20.4
01/26/1988
RPI 901
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Official data from INPI
PROCESSO DE PURIFICACAO PARA MONOMEROS E SOLVENTES USADOS NA PRODUCAO DE POLIMEROS POR POLIMERIZACAO EM SOLUCAO
Em AnáliseInvention Patent
Progress at the INPI
- Filing01/28/80
- Publication
- Examination10/04/83
- Allowance04/16/85
- Grant10/29/85
- Terminated02/04/92
The patent was granted on 10/29/1985 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.
Talk to a specialistLatest action published by the INPI: 01/26/1988. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
I. R. (pessoa física)
Inventors
M. P. (pessoa física)
W. K. (pessoa física)
Technical data
IPC Classification
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
20.6
09/01/1987
RPI 880
Concessão da patente
#16.1
10/29/1985
RPI 784
Notificação para pagamento de retribuição
#13.1
08/06/1985
RPI 772
Deferimento
#9.1
04/16/1985
RPI 756
Exigência - art. 36 da LPI
#6.1
08/07/1984
RPI 720
Solicitação de exame técnico
#4.1
10/04/1983
RPI 676
Anuidade - prazo legal encerrado
#18.2
02/04/1992
RPI 1105
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