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#18.2
05/17/1988
RPI 917
The patent was granted on 06/26/1984 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.
Talk to a specialistLatest action published by the INPI: 05/17/1988. We update with every new RPI gazette, published weekly.
Applicants
Mitsubishi Petrochemical Co., Ltd
JP
Inventors
A. G. (pessoa física)
K. K. (pessoa física)
K. S. (pessoa física)
IPC Classification
Priority claims
JP
42.576/79 · 04/10/1979
Publications in the Brazilian Industrial Property Gazette (RPI).
#18.2
05/17/1988
RPI 917
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RPI 689
#6.1
04/26/1983
RPI 653
09/28/1982
RPI 623
#4.1
04/27/1982
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