Concessão da patente
#16.1
03/27/1984
RPI 701
The letters patent expired on 05/31/1994: 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: 03/27/1984. We update with every new RPI gazette, published weekly.
Applicants
TIOXIDE GROUP LTD
Inventors
M. F. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
03/27/1984
RPI 701
#13.1
01/24/1984
RPI 692
#9.1
10/11/1983
RPI 677
#6.1
04/26/1983
RPI 653
01/26/1982
RPI 588
#21.1
05/31/1994
RPI 1226
Same category
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