Exigência - art. 36 da LPI
#6.1
09/05/1989
RPI 985
Application data
Number
PI8307037Type
Filing
Publication
The letters patent expired on 07/01/2008: 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: 09/05/1989. We update with every new RPI gazette, published weekly.
Applicants
The Dow Chemical Company
US
Inventors
C. R. (pessoa física)
US
J. J. (pessoa física)
US
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#6.1
09/05/1989
RPI 985
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11/08/1988
RPI 942
#4.1
07/21/1987
RPI 874
#3.1
07/23/1985
RPI 770
#2.1
03/13/1984
RPI 699
#21.1
Patente extinta em 16/12/98
07/01/2008
RPI 1956
#16.1
11/27/1990
RPI 1043
#13.1
08/28/1990
RPI 1030
#9.1
05/22/1990
RPI 1019
From the same holder
Same category
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