Publicação do pedido de patente
#3.1
03/08/1988
RPI 907
Application data
Number
PI8703029Type
Filing
Publication
The letters patent expired on 07/29/2008: 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: 03/08/1988. We update with every new RPI gazette, published weekly.
Applicants
DU PONT [US]
Inventors
C. S. (pessoa física)
US
H. S. (pessoa física)
US
J. A. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
03/08/1988
RPI 907
#2.1
09/01/1987
RPI 880
#15.11
Procedimento automático de reclassificação. As classificações IPC anteriores eram: C08F 265/02; C09D 3/80.
03/27/2018
RPI 2464
#21.1
Patente extinta em 16/06/2002
07/29/2008
RPI 1960
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12/31/1996
RPI 1361
#9.1
03/19/1996
RPI 1320
#6.1
07/20/1993
RPI 1181
#6.1
01/14/1992
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02/13/1990
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