Carta-patente expirada
#21.1
Patente extinta em 07/08/2010
01/22/2013
RPI 2194
Application data
Number
PI9007727Type
Filing
Publication
PCT
US1990004410 The letters patent expired on 01/22/2013: 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: 01/22/2013. We update with every new RPI gazette, published weekly.
Applicants
The Dow Chemical Company
US
Inventors
G. L. (pessoa física)
US
J. B. (pessoa física)
US
M. F. (pessoa física)
US
R. T. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinta em 07/08/2010
01/22/2013
RPI 2194
#16.1
11/03/1999
RPI 1504
#9.1
05/25/1999
RPI 1481
#6.1
10/27/1998
RPI 1451
#4.1
04/19/1994
RPI 1220
#1.3
07/21/1992
RPI 1129
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