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Extract from the Register of European Patents

EP About this file: EP0491857

EP0491857 - POLYMERIC WAVEGUIDE DEVICE FOR PHASE MATCHED SECOND HARMONIC GENERATION [Right-click to bookmark this link]
StatusThe application is deemed to be withdrawn
Status updated on  02.08.1994
Database last updated on 11.09.2024
Most recent event   Tooltip12.03.2010Change - representativepublished on 14.04.2010  [2010/15]
Applicant(s)For all designated states
HOECHST CELANESE CORPORATION
86 Morris Avenue
Summit, NJ 07901 / US
[1992/27]
Inventor(s)01 / KHANARIAN, Garo
141 Cornell Avenue
Berkeley Heights, NJ 07922 / US
02 / NORWOOD, Robert
3939 Rutland Road
Bethlehem, PA 18017 / US
[1992/27]
Representative(s)dompatent von Kreisler Selting Werner - Partnerschaft von Patent- und Rechtsanwälten mbB
Deichmannhaus am Dom
Bahnhofsvorplatz 1
50667 Köln / DE
[N/P]
Former [2010/15]von Kreisler Selting Werner
Deichmannhaus am Dom Bahnhofsvorplatz 1
50667 Köln / DE
Former [1992/27]von Kreisler, Alek, Dipl.-Chem., et al
Patentanwälte von Kreisler-Selting-Werner Postfach 10 22 41
D-50462 Köln / DE
Application number, filing date90914862.905.09.1990
[1992/27]
WO1990US05009
Priority number, dateUS1989040550111.09.1989         Original published format: US 405501
[1992/27]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO9103752
Date:21.03.1991
Language:EN
[1991/07]
Type: A1 Application with search report 
No.:EP0491857
Date:01.07.1992
Language:EN
The application published by WIPO in one of the EPO official languages on 21.03.1991 takes the place of the publication of the European patent application.
[1992/27]
Search report(s)International search report - published on:US21.03.1991
(Supplementary) European search report - dispatched on:EP10.07.1992
ClassificationIPC:G02B6/26
[1992/27]
CPC:
G02F1/3775 (EP,US); G02F1/0147 (EP,US); G02F1/065 (EP,US)
Designated contracting statesBE,   DE,   FR,   GB,   IT,   NL,   SE [1992/27]
TitleGerman:POLYMERWELLENLEITERVORRICHTUNG ZUR ERZEUGUNG DER ZWEITEN HARMONISCHEN MIT PHASENANPASSUNG[1992/27]
English:POLYMERIC WAVEGUIDE DEVICE FOR PHASE MATCHED SECOND HARMONIC GENERATION[1992/27]
French:DISPOSITIF DE GUIDE D'ONDES POLYMERE DE GENERATION DE SECONDE HARMONIQUE ACCORDEE EN PHASE[1992/27]
File destroyed:15.01.2000
Entry into regional phase07.03.1992National basic fee paid 
07.03.1992Search fee paid 
07.03.1992Designation fee(s) paid 
07.03.1992Examination fee paid 
Examination procedure11.02.1991Request for preliminary examination filed
International Preliminary Examining Authority: GB
07.03.1992Examination requested  [1992/27]
01.04.1994Application deemed to be withdrawn, date of legal effect  [1994/38]
28.04.1994Despatch of communication that the application is deemed to be withdrawn, reason: renewal fee not paid in time  [1994/38]
Fees paidRenewal fee
23.06.1992Renewal fee patent year 03
Penalty fee
Additional fee for renewal fee
30.09.199304   M06   Not yet paid
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Responsibility for the accuracy, completeness or quality of the data displayed under the link provided lies entirely with the Unified Patent Court.
Documents cited:Search[A]JP1023234
 [A]  - PROCEEDINGS SPIE vol. 1147, 10 August 1989, SAN-DIEGO,CA pages 129 - 133; G,KHANARIAN: 'NONLINEAR OPTICAL PROPERTIES OF ORGANIC MATERIALS II' PHASE MATCHED SECOND HARMONIC GENERATION IN A PERIODIC POLYMER WAVEGUIDE
 [A]  - APPLIED PHYSICS LETTERS. vol. 29, no. 9, November 1976, NEW YORK US pages 572 - 574; N UESUGI: 'efficient second harmonic generation ...'
 [A]  - PATENT ABSTRACTS OF JAPAN vol. 013, no. 203 (P-870)15 May 1989 & JP-A-1 023 234 ( CANON ) 25 January 1989, & JP1023234 A 19890125
International search[A]US3688124  (FREUND ISAAC, et al);
 [A]US3719411  (MIDWINTER J);
 [A]US3830555  (WARNER J);
 [A]US3842289  (YARIV A, et al);
 [A]US3995936  (HEPNER GEORGES, et al);
 [A]US4054362  (BAUES PETER);
 [A]US4767169  (TENG CHIA-CHI [US], et al);
 [A]US4792208  (ULMAN ABRAHAM [US], et al);
 [AP]US4865406  (KHANARIAN GARO [US], 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.