6.2
07/26/1988
RPI 927
Application data
Number
PI8403978Type
Filing
Publication
The letters patent expired on 07/08/2008: 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: 07/26/1988. We update with every new RPI gazette, published weekly.
Applicants
Nippon Zeon Co. Ltd.
JP
Inventors
T. H. (pessoa física)
JP
Publications in the Brazilian Industrial Property Gazette (RPI).
07/26/1988
RPI 927
#4.1
09/30/1986
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#3.1
07/09/1985
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#2.1
10/16/1984
RPI 730
#21.1
Patente extinta em 09/08/99
07/08/2008
RPI 1957
#16.1
10/29/1991
RPI 1091
#13.1
07/09/1991
RPI 1075
#9.1
03/26/1991
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