Concessão da patente
#16.1
07/25/1989
RPI 979
Application data
Number
PI8107787Type
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: 07/25/1989. We update with every new RPI gazette, published weekly.
Applicants
KAWASAKI KASEI CHEMICALS [JP]
Inventors
K. S. (pessoa física)
K. C. (pessoa física)
T. S. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
07/25/1989
RPI 979
#13.1
01/17/1989
RPI 952
11/29/1988
RPI 945
06/21/1988
RPI 922
#12.2
11/10/1987
RPI 890
#9.2
08/04/1987
RPI 876
#7.1
01/21/1986
RPI 796
#15.11
01/08/1985
RPI 742
#6.1
05/22/1984
RPI 709
#4.1
04/19/1983
RPI 652
#3.1
08/31/1982
RPI 619
#2.1
01/12/1982
RPI 586
#21.1
Patente extinta em 30/11/96
08/19/2008
RPI 1963
Same category
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