blank Quick help
blank Maintenance news

Scheduled maintenance

Regular maintenance outages:
between 05.00 and 05.15 hrs CET (Monday to Sunday).

Other outages
Availability

2022.02.11

More...
blank News flashes

News Flashes

New version of the European Patent Register – SPC proceedings information in the Unitary Patent Register.

2024-07-24

More...
blank Related links

Extract from the Register of European Patents

EP About this file: EP0449488

EP0449488 - Process for the preparation of azlactone-functional Michael adducts [Right-click to bookmark this link]
Former [1991/40]Azlactone Michael adducts
[1998/45]
StatusNo opposition filed within time limit
Status updated on  10.09.1999
Database last updated on 25.09.2024
Most recent event   Tooltip19.09.2003Lapse of the patent in a contracting state
New state(s): DK
published on 05.11.2003  [2003/45]
Applicant(s)For all designated states
MINNESOTA MINING AND MANUFACTURING COMPANY
3M Center, P.O. Box 33427
St. Paul, MN 55133-3427 / US
[N/P]
Former [1991/40]For all designated states
MINNESOTA MINING AND MANUFACTURING COMPANY
3M Center, P.O. Box 33427
St. Paul, Minnesota 55133-3427 / US
Inventor(s)01 / Moren, Dean M., c/o Minnesota Mining and
Manufact. Co., 2501 Hudson Road, P.O. Box 33427
St. Paul, Minnesota 55133-3427 / US
02 / Heilmann, Steven M., c/o Minnesota Mining and
Manufact. Co., 2501 Hudson Road, P.O. Box 33427
St. Paul, Minnesota 55133-3427 / US
03 / Krepski, Larry R., c/o Minnesota Mining and
Manufact. Co., 2501 Hudson Road, P.O. Box 33427
St. Paul, Minnesota 55133-3427 / US
04 / Rasmussen, Jerald K., c/o Minnesota Mining and
Manufact. Co., 2501 Hudson Road, P.O. Box 33427
St. Paul, Minnesota 55133-3427 / US
[1991/40]
Representative(s)Baillie, Iain Cameron, et al
c/o Ladas & Parry 52-54 High Holborn
London WC1V 6RR / GB
[1998/45]
Former [1991/40]Baillie, Iain Cameron, et al
c/o Ladas & Parry Altheimer Eck 2
D-80331 München / DE
Application number, filing date91302394.120.03.1991
[1991/40]
Priority number, dateUS1990050076828.03.1990         Original published format: US 500768
[1991/40]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report 
No.:EP0449488
Date:02.10.1991
Language:EN
[1991/40]
Type: B1 Patent specification 
No.:EP0449488
Date:04.11.1998
Language:EN
[1998/45]
Search report(s)(Supplementary) European search report - dispatched on:EP17.07.1991
ClassificationIPC:C07D263/42, C07D265/06
[1991/40]
CPC:
C07D265/06 (EP,KR,US); C07D263/42 (EP,US)
Designated contracting statesBE,   DE,   DK,   ES,   FR,   GB,   IT,   NL,   SE [1991/40]
TitleGerman:Verfahren zur Herstellung von azlacton-funktionellen Michael-Addukten[1998/45]
English:Process for the preparation of azlactone-functional Michael adducts[1998/45]
French:Procédé pour la préparation d'adduits de Michael à fonction azlactone[1998/45]
Former [1991/40]Azlactone Michaeladdukte
Former [1991/40]Azlactone Michael adducts
Former [1991/40]Produits d'addition Michael des azlactones
Examination procedure29.11.1991Examination requested  [1992/04]
06.04.1994Despatch of a communication from the examining division (Time limit: M04)
21.07.1994Reply to a communication from the examining division
05.12.1994Despatch of a communication from the examining division (Time limit: M06)
07.06.1995Reply to a communication from the examining division
23.01.1996Despatch of a communication from the examining division (Time limit: M06)
09.07.1996Reply to a communication from the examining division
03.11.1997Despatch of communication of intention to grant (Approval: Yes)
07.05.1998Communication of intention to grant the patent
30.07.1998Fee for grant paid
30.07.1998Fee for publishing/printing paid
Opposition(s)05.08.1999No opposition filed within time limit [1999/43]
Fees paidRenewal fee
26.02.1993Renewal fee patent year 03
24.02.1994Renewal fee patent year 04
20.02.1995Renewal fee patent year 05
26.02.1996Renewal fee patent year 06
24.02.1997Renewal fee patent year 07
23.02.1998Renewal fee patent year 08
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  TooltipBE04.11.1998
NL04.11.1998
SE04.11.1998
DK04.02.1999
[2003/45]
Former [2003/07]BE04.11.1998
NL04.11.1998
SE04.11.1998
Former [2002/23]BE04.11.1998
SE04.11.1998
Former [1999/32]BE04.11.1998
Documents cited:Search[A]GB1202119  (ROEHM & HAAS GMBH [DE]);
 [AD]EP0105665  (MINNESOTA MINING & MFG [US]);
 [A]EP0333361  (MINNESOTA MINING & MFG [US])
 [AD]  - "Encyclopedia of Polymer Science and Engineering,2nd Edition,Vol.11" 1988, Wiley-Interscience, New York
ExaminationEP0433034
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.