Notificação de entrada na fase nacional - PCT
#1.3
10/31/1989
RPI 993
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Official data from INPI
COMPOSIÇÃO DE RESINA COMPREENDENDO ÉSTER DE POLIARILENO E POLICARBONATO OU TEREFTALATO DE POLIALQUILENO E TENDO PROPRIEDADES APERFEIÇOADAS
Arquivada/ExtintaInvention PatentPCT · JP1987000443
Application data
Number
PI8707801Type
Invention Patent
Filing
06/30/1987
Publication
10/31/1989
PCT
JP1987000443 Progress at the INPI
- Filing06/30/87
- Publication10/31/89
- Examination03/01/90
- Allowance07/04/95
- Grant03/26/96
- Expired07/29/08
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: 10/31/1989. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
Sumitomo Chemical Company, Limited
JP
Inventors
K. A. (pessoa física)
JP
M. I. (pessoa física)
JP
Y. S. (pessoa física)
JP
Technical data
IPC Classification
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Carta-patente expirada
#21.1
Patente extinta em 30/06/2002
07/29/2008
RPI 1960
Concessão da patente
#16.1
03/26/1996
RPI 1321
Notificação para pagamento de retribuição
#13.1
11/14/1995
RPI 1302
Deferimento
#9.1
07/04/1995
RPI 1283
Exigência - art. 36 da LPI
#6.1
01/25/1994
RPI 1208
Solicitação de exame técnico
#4.1
03/01/1990
RPI 1007
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