Solicitação de exame técnico
#4.1
03/01/1988
RPI 906
Application data
Number
PI8607003Type
Filing
Publication
PCT
US1986000341 The letters patent expired on 07/22/2008: 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: 03/01/1988. We update with every new RPI gazette, published weekly.
Applicants
The Dow Chemical Company
US
Inventors
R. K. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
03/01/1988
RPI 906
#1.3
12/01/1987
RPI 893
#21.1
Patente extinta em 18/02/2001
07/22/2008
RPI 1959
#16.1
09/28/1993
RPI 1191
#9.1
05/04/1993
RPI 1170
#6.1
11/03/1992
RPI 1144
#6.1
04/02/1991
RPI 1061
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