Publicação do pedido de patente
#3.1
12/20/1988
RPI 948
Application data
Number
PI8802534Type
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
B. H. (pessoa física)
US
M. W. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
12/20/1988
RPI 948
#2.1
10/25/1988
RPI 940
#21.1
Patente extinta em 24/05/2008
08/26/2008
RPI 1964
#16.1
10/28/1997
RPI 1404
#13.1
09/23/1997
RPI 1399
#15.11
03/04/1997
RPI 1370
#9.1
03/04/1997
RPI 1370
#6.1
06/06/1995
RPI 1279
#4.1
02/13/1991
RPI 1054
From the same holder
Same category
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