16.3
07/29/1986
RPI 823
The letters patent expired on 05/02/1995: 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: 07/29/1986. We update with every new RPI gazette, published weekly.
Applicants
HOOKER CHEMICALS PLASTICS CORP
Inventors
L. P. (pessoa física)
P. H. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
07/29/1986
RPI 823
#16.1
04/29/1986
RPI 810
#13.1
12/24/1985
RPI 792
#9.1
08/20/1985
RPI 774
#6.1
12/18/1984
RPI 739
04/10/1984
RPI 703
11/01/1983
RPI 680
#7.1
08/23/1983
RPI 670
02/08/1983
RPI 642
#4.1
07/13/1982
RPI 612
#21.1
05/02/1995
RPI 1274
From the same holder
Same category
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