Carta-patente expirada
#21.1
Patente extinta em 07/08/2011
01/08/2013
RPI 2192
Application data
Number
PI9006984Type
Filing
Publication
PCT
US1990001583 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
Ashland Oil, INC.
US
Inventors
W. J. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinta em 07/08/2011
01/08/2013
RPI 2192
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08/07/2001
RPI 1596
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04/17/2001
RPI 1580
#6.1
09/26/2000
RPI 1551
#6.1
09/16/1997
RPI 1398
#4.1
04/07/1992
RPI 1114
#1.3
11/12/1991
RPI 1093
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