6.2
05/30/1989
RPI 971
Application data
Number
PI8503916Type
Filing
Publication
The letters patent expired on 07/15/2008: 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: 05/30/1989. We update with every new RPI gazette, published weekly.
Applicants
The Dow Chemical Company
US
Inventors
C. J. (pessoa física)
US
J. G. (pessoa física)
US
W. S. (pessoa física)
US
IPC Classification
Priority claims
US
641.649 · 08/17/1984
US
744.190 · 06/13/1985
Publications in the Brazilian Industrial Property Gazette (RPI).
05/30/1989
RPI 971
#4.1
06/28/1988
RPI 923
#3.1
05/27/1986
RPI 814
#2.1
10/15/1985
RPI 782
#21.1
Patente extinta em 16/08/2000
07/15/2008
RPI 1958
Não conhecida a petição nº RJ 027737 de 07/08/2000, rotulada de "Extensão de prazo", por falta de fundamentação legal - artigo 219 inciso II.
06/14/2005
RPI 1797
#16.1
07/25/1995
RPI 1286
#13.1
05/02/1995
RPI 1274
#9.1
12/20/1994
RPI 1255
#6.1
05/17/1994
RPI 1224
#6.1
03/23/1993
RPI 1164
#7.1
05/14/1991
RPI 1067
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