Carta-patente expirada
#21.1
PATENTE EXTINTA EM 30.11.2020
03/02/2021
RPI 2617
Application data
Number
PI0003698Type
Filing
Publication
The letters patent expired on 03/02/2021: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.
Talk to a specialistLatest action published by the INPI: 03/02/2021. We update with every new RPI gazette, published weekly.
Applicants
B. A. (pessoa física)
DE
BAYER INTELLECTUAL PROPERTY GMBH
DE
Inventors
H. W. (pessoa física)
DE
R. L. (pessoa física)
DE
IPC Classification
Priority claims
DE
199 39 190.4 · 08/18/1999
DE
199 48 933.5 · 10/11/1999
Abstract
Patente de Invenção: "PROCESSO PARA A PREPARAÇÃO DE 4,6-DI-CLORO-5-FLÚOR-PIRIMIDINA" . A invenção refere-se a um novo processo para a preparação de 4,6-dicloro-5-flúor-pirimidina.
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