Carta-patente expirada
#21.1
Patente extinte em 22/08/2011
06/04/2013
RPI 2213
Application data
Number
PI9103603Type
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
Nippon Petrochemicals Co., Ltd
JP
Polymer Processing Research Institute, Ltd
JP
Inventors
H. R. (pessoa física)
JP
H. Y. (pessoa física)
JP
K. K. (pessoa física)
JP
K. A. (pessoa física)
JP
T. H. (pessoa física)
JP
T. O. (pessoa física)
JP
IPC Classification
Priority claims
JP
2-222095 · 08/23/1990
JP
2-243146 · 09/13/1990
JP
2-256288 · 09/26/1990
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinte em 22/08/2011
06/04/2013
RPI 2213
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