Pedido de certificado de adição de invenção
#5.1
02/25/1986
RPI 801
Application data
Number
PI8204470Type
Filing
Publication
The letters patent expired on 07/01/2008: 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: 02/25/1986. We update with every new RPI gazette, published weekly.
Applicants
Sumitomo Chemical Company, Limited
JP
Inventors
H. T. (pessoa física)
JP
T. K. (pessoa física)
JP
Y. T. (pessoa física)
JP
Publications in the Brazilian Industrial Property Gazette (RPI).
#5.1
02/25/1986
RPI 801
#5.1
11/19/1985
RPI 787
#4.1
07/09/1985
RPI 768
#3.1
07/19/1983
RPI 665
#2.1
09/14/1982
RPI 621
#21.1
Patente extinta em 29/07/97
07/01/2008
RPI 1956
#16.1
07/27/1993
RPI 1182
#13.1
05/25/1993
RPI 1173
#9.1
02/09/1993
RPI 1158
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