Solicitação de exame técnico
#4.1
03/08/1988
RPI 907
Application data
Number
PI8506818Type
Filing
Publication
The letters patent expired on 07/15/2008: 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: 03/08/1988. We update with every new RPI gazette, published weekly.
Applicants
The Dow Chemical Company
US
Inventors
M. C. (pessoa física)
US
R. H. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
03/08/1988
RPI 907
#1.3
11/25/1986
RPI 840
#21.1
Patente extinta em 25/03/2000
07/15/2008
RPI 1958
#16.1
07/30/1991
RPI 1078
#13.1
03/19/1991
RPI 1059
#9.1
12/04/1990
RPI 1044
#6.1
06/05/1990
RPI 1021
From the same holder
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