Pedido de patente depositado
#2.1
07/11/1989
RPI 977
Application data
Number
PI8902573Type
Filing
Publication
The letters patent expired on 05/21/2013: 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: 07/11/1989. We update with every new RPI gazette, published weekly.
Applicants
Rhodia S/A
SP, BR
Inventors
H. B. (pessoa física)
CH
K. F. (pessoa física)
CH
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#2.1
07/11/1989
RPI 977
#21.1
Patente extinta em 12/05/2009
05/21/2013
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