111
02/17/1987
RPI 852
Application data
Number
PI8004588Type
Filing
Publication
The application was refused on 02/17/1987 and the appeal did not change the decision. The invention was never patented and the technology is in the public domain in Brazil.
Talk to a specialistLatest action published by the INPI: 02/17/1987. We update with every new RPI gazette, published weekly.
Applicants
Engelhard Minerals & Chemicals Corporation.
Inventors
B. M. (pessoa física)
W. M. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
02/17/1987
RPI 852
#12.2
06/10/1986
RPI 816
#9.2
02/04/1986
RPI 798
#5.1
10/16/1984
RPI 730
#4.1
05/22/1984
RPI 709
#3.1
03/23/1982
RPI 596
#15.11
Procedimento automático de reclassificação. As classificações IPC anteriores eram: C01B 33/26; C01B 33/28.
03/27/2018
RPI 2464
From the same holder
Same category
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