Solicitação de exame técnico
#4.1
07/05/1988
RPI 924
Application data
Number
PI8503732Type
Filing
Publication
The patent was granted on 05/31/1994 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: 07/05/1988. We update with every new RPI gazette, published weekly.
Applicants
Nippon Soda Co., Ltd
JP
Inventors
H. H. (pessoa física)
JP
H. I. (pessoa física)
JP
H. I. (pessoa física)
JP
K. H. (pessoa física)
JP
IPC Classification
Priority claims
JP
1446/1985 · 01/10/1985
JP
164855/1985 · 08/08/1984
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