Publicação do pedido de patente
#3.1
12/20/1988
RPI 948
Application data
Number
PI8802474Type
Filing
Publication
The letters patent expired on 08/26/2008: 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: 12/20/1988. We update with every new RPI gazette, published weekly.
Applicants
Exxon Chemical Patents, Inc
US
Inventors
A. R. (pessoa física)
US
J. A. (pessoa física)
BR
K. L. (pessoa física)
GB
R. T. (pessoa física)
GB
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
12/20/1988
RPI 948
#2.1
10/11/1988
RPI 938
#21.1
Patente extinta em 20/05/2008
08/26/2008
RPI 1964
#16.1
08/26/1997
RPI 1395
#13.1
05/13/1997
RPI 1380
#9.1
12/10/1996
RPI 1358
#6.1
12/12/1995
RPI 1306
#4.1
12/04/1990
RPI 1044
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