Concessão da patente
#16.1
03/26/1985
RPI 753
Application data
Number
PI8107906Type
Filing
Publication
The letters patent expired on 08/19/2008: 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: 03/26/1985. We update with every new RPI gazette, published weekly.
Applicants
MITSUI TOATSU CHEMICALS [JP]
TOYO ENGINEERING CORP [JP]
Inventors
M. (pessoa física)
M. I. (pessoa física)
N. I. (pessoa física)
T. (pessoa física)
Y. F. (pessoa física)
IPC Classification
No IPC classification.
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
03/26/1985
RPI 753
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Patente extinta em 04/12/96
08/19/2008
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