Publicação do pedido de patente
#3.1
08/22/1989
RPI 983
Application data
Number
PI8806522Type
Filing
Publication
The letters patent expired on 12/18/2012: 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: 08/22/1989. We update with every new RPI gazette, published weekly.
Applicants
Exxon Chemical Patents Inc
US
Inventors
D. H. (pessoa física)
US
H. W. (pessoa física)
US
J. F. (pessoa física)
US
K. P. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
08/22/1989
RPI 983
#2.1
04/18/1989
RPI 965
#21.1
Patente extinta em 23/02/2009
12/18/2012
RPI 2189
#16.1
02/23/1999
RPI 1468
#9.1
09/01/1998
RPI 1445
#6.1
02/07/1995
RPI 1262
#4.1
10/22/1991
RPI 1090
From the same holder
Same category
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