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Extract from the Register of European Patents

EP About this file: EP0459259

EP0459259 - Disazo dyes [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  30.09.1995
Database last updated on 25.09.2024
Most recent event   Tooltip30.09.1995No opposition filed within time limitpublished on 22.11.1995 [1995/47]
Applicant(s)For all designated states
BAYER AG
51368 Leverkusen / DE
[N/P]
Former [1991/49]For all designated states
BAYER AG
D-51368 Leverkusen / DE
Inventor(s)01 / Hinrichs, Rolf, Dr.
Bernhard-Letterhaus-Strasse 16
W-5090 Leverkusen 1 / DE
02 / Kunde, Klaus, Dr.
Moltkestrasse 5
W-5206 Neuenkirchen 1 / DE
[1991/49]
Application number, filing date91108085.118.05.1991
[1991/49]
Priority number, dateDE1990401756931.05.1990         Original published format: DE 4017569
[1991/49]
Filing languageDE
Procedural languageDE
PublicationType: A1 Application with search report 
No.:EP0459259
Date:04.12.1991
Language:DE
[1991/49]
Type: B1 Patent specification 
No.:EP0459259
Date:30.11.1994
Language:DE
[1994/48]
Search report(s)(Supplementary) European search report - dispatched on:EP13.08.1991
ClassificationIPC:C09B45/28
[1991/49]
CPC:
C09B45/28 (EP,US); Y10S8/918 (US); Y10S8/919 (US)
Designated contracting statesCH,   DE,   FR,   GB,   LI [1991/49]
TitleGerman:Disazofarbstoffe[1991/49]
English:Disazo dyes[1991/49]
French:Colorants disazoiques[1991/49]
Examination procedure17.12.1991Examination requested  [1992/08]
11.06.1993Despatch of a communication from the examining division (Time limit: M04)
13.10.1993Reply to a communication from the examining division
04.02.1994Despatch of a communication from the examining division (Time limit: M04)
10.03.1994Reply to a communication from the examining division
22.04.1994Despatch of communication of intention to grant (Approval: Yes)
18.05.1994Communication of intention to grant the patent
11.07.1994Fee for grant paid
11.07.1994Fee for publishing/printing paid
Opposition(s)31.08.1995No opposition filed within time limit [1995/47]
Fees paidRenewal fee
14.04.1993Renewal fee patent year 03
20.04.1994Renewal fee patent year 04
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Documents cited:Search[A]JP57145155  ;
 [A]DE3236238  (SANDOZ AG [DE]);
 [A]EP0301350  (BAYER AG [DE])
 [A]  - CHEMICAL ABSTRACTS, Band 98, Nr. 10, März 1983, Seite 76, Zusammenfassung Nr. 73825f, Columbus, Ohio, US; & JP-A-57 145 155 (NIPPON KAYAKU CO., LTD) 08-09-1982, & JP57145155 A 00000000
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