Carta-patente expirada
#21.1
Patente extinta em 20/04/2010
01/08/2013
RPI 2192
Application data
Number
PI9001849Type
Filing
Publication
The letters patent expired on 01/08/2013: 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: 01/08/2013. We update with every new RPI gazette, published weekly.
Applicants
A. A. (pessoa física)
IT
Inventors
F. G. (pessoa física)
IT
P. K. (pessoa física)
IT
IPC Classification
Priority claims
IT
20 258 A/89 · 04/21/1989
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinta em 20/04/2010
01/08/2013
RPI 2192
#15.11
Alterado da Int Cl5 C07C 211/14; C07D 307/60; C10M 129/30, 133/06, 133/16; C10N 30/04, 30/12.
11/21/2000
RPI 1559
#16.1
08/24/1999
RPI 1494
#9.1
02/23/1999
RPI 1468
#6.1
09/01/1998
RPI 1445
#4.1
08/17/1993
RPI 1185
#3.1
06/18/1991
RPI 1072
#2.1
08/21/1990
RPI 1029
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