Publicação do pedido de patente
#3.1
03/07/1989
RPI 959
Application data
Number
PI8804036Type
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: 03/07/1989. We update with every new RPI gazette, published weekly.
Applicants
The Dow Chemical Company
US
Inventors
C. K. (pessoa física)
US
F. K. (pessoa física)
US
J. A. (pessoa física)
US
T. H. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
03/07/1989
RPI 959
#2.1
01/10/1989
RPI 951
#15.11
Procedimento automático de reclassificação. A classificação IPC anterior era C08G 63/62.
03/27/2018
RPI 2464
#21.1
Patente extinta em 02/08/2003
09/02/2008
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09/24/1996
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03/19/1996
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11/14/1995
RPI 1302
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02/21/1995
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07/02/1991
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