16.3
07/29/1986
RPI 823
The letters patent expired on 05/09/1995: 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: 07/29/1986. We update with every new RPI gazette, published weekly.
Applicants
ROHM & HAAS
Inventors
C. C. (pessoa física)
T. S. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
07/29/1986
RPI 823
#16.1
04/29/1986
RPI 810
#13.1
01/14/1986
RPI 795
#9.1
09/10/1985
RPI 777
#6.1
10/09/1984
RPI 729
#6.1
01/10/1984
RPI 690
#4.1
11/09/1982
RPI 629
#21.1
05/09/1995
RPI 1275
From the same holder
Same category
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