Solicitação de exame técnico
#4.1
11/24/1987
RPI 892
Application data
Number
PI8606705Type
Filing
Publication
PCT
US1986000350 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: 11/24/1987. We update with every new RPI gazette, published weekly.
Applicants
The Dow Chemical Company
US
Inventors
E. S. (pessoa física)
US
R. K. (pessoa física)
US
R. H. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
11/24/1987
RPI 892
#1.3
08/11/1987
RPI 877
#21.1
Patente extinta em 18/02/2001
07/22/2008
RPI 1959
#16.1
06/28/1994
RPI 1230
#13.1
03/22/1994
RPI 1216
#9.1
11/16/1993
RPI 1198
#6.1
05/04/1993
RPI 1170
#6.1
10/27/1992
RPI 1143
#7.1
11/26/1991
RPI 1095
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.