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Extract from the Register of European Patents

EP About this file: EP0068439

EP0068439 - Process for preparing foamed polymethyl-methacrylate articles [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  12.01.1988
Database last updated on 15.11.2024
Most recent event   Tooltip28.09.2007Lapse of the patent in a contracting state
New state(s): FR
State(s) deleted from list of lapses: GB		published on 31.10.2007  [2007/44]
Applicant(s)For all designated states
Firma August Hohnholz
An der Alsterschleife 17
D-2000 Hamburg 65 / DE
For:DE 
Imchemie Kunststoff GmbH.
Adolf-Flöring-Strasse 22
D-5678 Wermelskirchen / DE
For:DE 
Melchior, Bernd
Burger Strasse 255
D-5630 Remscheid / DE
[1986/52]
Former [1983/01]For all designated states
August Hohnholz KG
An der Alsterschleife 17
D-2000 Hamburg 65 / DE
For:DE 
Imchemie Kunststoff GmbH.
Adolf-Flöring-Strasse 22
D-5678 Wermelskirchen / DE
For:DE 
Melchior, Bernd
Burger Strasse 255
D-5630 Remscheid / DE
Inventor(s)01 / Melchior, Bernd
Burger Strasse 255
D-5630 Remscheid / DE
[1983/01]
Representative(s)May, Hans Ulrich
Patentanwalt Dr.H.U.May, Thierschstrasse 27
80538 München / DE
[N/P]
Former [1983/01]May, Hans Ulrich, Dr.
Patentanwalt Dr.H.U.May, Thierschstrasse 27
D-80538 München / DE
Application number, filing date82105540.724.06.1982
[1983/01]
Priority number, dateDE1981312498025.06.1981         Original published format: DE 3124980
[1983/01]
Filing languageDE
Procedural languageDE
PublicationType: A1 Application with search report 
No.:EP0068439
Date:05.01.1983
Language:DE
[1983/01]
Type: B1 Patent specification 
No.:EP0068439
Date:25.02.1987
Language:DE
[1987/09]
Search report(s)(Supplementary) European search report - dispatched on:EP04.10.1982
ClassificationIPC:C08J9/04, C08J9/14, C08F20/14, C08F2/50
[1983/01]
CPC:
C08J9/141 (EP); C08J9/06 (EP); C08J9/147 (EP);
C08J2333/06 (EP); Y10S264/05 (EP); Y10S264/13 (EP)
Designated contracting statesAT,   BE,   CH,   FR,   GB,   IT,   LI,   LU,   NL,   SE [1987/15]
Former [1983/01]AT,  BE,  CH,  DE,  FR,  GB,  IT,  LI,  LU,  NL,  SE 
TitleGerman:Verfahren zum Herstellen von Gegenständen aus geschäumtem Polymethylmethacrylat[1983/01]
English:Process for preparing foamed polymethyl-methacrylate articles[1983/01]
French:Procédé de préparation d'articles en polyméthacrylate de méthyle mousse[1983/01]
File destroyed:20.04.2002
Examination procedure24.06.1983Examination requested  [1983/36]
22.05.1984Despatch of a communication from the examining division (Time limit: M04)
24.09.1984Reply to a communication from the examining division
15.01.1985Despatch of a communication from the examining division (Time limit: M04)
24.05.1985Reply to a communication from the examining division
20.09.1985Despatch of a communication from the examining division (Time limit: M04)
29.01.1986Reply to a communication from the examining division
20.03.1986Despatch of communication of intention to grant (Approval: )
01.07.1986Communication of intention to grant the patent
02.10.1986Fee for grant paid
02.10.1986Fee for publishing/printing paid
Opposition(s)26.11.1987No opposition filed within time limit [1988/09]
Fees paidRenewal fee
13.06.1984Renewal fee patent year 03
21.06.1985Renewal fee patent year 04
23.06.1986Renewal fee patent year 05
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  TooltipBE25.02.1987
FR25.02.1987
IT25.02.1987
NL25.02.1987
AT24.06.1987
SE25.06.1987
CH30.06.1987
LI30.06.1987
LU30.06.1987
[2002/24]
Former [1999/52]BE25.02.1987
IT25.02.1987
NL25.02.1987
AT24.06.1987
GB24.06.1987
SE25.06.1987
CH30.06.1987
LI30.06.1987
LU30.06.1987
Former [1999/42]BE25.02.1987
IT25.02.1987
NL25.02.1987
AT24.06.1987
GB24.06.1987
SE25.06.1987
CH30.06.1987
LI30.06.1987
Former [1989/30]BE25.02.1987
NL25.02.1987
AT24.06.1987
GB24.06.1987
SE25.06.1987
CH30.06.1987
LI30.06.1987
Former [1989/25]BE25.02.1987
NL25.02.1987
AT24.06.1987
SE25.06.1987
CH30.06.1987
LI30.06.1987
Former [1989/18]BE25.02.1987
NL25.02.1987
AT24.06.1987
SE25.06.1987
Former [1989/13]BE25.02.1987
NL25.02.1987
AT24.06.1987
Former [1988/44]BE25.02.1987
NL25.02.1987
Former [1988/04]BE25.02.1987
Documents cited:Search[XD]FR1423844  (ELECTROCHIMIE SOC);
 [A]DE1264067  (GEN MOTORS CORP);
 [A]DE1495479  (DEGUSSA);
 [A]AT322204B  (HYDROPHILICS INTERNAT 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.