Solicitação de exame técnico
#4.1
02/23/1988
RPI 905
Application data
Number
PI8606770Type
Filing
Publication
PCT
US1986000336 The letters patent expired on 07/22/2008: 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: 02/23/1988. We update with every new RPI gazette, published weekly.
Applicants
The Dow Chemical Company
US
Inventors
R. K. (pessoa física)
US
R. H. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
02/23/1988
RPI 905
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Patente extinta em 18/02/2001
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