Solicitação de exame técnico
#4.1
09/22/1987
RPI 883
Application data
Number
PI8500032Type
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: 09/22/1987. We update with every new RPI gazette, published weekly.
Applicants
DSM Melamine B.V.
NL
Melamine Chemicals, Inc.
US
Inventors
D. B. (pessoa física)
US
R. T. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
09/22/1987
RPI 883
#3.1
08/13/1985
RPI 773
#2.1
04/02/1985
RPI 754
#21.1
Patente extinta em 04/01/2000
07/15/2008
RPI 1958
#25.1
Transferido de: Melamine Chemicals, Inc.
12/08/1998
RPI 1457
#25.7
Alterada a sede conforme petição INPI/RJ nº 007549 de 31/03/98.
11/03/1998
RPI 1452
#16.1
07/25/1995
RPI 1286
#13.1
05/23/1995
RPI 1277
#9.1
01/03/1995
RPI 1257
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