Publicação do pedido de patente
#3.1
07/18/1989
RPI 978
Application data
Number
PI8707121Type
Filing
Publication
The letters patent expired on 12/11/2012: 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: 07/18/1989. We update with every new RPI gazette, published weekly.
Applicants
Exxonmobil Research And Engineering Company
US
Exxon Research And Engineering Company
US
Inventors
F. F. (pessoa física)
US
S. B. (pessoa física)
US
W. T. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
07/18/1989
RPI 978
#2.1
04/12/1988
RPI 912
#21.1
Patente extinta em 30/03/2009
12/11/2012
RPI 2188
#25.4
Alterado de Exxon Research and Engineering Company
06/19/2001
RPI 1589
#16.1
03/30/1999
RPI 1473
#9.1
11/10/1998
RPI 1453
#7.1
05/26/1998
RPI 1431
#5.1
11/26/1991
RPI 1095
#4.1
08/06/1991
RPI 1079
From the same holder
Same category
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