Notificação de entrada na fase nacional - PCT
#1.3
10/31/1989
RPI 993
Application data
Number
PI8807225Type
Filing
Publication
PCT
US1988003395 The letters patent expired on 09/02/2008: 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: 10/31/1989. We update with every new RPI gazette, published weekly.
Applicants
Exxon Chemical Patents Inc
US
Exxon Chemical Patents Inc.
US
Inventors
G. C. (pessoa física)
US
R. M. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#1.3
10/31/1989
RPI 993
#21.1
Patente extinta em 28/09/2003
09/02/2008
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03/25/1997
RPI 1373
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03/26/1996
RPI 1321
#6.1
01/31/1995
RPI 1261
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08/20/1991
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