18.8
01/03/1989
RPI 950
Application data
Number
PI8100600Type
Filing
Publication
The letters patent expired on 03/19/1996: 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: 01/03/1989. We update with every new RPI gazette, published weekly.
Applicants
Rhodia S/A
SP, BR
Inventors
W. M. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
01/03/1989
RPI 950
#18.2
11/16/1988
RPI 943
#16.1
10/29/1985
RPI 784
#13.1
08/06/1985
RPI 772
#9.1
04/16/1985
RPI 756
#6.1
07/03/1984
RPI 715
#4.1
02/02/1982
RPI 589
#3.2
11/03/1981
RPI 576
#21.1
03/19/1996
RPI 1320
From the same holder
Same category
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