Concessão da patente
#16.1
03/17/1987
RPI 856
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Official data from INPI
PROCESSO E INSTALAÇÃO PARA A PREPARAÇÃO DE ANIDRITA SINTÉTICA E DE ÁCIDO FLUORÍDRICO PURO.
ConcedidaInvention Patent
Application data
Number
PI8109005Type
Invention Patent
Filing
12/21/1981
Publication
04/12/1983
Progress at the INPI
- Filing12/21/81
- Publication04/12/83
- Examination01/15/85
- Allowance07/08/86
- Grant03/17/87
- In force12/21/01
The patent was granted on 03/17/1987 and is in force until 12/21/2001. Until then, no one may make, use or sell the invention in Brazil without the owner's authorisation.
Protection valid until:12/21/2001
Latest action published by the INPI: 03/17/1987. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
Buss Ag.
Inventors
B. [. (pessoa física)
E. [. (pessoa física)
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Notificação para pagamento de retribuição
#13.1
11/04/1986
RPI 837
Deferimento
#9.1
07/08/1986
RPI 820
Exigência - art. 36 da LPI
#6.1
07/30/1985
RPI 771
Solicitação de exame técnico
#4.1
01/15/1985
RPI 743
Notificação de entrada na fase nacional - PCT
#1.3
04/12/1983
RPI 651
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