Carta-patente expirada
#21.1
Patente extinta em 20/04/2010
01/08/2013
RPI 2192
Application data
Number
PI9006747Type
Filing
Publication
PCT
US1990002157 The letters patent expired on 01/08/2013: 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: 01/08/2013. We update with every new RPI gazette, published weekly.
Applicants
Thiele Kaolin Company
US
Inventors
J. C. (pessoa física)
US
J. S. (pessoa física)
US
T. S. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinta em 20/04/2010
01/08/2013
RPI 2192
#16.1
12/28/1999
RPI 1512
#9.1
06/29/1999
RPI 1486
#6.1
01/26/1999
RPI 1464
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06/23/1998
RPI 1435
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04/06/1993
RPI 1166
#1.3
08/06/1991
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