Concessão da patente
#16.1
10/29/1985
RPI 784
Application data
Number
PI8101331Type
Filing
Publication
The letters patent expired on 09/24/1996: 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: 10/29/1985. We update with every new RPI gazette, published weekly.
Applicants
Atochem North America, Inc.
US
Inventors
C. R. (pessoa física)
G. D. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
10/29/1985
RPI 784
#13.1
08/06/1985
RPI 772
#9.1
04/16/1985
RPI 756
#6.1
08/28/1984
RPI 723
#4.1
11/22/1983
RPI 683
#3.1
10/13/1981
RPI 573
#15.11
Procedimento automático de reclassificação. As classificações IPC anteriores eram: C07C 87/10; B01J 23/74.
03/27/2018
RPI 2464
#21.1
09/24/1996
RPI 1347
10/15/1991
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