Solicitação de exame técnico
#4.1
12/22/1987
RPI 896
Application data
Number
PI8506731Type
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: 12/22/1987. We update with every new RPI gazette, published weekly.
Applicants
The Dow Chemical Company
US
Inventors
H. G. (pessoa física)
US
M. B. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
12/22/1987
RPI 896
#1.3
09/23/1986
RPI 831
#21.1
Patente extinta em 09/05/2000
07/15/2008
RPI 1958
#16.1
08/31/1993
RPI 1187
#13.1
06/08/1993
RPI 1175
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02/24/1993
RPI 1160
#6.1
02/25/1992
RPI 1108
#6.1
07/16/1991
RPI 1076
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