Concessão da patente
#16.1
05/27/1986
RPI 814
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Official data from INPI
Processo para separação de solventes clorados dos polímeros clorados que os contêm, e polímeros clorados assim purificados.
ConcedidaInvention Patent
Progress at the INPI
- Filing10/01/79
- Publication
- Examination08/03/82
- Allowance10/15/85
- Grant05/27/86
- Expired04/25/95
The letters patent expired on 04/25/1995: 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: 05/27/1986. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
Caffaro S.p.A.
IT
Inventors
P. E. (pessoa física)
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Deferimento
#9.1
10/15/1985
RPI 782
Republicação - classificação IPC
#15.11
09/03/1985
RPI 776
Exigência - art. 36 da LPI
#6.1
11/27/1984
RPI 736
Exigência - art. 36 da LPI
#6.1
02/28/1984
RPI 697
Solicitação de exame técnico
#4.1
08/03/1982
RPI 615
Carta-patente expirada
#21.1
04/25/1995
RPI 1273
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