Publicação do pedido de patente
#3.1
11/16/1988
RPI 943
Application data
Number
PI8801821Type
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: 11/16/1988. We update with every new RPI gazette, published weekly.
Applicants
Nippon Shokubai Kagaku Kogyo Co., Ltd.
JP
Inventors
H. Y. (pessoa física)
JP
M. B. (pessoa física)
JP
M. U. (pessoa física)
JP
S. M. (pessoa física)
JP
IPC Classification
Priority claims
JP
195,347/87 · 08/06/1987
JP
91,932/87 · 04/16/1987
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
11/16/1988
RPI 943
#2.1
08/30/1988
RPI 932
#21.1
Patente extinta em 15/04/2003
09/02/2008
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03/25/1997
RPI 1373
#9.1
04/02/1996
RPI 1322
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11/27/1990
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