Concessão da patente
#16.1
10/01/1985
RPI 780
The letters patent expired on 05/24/1994: 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: 10/01/1985. We update with every new RPI gazette, published weekly.
Applicants
IHARA CHEMICAL IND CO
Inventors
I. Y. (pessoa física)
S. Z. (pessoa física)
T. F. (pessoa física)
T. K. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
10/01/1985
RPI 780
#13.1
05/07/1985
RPI 759
#9.1
01/15/1985
RPI 743
#6.1
03/20/1984
RPI 700
#6.1
11/01/1983
RPI 680
#6.1
01/25/1983
RPI 640
#6.1
08/03/1982
RPI 615
10/27/1981
RPI 575
#21.1
05/24/1994
RPI 1225
From the same holder
Same category
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