Carta-patente expirada
#21.1
Patente extinta em 13/11/2009
12/26/2012
RPI 2190
Application data
Number
PI8905776Type
Filing
Publication
The letters patent expired on 12/26/2012: 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: 12/26/2012. We update with every new RPI gazette, published weekly.
Applicants
Sumitomo Chemical Company, Limited
JP
Inventors
K. D. (pessoa física)
JP
S. S. (pessoa física)
JP
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinta em 13/11/2009
12/26/2012
RPI 2190
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12/29/1998
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08/18/1998
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06/12/1990
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