Concessão da patente
#16.1
02/28/1989
RPI 958
The letters patent expired on 04/18/1995: 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: 02/28/1989. We update with every new RPI gazette, published weekly.
Applicants
HODOGAYA CHEMICAL CO LTD
K. R. (pessoa física)
RIKEN VITAMIN OIL CO LTD
Inventors
A. Y. (pessoa física)
H. T. (pessoa física)
H. Y. (pessoa física)
M. T. (pessoa física)
Y. M. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
02/28/1989
RPI 958
#13.1
09/06/1988
RPI 933
#9.1
05/17/1988
RPI 917
#6.1
10/27/1987
RPI 888
#6.1
05/04/1982
RPI 602
#21.1
04/18/1995
RPI 1272
From the same holder
Same category
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