Carta-patente expirada
#21.1
Patente extinta em 15/02/2016
04/12/2016
RPI 2362
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Official data from INPI
COMPOSIÇÃO BETUMINOSA, USO DE UM COPOLÍMERO EM BLOCO, E, COMPOSIÇÃO DE COPOLÍMERO EM BLOCO
Arquivada/ExtintaInvention Patent
Application data
Number
PI9600738Type
Invention Patent
Filing
02/15/1996
Publication
12/23/1997
Progress at the INPI
- Filing02/15/96
- Publication12/23/97
- Examination
- Allowance04/15/03
- Grant11/25/03
- Expired04/12/16
The letters patent expired on 04/12/2016: 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: 04/12/2016. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
Shell Internationale Research Maatschappij B.V.
NL
Inventors
A. H. (pessoa física)
NL
C. V. (pessoa física)
NL
G. H. (pessoa física)
NL
J. W. (pessoa física)
NL
Technical data
IPC Classification
Priority claims
EP
95301013.9 · 02/17/1995
EP
95301053.5 · 02/20/1995
EP
95305544.9 · 08/09/1995
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Concessão da patente
#16.1
11/25/2003
RPI 1716
Deferimento
#9.1
04/15/2003
RPI 1684
Exigência - art. 36 da LPI
#6.1
08/28/2001
RPI 1599
Publicação do pedido de patente
#3.1
12/23/1997
RPI 1409
Pedido de patente depositado
#2.1
03/26/1996
RPI 1321
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