Concessão da patente
#16.1
01/25/1983
RPI 640
The letters patent expired on 07/06/1993: 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: 01/25/1983. We update with every new RPI gazette, published weekly.
Applicants
HOECHST AG
Inventors
H. [. (pessoa física)
H. [. (pessoa física)
K. [. (pessoa física)
L. [. (pessoa física)
Pessoa física
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
01/25/1983
RPI 640
#13.1
11/30/1982
RPI 632
01/12/1982
RPI 586
#6.1
12/01/1981
RPI 580
#21.1
07/06/1993
RPI 1179
From the same holder
Same category
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