Publicação do pedido de patente
#3.1
03/28/1989
RPI 962
Application data
Number
PI8804386Type
Filing
Publication
The letters patent expired on 09/02/2008: 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: 03/28/1989. We update with every new RPI gazette, published weekly.
Applicants
The Dow Chemical Company
US
Inventors
J. W. (pessoa física)
US
J. A. (pessoa física)
US
R. I. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
03/28/1989
RPI 962
#2.1
01/24/1989
RPI 953
#15.11
Procedimento automático de reclassificação. A classificação IPC anterior era C08G 63/62.
03/27/2018
RPI 2464
#21.1
Patente extinta em 24/08/2003
09/02/2008
RPI 1965
#16.1
04/29/1997
RPI 1378
#13.1
07/09/1996
RPI 1336
#9.1
01/30/1996
RPI 1313
#6.1
06/21/1994
RPI 1229
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07/09/1991
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