Official data from INPI

PROCESSO PARA CONDENSAR 3-METIL-2-BUTEN1-OL E UM CORTOACETADO DE ALQUILA INFERIOR.

ConcedidaInvention Patent

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Application data

Number

PI8002572

Type

Invention Patent

Filing

04/25/1980

Publication

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Progress at the INPI

Filing04/25/80
Publication
Examination03/29/83
Allowance11/13/84
Grant05/28/85
Expired06/13/95

The letters patent expired on 06/13/1995: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

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Latest action published by the INPI: 05/28/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

F. C. (pessoa física)

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Inventors

O. E. (pessoa física)

P. J. (pessoa física)

Technical data

IPC Classification

C07C 67/00 C07C 67/03 C07C 69/00 C07C 69/22 C07C 69/24 C07C 69/533

Priority claims

033.607 · 04/26/1979

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

05/28/1985

RPI 762

Notificação para pagamento de retribuição

#13.1

03/26/1985

RPI 753

Deferimento

#9.1

11/13/1984

RPI 734

Exigência - art. 36 da LPI

#6.1

01/24/1984

RPI 692

Solicitação de exame técnico

#4.1

03/29/1983

RPI 649

Carta-patente expirada

#21.1

06/13/1995

RPI 1280

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