Exigência - art. 36 da LPI
#6.1
08/22/1989
RPI 983
Application data
Number
PI8503491Type
Filing
Publication
The letters patent expired on 07/15/2008: 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: 08/22/1989. We update with every new RPI gazette, published weekly.
Applicants
Shin-Etsu Chemical Co., Ltd.
JP
Inventors
H. K. (pessoa física)
JP
I. K. (pessoa física)
S. K. (pessoa física)
JP
T. S. (pessoa física)
IPC Classification
Priority claims
JP
152522/1984 · 07/23/1984
JP
155967/1984 · 07/26/1984
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