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

Release notes
European Patent Register Assistant
European Patent Register Resource Book
European Patent Register – pocket guide
FAQ - European Patent Register
FAQ - Register Alert
Federated Register (Flyer)
Global Dossier (Flyer)
Register events
Deep link coverage
Federated Register content
The Patent Information Tour
Fair use charter

Extract from the Register of European Patents

EP About this file: EP0376615

EP0376615 - Method of improving the fluidity of a liquid-crystal resin composition [Right-click to bookmark this link]
Former [1990/27]Liquid-crystal resin composition having improved fluidity
[1997/13]
StatusNo opposition filed within time limit
Status updated on  30.01.1998
Database last updated on 11.09.2024
Most recent event   Tooltip30.11.2007Lapse of the patent in a contracting state
Updated state(s): FR		published on 02.01.2008  [2008/01]
Applicant(s)For all designated states
POLYPLASTICS CO. LTD.
3-13, Azuchicho, 2-chome Chuo-Ku Osaka-shi
Osaka 541 / JP
[N/P]
Former [1990/27]For all designated states
POLYPLASTICS CO. LTD.
3-13, Azuchicho, 2-chome
Chuo-Ku Osaka-shi Osaka 541 / JP
Inventor(s)01 / Nakai, Mikio
885-11, Miyajima
Fuji-shi Shizuoka / JP
[1990/27]
Representative(s)Jackson, Peter, et al
Barker Brettell 10-12 Priests Bridge
London SW15 5JE / GB
[N/P]
Former [1990/27]Jackson, Peter, et al
HYDE, HEIDE & O'DONNELL 10-12 Priests Bridge
London SW15 5JE / GB
Application number, filing date89313396.720.12.1989
[1990/27]
Priority number, dateJP1988033012927.12.1988         Original published format: JP 33012988
[1990/27]
Filing languageEN
Procedural languageEN
PublicationType: A2 Application without search report 
No.:EP0376615
Date:04.07.1990
Language:EN
[1990/27]
Type: A3 Search report 
No.:EP0376615
Date:23.10.1991
Language:EN
[1991/43]
Type: B1 Patent specification 
No.:EP0376615
Date:26.03.1997
Language:EN
[1997/13]
Search report(s)(Supplementary) European search report - dispatched on:EP09.09.1991
ClassificationIPC:C08L67/00, C08L77/12, C08L81/00, C09K19/38
[1990/27]
CPC:
C09K19/3809 (EP,US); C08L67/00 (EP,KR,US); C08K3/38 (EP,US);
C08L67/04 (EP,US); C08L77/12 (EP,US)
C-Set:
C08L67/00, C08L67/00 (EP,US);
C08L67/04, C08L67/00 (US,EP);
C08L77/12, C08L2666/18 (US,EP)
Designated contracting statesAT,   BE,   CH,   DE,   ES,   FR,   GB,   GR,   IT,   LI,   LU,   NL,   SE [1990/27]
TitleGerman:Verfahren zur Verbesserung der Fliessfähigkeit von flüssigkristallinen Harzzusammensetzungen[1997/13]
English:Method of improving the fluidity of a liquid-crystal resin composition[1997/13]
French:Procédé pour améliorer la fluidité de compositions résineuses cristaux liquides[1997/13]
Former [1990/27]Flüssigkristalline Harzzusammensetzung mit verbesserter Fliessfähigkeit
Former [1990/27]Liquid-crystal resin composition having improved fluidity
Former [1990/27]Composition résineuse à cristal liquide ayant une fluidité modifiée
Examination procedure21.04.1992Examination requested  [1992/25]
02.08.1994Despatch of a communication from the examining division (Time limit: M04)
01.12.1994Reply to a communication from the examining division
14.09.1995Despatch of a communication from the examining division (Time limit: M04)
22.12.1995Reply to a communication from the examining division
25.04.1996Despatch of communication of intention to grant (Approval: Yes)
26.08.1996Communication of intention to grant the patent
15.10.1996Fee for grant paid
15.10.1996Fee for publishing/printing paid
Opposition(s)30.12.1997No opposition filed within time limit [1998/12]
Fees paidRenewal fee
06.11.1991Renewal fee patent year 03
23.09.1992Renewal fee patent year 04
27.09.1993Renewal fee patent year 05
26.09.1994Renewal fee patent year 06
25.09.1995Renewal fee patent year 07
26.09.1996Renewal 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  TooltipAT26.03.1997
BE26.03.1997
CH26.03.1997
ES26.03.1997
FR26.03.1997
GR26.03.1997
IT26.03.1997
LI26.03.1997
SE26.06.1997
LU20.12.1997
[2006/14]
Former [2004/38]AT26.03.1997
BE26.03.1997
CH26.03.1997
ES26.03.1997
GR26.03.1997
IT26.03.1997
LI26.03.1997
SE26.06.1997
FR22.08.1997
LU20.12.1997
Former [2002/24]AT26.03.1997
BE26.03.1997
CH26.03.1997
ES26.03.1997
GR26.03.1997
IT26.03.1997
LI26.03.1997
SE26.06.1997
FR22.08.1997
Former [2000/04]AT26.03.1997
BE26.03.1997
CH26.03.1997
GR26.03.1997
IT26.03.1997
LI26.03.1997
SE26.06.1997
FR22.08.1997
Former [1999/42]AT26.03.1997
BE26.03.1997
CH26.03.1997
IT26.03.1997
LI26.03.1997
SE26.06.1997
FR22.08.1997
Former [1998/11]AT26.03.1997
BE26.03.1997
CH26.03.1997
LI26.03.1997
SE26.06.1997
FR22.08.1997
Former [1998/04]AT26.03.1997
BE26.03.1997
CH26.03.1997
LI26.03.1997
FR22.08.1997
Former [1998/03]AT26.03.1997
BE26.03.1997
FR22.08.1997
Former [1997/49]AT26.03.1997
BE26.03.1997
Former [1997/42]AT26.03.1997
Documents cited:Search[A]EP0044176  (CELANESE CORP [US]);
 [A]EP0093333  (BAYER AG [DE]);
 [Y]GB2158832  (DART IND INC);
 [A]EP0168503  (SUMITOMO CHEMICAL CO [JP]);
 [A]US4611025  (AKKAPEDDI MURALI K [US], et al);
 [Y]WO8809802  (AMOCO CORP [US])
Examination   - ENCYCLOPEDIA OF POLYMER SCIENCE AND ENGINEERING, Vol. 14, pages 665-666, John Wiley & Sons, 1988
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.