Carta-patente expirada
#21.1
Patente extinta em 10/05/2011
06/04/2013
RPI 2213
Application data
Number
PI9101919Type
Filing
Publication
The letters patent expired on 06/04/2013: 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: 06/04/2013. We update with every new RPI gazette, published weekly.
Applicants
Kumiai Chemical Industry Co., Ltd.
JP
Inventors
K. K. (pessoa física)
JP
T. M. (pessoa física)
JP
IPC Classification
Priority claims
JP
122210/1990 · 05/12/1990
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinta em 10/05/2011
06/04/2013
RPI 2213
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11/03/1998
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12/17/1991
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