Concessão da patente
#16.1
09/26/1989
RPI 988
Application data
Number
PI8306472Type
Filing
Publication
The letters patent expired on 07/01/2008: 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: 09/26/1989. We update with every new RPI gazette, published weekly.
Applicants
Rhodia S/A
SP, BR
Inventors
H. S. (pessoa física)
CH
R. H. (pessoa física)
FR
IPC Classification
Priority claims
CH
1935/82-2 · 03/30/1982
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
09/26/1989
RPI 988
#13.1
05/16/1989
RPI 969
#9.1
01/03/1989
RPI 950
#6.1
05/10/1988
RPI 916
09/02/1986
RPI 828
#4.1
10/29/1985
RPI 784
#1.3
02/07/1984
RPI 694
#15.11
Procedimento automático de reclassificação. As classificações IPC anteriores eram: D01F 6/92; D01F 6/84; C08L 67/02; C08F 63/68.
03/27/2018
RPI 2464
#21.1
Patente extinta em 16/03//98
07/01/2008
RPI 1956
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.