Concessão da patente
#16.1
10/27/1987
RPI 888
Application data
Number
PI8106923Type
Filing
Publication
The letters patent expired on 08/19/2008: 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: 10/27/1987. We update with every new RPI gazette, published weekly.
Applicants
HODOGAYA CHEMICAL CO LTD [JP]
Inventors
I. T. (pessoa física)
S. Y. (pessoa física)
T. T. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
10/27/1987
RPI 888
#13.1
09/22/1987
RPI 883
#9.1
05/12/1987
RPI 864
#6.1
08/06/1985
RPI 772
#4.1
05/15/1984
RPI 708
#3.1
07/13/1982
RPI 612
#2.1
12/15/1981
RPI 582
#21.1
Patente extinta em 27/10/96
08/19/2008
RPI 1963
From the same holder
Same category
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