS07.04.2021
SE07.04.2021
SK07.04.2021
SM07.04.2021
BG07.07.2021
NO07.07.2021
GR08.07.2021
IS07.08.2021
PT09.08.2021
Former [2022/23]AT07.04.2021
DK07.04.2021
EE07.04.2021
FI07.04.2021
HR07.04.2021
LT07.04.2021
LV07.04.2021
NL07.04.2021
PL07.04.2021
RS07.04.2021
SE07.04.2021
SK07.04.2021
SM07.04.2021
BG07.07.2021
NO07.07.2021
GR08.07.2021
IS07.08.2021
PT09.08.2021
Former [2022/10]AT07.04.2021
DK07.04.2021
EE07.04.2021
FI07.04.2021
HR07.04.2021
LT07.04.2021
LV07.04.2021
NL07.04.2021
PL07.04.2021
RS07.04.2021
SE07.04.2021
SK07.04.2021
SM07.04.2021
BG07.07.2021
NO07.07.2021
GR08.07.2021
PT09.08.2021
IS22.12.2021
Former [2022/08]AT07.04.2021
DK07.04.2021
FI07.04.2021
HR07.04.2021
LT07.04.2021
LV07.04.2021
NL07.04.2021
PL07.04.2021
RS07.04.2021
SE07.04.2021
SM07.04.2021
BG07.07.2021
NO07.07.2021
GR08.07.2021
IS07.08.2021
PT09.08.2021
Former [2022/07]AT07.04.2021
FI07.04.2021
HR07.04.2021
LT07.04.2021
LV07.04.2021
NL07.04.2021
PL07.04.2021
RS07.04.2021
SE07.04.2021
SM07.04.2021
BG07.07.2021
NO07.07.2021
GR08.07.2021
IS07.08.2021
PT09.08.2021
Former [2021/52]AT07.04.2021
FI07.04.2021
HR07.04.2021
LT07.04.2021
LV07.04.2021
NL07.04.2021
PL07.04.2021
RS07.04.2021
SE07.04.2021
BG07.07.2021
NO07.07.2021
GR08.07.2021
IS07.08.2021
PT09.08.2021
Former [2021/51]AT07.04.2021
FI07.04.2021
HR07.04.2021
LT07.04.2021
LV07.04.2021
NL07.04.2021
RS07.04.2021
SE07.04.2021
BG07.07.2021
NO07.07.2021
GR08.07.2021
IS07.08.2021
PT09.08.2021
Former [2021/50]AT07.04.2021
FI07.04.2021
HR07.04.2021
LT07.04.2021
LV07.04.2021
NL07.04.2021
SE07.04.2021
BG07.07.2021
NO07.07.2021
GR08.07.2021
PT09.08.2021
Former [2021/49]AT07.04.2021
FI07.04.2021
HR07.04.2021
LT07.04.2021
LV07.04.2021
NL07.04.2021
SE07.04.2021
BG07.07.2021
NO07.07.2021
GR08.07.2021
Former [2021/47]AT07.04.2021
FI07.04.2021
LT07.04.2021
NL07.04.2021
BG07.07.2021
Former [2021/46]AT07.04.2021
FI07.04.2021
LT07.04.2021
Cited inInternational search[AD]US2008108714  (SWAZEY JOHN M [US], et al) [AD] 1-12* paragraphs [0001] , [0004] , [0006]; example -; claim - *;
 [XI]US2010016575  (YANG ZHI-FA [US], et al) [X] 1-8,12 * paragraphs [0015] , [0032]; example -; claim - * [I] 1-12
by applicantUS5951910
 US6241812
 US2007027108
 US2008108541
 US2008108714
 US7888308
 US8053216
OppositionUS5009797
 JPH05292984
 WO9806792
 WO9841592
 US5951910
 US2007197779
 JP2009296979
 US2010210501
 WO2011019876
 CN102206689
    - Anonymous, "Komagataeibacter xylinus", Wikipedia, (20210929), pages 1 - 3, XP055898595
    - Anonymous, "Ultra-High Shear Preparation of CELLULON PX and AxCel CG-PX Microfibrous Cellulose Blend Solutions", application bulletin - CP KELCO, (20090000), pages 1 - 6, XP055898601
    - Anonymous, "SECTION 1: Identification of the substance /mixture and of the company/undertaking", AXCEL CG-PX Safety Data Sheet, (20111207), pages 1 - 9, XP055898603
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.