Pedido de licença compulsória
#20.1
11/14/1989
RPI 995
Application data
Number
PI8100704Type
Filing
Publication
The patent was granted on 11/27/1984 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.
Talk to a specialistLatest action published by the INPI: 11/14/1989. We update with every new RPI gazette, published weekly.
Applicants
TENNECO CHEM [US]
Inventors
C. P. (pessoa física)
D. R. (pessoa física)
H. (pessoa física)
M. M. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#20.1
11/14/1989
RPI 995
11/07/1989
RPI 994
10/31/1989
RPI 993
#16.1
11/27/1984
RPI 736
#13.1
09/04/1984
RPI 724
#9.1
05/22/1984
RPI 709
#4.1
05/10/1983
RPI 655
#3.1
10/05/1982
RPI 624
#15.11
Procedimento automático de reclassificação. A classificação IPC anterior era C22B 15/12.
03/27/2018
RPI 2464
#18.2
08/23/1994
RPI 1238
From the same holder
Same category
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