Concessão da patente
#16.1
07/25/1989
RPI 979
Application data
Number
PI8201807Type
Filing
Publication
The letters patent expired on 07/01/2008: 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: 07/25/1989. We update with every new RPI gazette, published weekly.
Applicants
Sumitomo Chemical Company, Limited
JP
Inventors
E. N. (pessoa física)
JP
H. O. (pessoa física)
JP
H. M. (pessoa física)
JP
K. K. (pessoa física)
JP
R. Y. (pessoa física)
JP
S. H. (pessoa física)
JP
IPC Classification
Priority claims
JP
138044/1981 · 09/01/1981
JP
15899/1982 · 02/02/1982
JP
173364/1981 · 10/28/1981
JP
180046/1981 · 11/09/1981
JP
180047/1981 · 11/09/1981
JP
180547/1981 · 11/10/1981
JP
182024/1981 · 11/12/1981
JP
182025/1981 · 11/12/1981
JP
211414/1981 · 12/28/1981
JP
47816/1981 · 03/30/1981
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