Extract from the Register of European Patents

EP About this file: EP0022216

EP0022216 - High impact strength polybutylene terephthalate [Right-click to bookmark this link]
StatusPatent maintained as amended
Status updated on  08.07.1994
Database last updated on 14.03.2026
Most recent event   Tooltip05.10.2005Change: Appeal number 
Applicant(s)For all designated states
BAYER AG
51368 Leverkusen / DE
[N/P]
Former [1981/02]For all designated states
BAYER AG
D-51368 Leverkusen / DE
Inventor(s)01 / Binsack, Rudolf, Dr.
Bethelstrasse 4a
D-4150 Krefeld / DE
02 / Rempel, Dieter, Dr-
Max-Beckmann-Strasse 35
D-5090 Leverkusen / DE
03 / Humme, Gert, Dr.
Ackerstrasse 17
D-5068 Odenthal / DE
04 / Ott, Karl-Heinz, Dr.
Paul-Klee-Strasse 54
D-5090 Leverkusen / DE
[1981/02]
Application number, filing date80103584.125.06.1980
[1981/02]
Priority number, dateDE1979292757607.07.1979         Original published format: DE 2927576
[1981/02]
Filing languageDE
Procedural languageDE
PublicationType: A1 Application with search report 
No.:EP0022216
Date:14.01.1981
Language:DE
[1981/02]
Type: B1 Patent specification 
No.:EP0022216
Date:02.11.1983
Language:DE
[1983/44]
Type: B2 New European patent specification 
No.:EP0022216
Date:24.08.1994
Language:DE
[1994/34]
Search report(s)(Supplementary) European search report - dispatched on:EP17.10.1980
ClassificationIPC:C08L67/03, // (C08L67/03, 55:02)
[1994/34]
CPC:
C08L67/02 (EP,US)
C-Set:
C08L67/02, C08L55/02 (US,EP)
Former IPC [1981/02]C08L67/02, // (C08L67/02, 55:02)
Designated contracting statesBE,   DE,   FR,   GB,   IT,   NL,   SE [1981/02]
TitleGerman:Hochschlagzähes Polybutylenterephthalat[1981/02]
English:High impact strength polybutylene terephthalate[1981/02]
French:Poly(térephtalate de butylène) à résistance au choc élevée[1981/02]
Examination procedure25.06.1980Examination requested  [1981/02]
20.05.1981Despatch of a communication from the examining division (Time limit: M04)
02.09.1981Reply to a communication from the examining division
30.04.1982Despatch of a communication from the examining division (Time limit: M04)
21.05.1982Reply to a communication from the examining division
14.12.1982Despatch of communication of intention to grant (Approval: )
21.03.1983Communication of intention to grant the patent
28.03.1983Fee for grant paid
28.03.1983Fee for publishing/printing paid
Opposition(s)Opponent(s)01  09.03.1984  30.03.1984  ADMISSIBLE
BASF Aktiengesellschaft
-Patentabteilung - C6- Carl-Bosch-Strasse 38
D-67056 Ludwigshafen / DE
 02  01.08.1984  29.11.1984  ADMISSIBLE
HOECHST AKTIENGESELLSCHAFT
Zentrale Patentanbteilung Gebäude F 821
D-65926 Frankfurt am Main / DE
 [N/P]
Former [1984/40]
Opponent(s)01  09.03.1984  30.03.1984  ADMISSIBLE
BASF Aktiengesellschaft, Ludwigshafen
-Patentabteilung - C6- Carl-Bosch-Strasse 38
D-67056 Ludwigshafen / DE
 02  01.08.1984  29.11.1984  ADMISSIBLE
HOECHST AKTIENGESELLSCHAFT
Zentrale Patentanbteilung Gebäude F 821
D-65926 Frankfurt am Main / DE
Former [1984/20]
Opponent(s)01  09.03.1984  30.03.1984  ADMISSIBLE
BASF Aktiengesellschaft, Ludwigshafen
-Patentabteilung - C6- Carl-Bosch-Strasse 38
D-67056 Ludwigshafen / DE
20.08.1984No. 02: Notification indicating deficiencies in the notice of opposition
05.09.1984No. 02: Reply to notification indicating deficiencies in the notice of opposition
14.03.1985Despatch of a communication from the opposition division (Time limit: M08)
15.07.1985Reply to a communication from the opposition division
10.06.1987Despatch of a communication from the opposition division (Time limit: M10)
10.06.1987Invitation to proprietor to file observations on the notice of opposition
21.03.1988Reply to a communication from the opposition division
22.12.1988Despatch of communication that the patent will be revoked
17.08.1993Despatch of a communication from the opposition division (Time limit: M04)
23.08.1993Reply to a communication from the opposition division
14.09.1993Despatch of a communication from the opposition division (Time limit: M04)
23.09.1993Reply to a communication from the opposition division
21.02.1994Despatch of interlocutory decision in opposition
03.03.1994Legal effect of interlocutory decision in opposition
26.05.1994Despatch of communication that the patent will be maintained as amended
13.06.1994Fee for printing new specification paid
Appeal following opposition11.01.1989Appeal received No.  T0040/89
06.03.1989Statement of grounds filed
26.11.1992Invitation to file observations in an appeal (Time limit: M02) [1992/48]
28.12.1992Date of receipt of observations in an appeal [1992/53]
05.05.1993Result of appeal procedure: maintenance in amended form
05.05.1993Date of oral proceedings
21.05.1993Minutes of the oral proceedings despatched
Fees paidRenewal fee
15.06.1982Renewal fee patent year 03
01.06.1983Renewal fee patent year 04
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  TooltipSE26.06.1991
[1992/13]
Documents cited:SearchDE2444584  (BASF AG et al.)
 DE2636135  (BORG WARNER et al.)
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.