Pedido de patente depositado
#2.1
07/04/1989
RPI 976
Application data
Number
PI8902227Type
Filing
Publication
The letters patent expired on 12/22/2009: 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: 07/04/1989. We update with every new RPI gazette, published weekly.
Applicants
Rohm And Haas Company
US
Inventors
J. M. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#2.1
07/04/1989
RPI 976
#21.1
Patente extinta em 12/05/2004
12/22/2009
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04/29/1997
RPI 1378
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03/25/1997
RPI 1373
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08/27/1996
RPI 1343
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06/06/1995
RPI 1279
#4.1
03/10/1992
RPI 1110
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01/02/1990
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