Concessão da patente
#16.1
01/10/1989
RPI 951
Application data
Number
PI8303261Type
Filing
Publication
The letters patent expired on 08/19/2008: 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: 01/10/1989. We update with every new RPI gazette, published weekly.
Applicants
NAT STARCH CHEM CORP [US]
Inventors
B. G. (pessoa física)
S. D. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
01/10/1989
RPI 951
#13.1
10/04/1988
RPI 937
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06/14/1988
RPI 921
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11/24/1987
RPI 892
#4.1
05/07/1985
RPI 759
#3.1
02/07/1984
RPI 694
#2.1
08/02/1983
RPI 667
#21.1
Patente extinta em 20/06/98
08/19/2008
RPI 1963
Same category
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