Exigência - art. 36 da LPI
#6.1
10/17/1989
RPI 991
Application data
Number
PI8407348Type
Filing
Publication
The letters patent expired on 07/08/2008: 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: 10/17/1989. We update with every new RPI gazette, published weekly.
Applicants
The Dow Chemical Company
US
Inventors
D. W. (pessoa física)
US
D. C. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#6.1
10/17/1989
RPI 991
#6.1
03/07/1989
RPI 959
#4.1
04/12/1988
RPI 912
#1.3
09/23/1986
RPI 831
#21.1
Patente extinta em 14/08/99
07/08/2008
RPI 1957
#16.1
10/30/1990
RPI 1039
#13.1
08/21/1990
RPI 1029
#9.1
04/24/1990
RPI 1015
From the same holder
Same category
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