Publicação do pedido de patente
#3.1
11/21/1989
RPI 996
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Official data from INPI
PROCESSO DE FABRICAÇÃO DE POLICLOROPRENO, E, PROCESSO PARA OBTENÇÃO DE MISTURAS DE POLICLOROPRENOS
PublicadaInvention Patent
Application data
Number
PI8901656Type
Invention Patent
Filing
04/07/1989
Publication
11/21/1989
Progress at the INPI
- Filing04/07/89
- Publication11/21/89
- Examination03/19/91
- Allowance01/17/95
- Grant01/30/96
- Expired12/15/09
The letters patent expired on 12/15/2009: 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: 11/21/1989. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
Distugil
FR
Enichem Elastomres France S.A
FR
Inventors
F. S. (pessoa física)
FR
P. B. (pessoa física)
FR
P. P. (pessoa física)
FR
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Pedido de patente depositado
#2.1
05/23/1989
RPI 970
Carta-patente expirada
#21.1
Patente extinta em 07/04/2004
12/15/2009
RPI 2032
Concessão da patente
#16.1
01/30/1996
RPI 1313
14.1
10/03/1995
RPI 1296
14.10
09/26/1995
RPI 1295
14.3
08/01/1995
RPI 1287
Deferimento
#9.1
01/17/1995
RPI 1259
Exigência - art. 36 da LPI
#6.1
07/19/1994
RPI 1233
Solicitação de exame técnico
#4.1
03/19/1991
RPI 1059
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