Solicitação de exame técnico
#4.1
06/21/1988
RPI 922
Application data
Number
PI8706038Type
Filing
Publication
The letters patent expired on 07/29/2008: 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: 06/21/1988. We update with every new RPI gazette, published weekly.
Applicants
The Dow Chemical Company
US
Inventors
A. S. (pessoa física)
US
R. K. (pessoa física)
US
S. H. (pessoa física)
US
IPC Classification
Priority claims
US
835.013 · 02/28/1986
US
872.372 · 06/09/1986
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
06/21/1988
RPI 922
#1.3
04/05/1988
RPI 911
#21.1
Patente extinta em 27/02/2002
07/29/2008
RPI 1960
#16.1
11/30/1993
RPI 1200
06/29/1993
RPI 1178
#9.1
04/27/1993
RPI 1169
#6.1
02/25/1992
RPI 1108
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