Exigência - art. 36 da LPI
#6.1
12/06/1988
RPI 946
Application data
Number
PI8402940Type
Filing
Publication
The letters patent expired on 07/08/2008: 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: 12/06/1988. We update with every new RPI gazette, published weekly.
Applicants
Basf Farben + Fasern Aktiengesellschaft
Basf Lacke + Farben Aktiengesellschaft
DE
Inventors
A. M. (pessoa física)
DE
F. B. (pessoa física)
DE
U. P. (pessoa física)
DE
IPC Classification
Priority claims
DE
P 33 22 037.9 · 06/18/1983
Publications in the Brazilian Industrial Property Gazette (RPI).
#6.1
12/06/1988
RPI 946
#4.1
08/11/1987
RPI 877
06/02/1987
RPI 867
05/26/1987
RPI 866
#3.1
05/28/1985
RPI 762
#2.1
08/21/1984
RPI 722
#15.11
Procedimento automático de reclassificação. A classificação IPC anterior era C09D 3/72.
03/27/2018
RPI 2464
#21.1
Patente extinta em 15/06/99
07/08/2008
RPI 1957
#16.1
05/28/1991
RPI 1069
#13.1
02/13/1991
RPI 1054
#9.1
10/30/1990
RPI 1039
#6.1
04/03/1990
RPI 1012
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.