Concessão da patente
#16.1
12/29/1987
RPI 897
Application data
Number
PI8103389Type
Filing
Publication
The letters patent expired on 10/08/1996: 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: 12/29/1987. We update with every new RPI gazette, published weekly.
Applicants
Atochem North America, Inc.
US
Inventors
H. B. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
12/29/1987
RPI 897
#13.1
09/29/1987
RPI 884
#9.1
06/09/1987
RPI 868
04/15/1986
RPI 808
#15.11
04/01/1986
RPI 806
#6.1
04/16/1985
RPI 756
#4.1
08/28/1984
RPI 723
#3.1
08/24/1982
RPI 618
#15.11
Procedimento automático de reclassificação. As classificações IPC anteriores eram: C07C 149/26; B01J 29/08; C07C 313/00; C07C 321/04; C07C 321/00.
03/20/2018
RPI 2463
#21.1
10/08/1996
RPI 1349
10/15/1991
RPI 1089
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