Publicação do pedido de patente
#3.1
03/08/1988
RPI 907
Application data
Number
PI8702916Type
Filing
Publication
The letters patent expired on 07/29/2008: 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
Exxon Chemical Patents Inc
US
Inventors
R. M. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
03/08/1988
RPI 907
#2.1
08/11/1987
RPI 877
#21.1
Patente extinta em 09/06/2002
07/29/2008
RPI 1960
#16.1
10/31/1995
RPI 1300
#13.1
09/12/1995
RPI 1293
#9.1
04/18/1995
RPI 1272
#6.1
05/04/1993
RPI 1170
#4.1
08/28/1990
RPI 1030
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