Extract from the Register of European Patents

EP About this file: EP4059971

EP4059971 - METHOD FOR THE CONTINUOUS PRODUCTION OF LOW DENSITY AND HIGH ELONGATION POLYURETHANE FOAMS [Right-click to bookmark this link]
StatusThe application is deemed to be withdrawn
Status updated on  28.07.2023
Database last updated on 19.03.2026
FormerThe application has been published
Status updated on  19.08.2022
Most recent event   Tooltip28.07.2023Application deemed to be withdrawnpublished on 30.08.2023  [2023/35]
Applicant(s)For all designated states
Covestro Deutschland AG
Kaiser-Wilhelm-Allee 60
51373 Leverkusen / DE
[2022/38]
Inventor(s)01 / Klesczewski, Bert
51069 Köln / DE
02 / Klasen, Christopher
51065 Köln / DE
03 / Halupczok, Bernard
51371 Leverkusen / DE
04 / Fahlenkamp, Sascha
51061 Köln / DE
 [2022/38]
Representative(s)Levpat
c/o Covestro AG
Gebäude 4825
51365 Leverkusen / DE
[2022/38]
Application number, filing date21163160.117.03.2021
[2022/38]
Filing languageDE
Procedural languageDE
PublicationType: A1 Application with search report 
No.:EP4059971
Date:21.09.2022
Language:DE
[2022/38]
Search report(s)(Supplementary) European search report - dispatched on:EP20.08.2021
ClassificationIPC:C08G18/08, C08G18/76, C08G18/48, C08G18/18
[2022/38]
CPC:
C08G18/0895 (EP); C08G18/1825 (EP); C08G18/1833 (EP);
C08G18/4808 (EP); C08G18/4812 (EP); C08G18/4825 (EP);
C08G18/4829 (EP); C08G18/4841 (EP); C08G18/7664 (EP);
C08G2110/005 (EP); C08G2110/0083 (EP) (-)
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 [2022/38]
Extension statesBANot yet paid
MENot yet paid
Validation statesKHNot yet paid
MANot yet paid
MDNot yet paid
TNNot yet paid
TitleGerman:VERFAHREN ZUR KONTINUIERLICHEN HERSTELLUNG VON POLYURETHANSCHAUMSTOFFEN GERINGER DICHTE UND HOHER BRUCHDEHNUNG[2022/38]
English:METHOD FOR THE CONTINUOUS PRODUCTION OF LOW DENSITY AND HIGH ELONGATION POLYURETHANE FOAMS[2022/38]
French:PROCÉDÉ DE FABRICATION CONTINUE DE MOUSSES DE POLYURÉTHANE À FAIBLE DENSITÉ ET À ALLONGEMENT ÉLEVÉ À LA RUPTURE[2022/38]
Examination procedure22.03.2023Application deemed to be withdrawn, date of legal effect  [2023/35]
14.04.2023Despatch of communication that the application is deemed to be withdrawn, reason: examination fee not paid in time  [2023/35]
Fees paidRenewal fee
27.02.2023Renewal fee patent year 03
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Documents cited:Search[X] EP2612876  (BASF SE et al.)
 [X] US2006142407  (HOLLMANN CHRISTOPH et al.)
 [X] EP2700669  (BASF SE et al.) [X] 1-8,10,12 * examples V1-V4, B1-B2 * * paragraph [0065] * * paragraph [0055] * * paragraph [0060]; claim 12 *
 [X]   COMMISSION MAK: "4,4'-Methylene diphenyl isocyanate (MDI) and polymeric MDI'' (PMDI) [MAK Value Documentation, 1997]", THE MAK-COLLECTION FOR OCCUPATIONAL HEALTH AND SAFETY, 1 November 2002 (2002-11-01), Weinheim, Germany, pages 66 - 96, XP055831589, Retrieved from the Internet [retrieved on 20210811], DOI: 10.1002/3527600418.mb10168stae0008

DOI:   http://dx.doi.org/10.1002/3527600418.mb10168stae0008
by applicantCN103275296
 CN104086747
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