Solicitação de exame técnico
#4.1
02/23/1988
RPI 905
Application data
Number
PI8606874Type
Filing
Publication
The letters patent expired on 07/22/2008: 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: 02/23/1988. We update with every new RPI gazette, published weekly.
Applicants
The Dow Chemical Company
US
Inventors
D. K. (pessoa física)
US
L. M. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
02/23/1988
RPI 905
#1.3
11/03/1987
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Procedimento automático de reclassificação. As classificações IPC anteriores eram: C08G 18/40; C08J 3/24; C09D 3/72.
03/20/2018
RPI 2463
#21.1
Patente extinta em 08/09/2001
07/22/2008
RPI 1959
#16.1
09/28/1993
RPI 1191
#9.1
05/04/1993
RPI 1170
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09/24/1991
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