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Extract from the Register of European Patents

EP About this file: EP0354981

EP0354981 - Process for the preparation of a liquid polyurethane-urea prepolymer and its further working-up to an open-pore reactive resin concrete [Right-click to bookmark this link]
StatusThe application has been withdrawn
Status updated on  29.06.1993
Database last updated on 31.08.2024
Most recent event   Tooltip29.06.1993Withdrawal of applicationpublished on 18.08.1993 [1993/33]
Applicant(s)For all designated states
Firma Carl Freudenberg
Höhnerweg 2-4
69469 Weinheim / DE
[N/P]
Former [1992/14]For all designated states
Firma Carl Freudenberg
Höhnerweg 2-4
D-69469 Weinheim / DE
Former [1990/08]For all designated states
Firma Carl Freudenberg
Höhnerweg 2-4
D-69469 Weinheim / DE
Inventor(s)01 / Esswein, Gerd, Dr.
Kurpfalzstrasse 78
D-6701 Maxdorf / DE
02 / Mühlfeld, Horst
Siegfriedring 23
D-6149 Grasellenbach 3 / DE
03 / Schuhmacher, Günter, Dr.
Steingasse 11
D-6940 Weinheim / DE
[1990/08]
Representative(s)(deleted)
[1990/11]
Former [1990/08]Weissenfeld-Richters, Helga, Dr.
Höhnerweg 2-4
D-6940 Weinheim/Bergstrasse / DE
Application number, filing date89102984.521.02.1989
[1990/08]
Priority number, dateDE1988382421916.07.1988         Original published format: DE 3824219
[1990/08]
Filing languageDE
Procedural languageDE
PublicationType: A3 Search report 
No.:EP0354981
Date:17.04.1991
Language:DE
[1991/16]
Type: A2 Application without search report 
No.:EP0354981
Date:28.07.1993
Language:DE
[1993/30]
Search report(s)(Supplementary) European search report - dispatched on:EP25.02.1991
ClassificationIPC:C08G18/12, C08G18/40, C08G18/66, C08G18/72, C08G18/76, C08G18/18, C08G18/22, E01C7/30, C04B38/00, C04B26/16, // (C08G18/12, 101:00)
[1991/22]
CPC:
E01C7/30 (EP); C04B26/16 (EP); C08G18/10 (EP);
C08G18/12 (EP); C08G18/2063 (EP); C08G18/225 (EP);
C08G18/4018 (EP); C08G18/727 (EP); C08G18/7607 (EP) (-)
C-Set:
C08G18/10, C08G18/302 (EP);
C08G18/12, C08G18/302 (EP);
C08G18/12, C08G18/70 (EP);
C08G18/12, C08G18/7664 (EP)
Former IPC [1990/08]C08G18/12, C08G18/40, C08G18/66, C08G18/72, C08G18/76, C08G18/18, C08G18/22, E01C7/30, C04B38/00, // (C08G18/12, 101:00)
Designated contracting statesAT,   BE,   CH,   DE,   FR,   IT,   LI,   LU,   NL [1990/08]
TitleGerman:Verfahren zur Herstellung eines flüssigen Polyurethanharnstoff-Präpolymeren und seine Weiterverarbeitung zu einem offenporigen Reaktionsharzbeton[1990/08]
English:Process for the preparation of a liquid polyurethane-urea prepolymer and its further working-up to an open-pore reactive resin concrete[1990/08]
French:Procédé de préparation d'un prépolymère de polyuréthane-urée liquide et sa transformation ultérieure en un béton de résine réactive à pores ouverts[1990/08]
File destroyed:12.06.1999
Examination procedure11.03.1991Examination requested  [1991/19]
29.07.1992Despatch of a communication from the examining division (Time limit: M04)
08.10.1992Reply to a communication from the examining division
10.12.1992Despatch of communication of intention to grant (Approval: Yes)
07.01.1993Communication of intention to grant the patent
01.03.1993Fee for grant paid
01.03.1993Fee for publishing/printing paid
29.05.1993Application withdrawn by applicant  [1993/33]
Fees paidRenewal fee
04.02.1991Renewal fee patent year 03
03.02.1992Renewal fee patent year 04
27.01.1993Renewal fee patent year 05
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Documents cited:Search[A]FR1416175  (UPJOHN CO);
 [A]GB2157703  (SHIRLEY INST)
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.