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Extract from the Register of European Patents

EP About this file: EP3844112

EP3844112 - USE OF MULTIPLE CHARGED CATIONIC COMPOUNDS DERIVED FROM PRIMARY AMINES OR POLYAMINES FOR MICROBIAL FOULING CONTROL IN A WATER SYSTEM [Right-click to bookmark this link]
StatusExamination is in progress
Status updated on  08.09.2022
Database last updated on 02.11.2024
FormerRequest for examination was made
Status updated on  04.06.2021
FormerThe international publication has been made
Status updated on  07.03.2020
Formerunknown
Status updated on  18.09.2019
Most recent event   Tooltip05.07.2024New entry: Renewal fee paid 
Applicant(s)For all designated states
Ecolab USA Inc.
1 Ecolab Place
St. Paul, MN 55102 / US
[2021/27]
Inventor(s)01 / DHAWAN, Ashish
c/o Ecolab USA Inc.
1 Ecolab Place
Saint Paul, Minnesota 55102 / US
02 / XIONG, Kun
c/o Ecolab USA Inc.
1 Ecolab Place
Saint Paul, Minnesota 55102 / US
03 / SILVERNAIL, Carter M.
c/o Ecolab USA Inc.
1 Ecolab Place
Saint Paul, Minnesota 55102 / US
04 / ZONG, Zhengang
c/o Ecolab USA Inc.
1 Ecolab Place
Saint Paul, Minnesota 55102 / US
 [2021/27]
Representative(s)Godemeyer Blum Lenze Patentanwälte Partnerschaft mbB - werkpatent
An den Gärten 7
51491 Overath / DE
[2021/27]
Application number, filing date19765929.528.08.2019
[2021/27]
WO2019US48441
Priority number, dateUS201862724391P29.08.2018         Original published format: US 201862724391 P
[2021/27]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2020047015
Date:05.03.2020
Language:EN
[2020/10]
Type: A1 Application with search report 
No.:EP3844112
Date:07.07.2021
Language:EN
The application published by WIPO in one of the EPO official languages on 05.03.2020 takes the place of the publication of the European patent application.
[2021/27]
Search report(s)International search report - published on:EP05.03.2020
ClassificationIPC:C02F1/50, A01N65/00
[2021/27]
CPC:
C02F1/50 (EP,US); A01N37/30 (US); A01N37/44 (EP);
C02F2303/20 (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 [2021/27]
TitleGerman:VERWENDUNG VON MEHREREN GELADENEN KATIONISCHEN, AUS PRIMÄREN AMINEN ODER POLYAMINEN ABGELEITETEN VERBINDUNGEN ZUR MIKROBIELLEN BEWUCHSKONTROLLE IN EINEM WASSERSYSTEM[2021/27]
English:USE OF MULTIPLE CHARGED CATIONIC COMPOUNDS DERIVED FROM PRIMARY AMINES OR POLYAMINES FOR MICROBIAL FOULING CONTROL IN A WATER SYSTEM[2021/27]
French:UTILISATION DE COMPOSÉS CATIONIQUES À CHARGES MULTIPLES DÉRIVÉS D'AMINES PRIMAIRES OU DE POLYAMINES POUR LUTTER CONTRE LES SALISSURES MICROBIENNES DANS UN SYSTÈME D'EAU[2021/27]
Entry into regional phase17.02.2021National basic fee paid 
17.02.2021Designation fee(s) paid 
17.02.2021Examination fee paid 
Examination procedure22.05.2020Request for preliminary examination filed
International Preliminary Examining Authority: EP
17.02.2021Examination requested  [2021/27]
17.02.2021Date on which the examining division has become responsible
07.10.2021Amendment by applicant (claims and/or description)
07.09.2022Despatch of a communication from the examining division (Time limit: M04)
20.12.2022Reply to a communication from the examining division
19.06.2023Despatch of a communication from the examining division (Time limit: M04)
23.10.2023Reply to a communication from the examining division
Fees paidRenewal fee
13.08.2021Renewal fee patent year 03
18.07.2022Renewal fee patent year 04
05.07.2023Renewal fee patent year 05
04.07.2024Renewal fee patent year 06
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Responsibility for the accuracy, completeness or quality of the data displayed under the link provided lies entirely with the Unified Patent Court.
Cited inInternational search[XI]US6054054  (ROBERTSON LINDA R [US], et al);
 [A]US2006008496  (KULKARNI SANDEEP [US], et al);
 [A]US2013266669  (JIANG JUAN [CN], et al);
 [XP]WO2019046409  (ECOLAB USA INC [US])
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.