Carta-patente expirada
#21.1
Patente extinta em 17/10/2010
05/28/2013
RPI 2212
Application data
Number
PI9007642Type
Filing
Publication
PCT
US1990005208 The letters patent expired on 05/28/2013: 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: 05/28/2013. We update with every new RPI gazette, published weekly.
Applicants
Exxon Chemical Patents Inc
US
Inventors
J. C. (pessoa física)
US
IPC Classification
Priority claims
US
406.945 · 09/13/1989
US
533.245 · 06/04/1990
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinta em 17/10/2010
05/28/2013
RPI 2212
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10/17/2000
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05/30/2000
RPI 1534
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06/01/1999
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11/09/1993
RPI 1197
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06/15/1993
RPI 1176
#1.3
07/21/1992
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