Concessão da patente
#16.1
09/29/1987
RPI 884
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Official data from INPI
PROCESSO PARA A REACAO DE PELO MENOS UM FENOL HALOGENADO COM UM ALCALI
ConcedidaInvention Patent
Progress at the INPI
- Filing02/21/80
- Publication
- Examination12/01/81
- Allowance03/31/87
- Grant09/29/87
- Terminated02/04/92
The patent was granted on 09/29/1987 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: 09/29/1987. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
Chapman Chemical Company
US
Inventors
N. F. (pessoa física)
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Deferimento
#9.1
03/31/1987
RPI 858
Exigência - art. 36 da LPI
#6.1
04/01/1986
RPI 806
Republicação - classificação IPC
#15.11
01/07/1986
RPI 794
Exigência - art. 36 da LPI
#6.1
01/22/1985
RPI 744
Exigência - art. 36 da LPI
#6.1
04/24/1984
RPI 705
Solicitação de exame técnico
#4.1
12/01/1981
RPI 580
Anuidade - prazo legal encerrado
#18.2
02/04/1992
RPI 1105
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