Pedido de patente depositado
#2.1
07/04/1989
RPI 976
Application data
Number
PI8902341Type
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
Mitsubishi Rayon Co., Ltd.
JP
Nitto Chemical Industry Co., LTD (Nitto Kagaku Kogyo Kabushiki Kaisha)
JP
Inventors
K. N. (pessoa física)
JP
T. I. (pessoa física)
JP
T. F. (pessoa física)
JP
Y. A. (pessoa física)
JP
Y. N. (pessoa física)
JP
IPC Classification
Priority claims
JP
121966/1988 · 05/20/1988
Publications in the Brazilian Industrial Property Gazette (RPI).
#2.1
07/04/1989
RPI 976
#21.1
Patente extinta em 19/05/2004
12/22/2009
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Transferido de: Nitto Chemical Industry CO., LTD (Nitto KagakuKogyo Kabushihi Kaisha)
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