Concessão da patente
#16.1
08/29/1989
RPI 984
Application data
Number
PI8205452Type
Filing
Publication
The letters patent expired on 07/01/2008: 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: 08/29/1989. We update with every new RPI gazette, published weekly.
Applicants
Sumitomo Chemical Company, Limited
JP
Inventors
H. Y. (pessoa física)
JP
M. M. (pessoa física)
JP
Y. H. (pessoa física)
JP
Y. K. (pessoa física)
JP
IPC Classification
Priority claims
JP
147229/81 · 09/17/1981
JP
148444/81 · 09/19/1981
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