Republicação - classificação IPC
#15.11
Procedimento automático de reclassificação. As classificações IPC anteriores eram: C08L 23/02; C08L 23/10; C08L 23/26; C08L 33/02; C08L 71/04; C08L 81/06.
03/20/2018
RPI 2463
Application data
Number
PI8707939Type
Filing
Publication
PCT
US1987002922 The letters patent expired on 07/29/2008: 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: 03/20/2018. We update with every new RPI gazette, published weekly.
Applicants
E.I. Du Pont de Nemours and Company
US
Inventors
R. S. (pessoa física)
US
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#15.11
Procedimento automático de reclassificação. As classificações IPC anteriores eram: C08L 23/02; C08L 23/10; C08L 23/26; C08L 33/02; C08L 71/04; C08L 81/06.
03/20/2018
RPI 2463
#21.1
Patente extinta em 13/11/2002
07/29/2008
RPI 1960
#16.1
04/30/1996
RPI 1326
#9.1
09/05/1995
RPI 1292
#6.1
02/21/1995
RPI 1264
#4.1
07/30/1991
RPI 1078
#1.3
03/27/1990
RPI 1011
From the same holder
Same category
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