Conhecimento de parecer técnico
#7.1
01/31/1989
RPI 954
Application data
Number
PI8403756Type
Filing
Publication
The patent was granted on 04/28/1992 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.
Talk to a specialistLatest action published by the INPI: 01/31/1989. We update with every new RPI gazette, published weekly.
Applicants
Resana S/A Indústrias Quimicas
SP, BR
Inventors
C. O. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#7.1
01/31/1989
RPI 954
#4.1
04/19/1988
RPI 913
#3.1
03/04/1986
RPI 802
#2.1
10/02/1984
RPI 728
#15.11
Procedimento automático de reclassificação. As classificações IPC anteriores eram: C08L 71/06; C08K 3/20; C08K 5/42.
03/27/2018
RPI 2464
#18.2
09/12/1995
RPI 1293
#16.1
04/28/1992
RPI 1117
02/04/1992
RPI 1105
#13.1
07/09/1991
RPI 1075
04/23/1991
RPI 1064
10/02/1990
RPI 1035
#12.2
05/15/1990
RPI 1018
#9.2
01/09/1990
RPI 1001
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.