20.11
04/10/1984
RPI 703
The letters patent expired on 09/21/1993: 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: 04/10/1984. We update with every new RPI gazette, published weekly.
Applicants
IMP EASTMAN CORP
Inventors
C. A. (pessoa física)
H. M. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
04/10/1984
RPI 703
#20.1
03/07/1984
RPI 698
#20.1
11/01/1983
RPI 680
#16.1
02/24/1982
RPI 592
#21.1
09/21/1993
RPI 1190
From the same holder
Same category
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