Pedido de licença compulsória
#20.1
10/17/1989
RPI 991
The letters patent expired on 11/14/1995: 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: 10/17/1989. We update with every new RPI gazette, published weekly.
Applicants
Enichem Fibre S.p.A.
IT
Inventors
C. F. (pessoa física)
S. A. (pessoa física)
T. G. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#20.1
10/17/1989
RPI 991
#16.1
03/27/1984
RPI 701
#13.1
12/13/1983
RPI 686
#9.1
08/23/1983
RPI 670
#6.1
03/01/1983
RPI 645
#4.1
10/20/1981
RPI 574
#21.1
11/14/1995
RPI 1302
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.