Solicitação de exame técnico
#4.1
08/11/1987
RPI 877
The letters patent expired on 07/08/2008: 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: 08/11/1987. We update with every new RPI gazette, published weekly.
Applicants
H. A. (pessoa física)
DE
Industria Prodotti Chimici Spa
IT
Inventors
D. A. (pessoa física)
DE
D. H. (pessoa física)
DE
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
08/11/1987
RPI 877
#2.1
02/26/1985
RPI 749
#21.1
Patente extinta em 13/12/99
07/08/2008
RPI 1957
#25.1
Transferido de: Hoechst Ag
11/10/1998
RPI 1453
#15.11
09/24/1991
RPI 1086
#16.1
04/30/1991
RPI 1065
#13.1
01/08/1991
RPI 1049
#9.1
09/25/1990
RPI 1034
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