20.5
10/31/1989
RPI 993
Application data
Number
PI8104669Type
Filing
Publication
The patent was granted on 02/26/1985 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: 10/31/1989. We update with every new RPI gazette, published weekly.
Applicants
TENNECO CHEM [US]
Inventors
H. J. (pessoa física)
O. C. (pessoa física)
W. G. (pessoa física)
IPC Classification
No IPC classification.
Publications in the Brazilian Industrial Property Gazette (RPI).
10/31/1989
RPI 993
#16.1
02/26/1985
RPI 749
#13.1
12/11/1984
RPI 738
#9.1
08/07/1984
RPI 720
#4.1
03/01/1983
RPI 645
#3.1
04/06/1982
RPI 598
#18.2
08/07/1990
RPI 1027
From the same holder
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