Carta-patente expirada
#21.1
Patente extinta em 26/04/2011
06/04/2013
RPI 2213
Application data
Number
PI9101695Type
Filing
Publication
The letters patent expired on 06/04/2013: 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: 06/04/2013. We update with every new RPI gazette, published weekly.
Applicants
Exxon Research And Engineering Company
US
Inventors
S. C. (pessoa física)
GB
T. S. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinta em 26/04/2011
06/04/2013
RPI 2213
#15.11
Alterado da Int Cl5 B01J 4/00; C10G 11/18.
11/21/2000
RPI 1559
#16.1
07/27/1999
RPI 1490
#9.1
03/02/1999
RPI 1469
#6.1
09/29/1998
RPI 1449
#6.1
04/14/1998
RPI 1425
#4.1
03/29/1994
RPI 1217
#3.1
12/10/1991
RPI 1097
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Same category
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