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Bibliographic data
Indications of the International Patent Classification (IPC)
(51) INT.CL.: (2006.01) C07D 451/00
C07D 451/00
Patent
(11) Number of the document 2582
(13) Kind of document B
(21) Application number RP654
(22) Date of filing the application 1993-06-12
(41) Date of publication of the application
(45) Date of publication of patent 1994-03-25
PCT application
(86) Number 1327787
Date 1982-11-03
Priority applications
(30) Number Date Country code
31 43 946.2 1981-11-05 DE
Applicant
(71) HOECHST AKTIENGESELLSCHAFT, D-65926 Frankfurt am Main, DE
Inventors
(72) Bernward SCHOELKENS, DE
Reinhard BECKER, DE
Folker TEETZ, DE
Rolf GEIGER, DE
Hansjorg URBACH, DE
Grantee
(73) HOECHST AKTIENGESELLSCHAFT, D-65926 Frankfurt am Main, DE
Attorney or representative
(74) Reda ŽABOLIENĖ, METIDA, Verslo centras "VERTAS", Gynėjų g. 16, LT-01109 Vilnius, LT
Title
(54)
Last renewal fee
Payment date Validity (years) Amount
1997-06-12 7 250.00 USD
Next renewal fee
2000-06-12
Legal status
Patent expired
Invalidation date 1997-11-03
Last update date 2021-10-22