Concessão da patente
#16.1
02/23/1988
RPI 905
The letters patent expired on 07/26/1994: 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: 02/23/1988. We update with every new RPI gazette, published weekly.
Applicants
WACKER CHEMIE GMBH
Inventors
D. N. (pessoa física)
S. A. (pessoa física)
S. O. (pessoa física)
S. A. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
02/23/1988
RPI 905
#13.1
11/24/1987
RPI 892
#9.1
08/04/1987
RPI 876
03/16/1982
RPI 595
#21.1
07/26/1994
RPI 1234
From the same holder
Same category
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