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Official data from INPI

PROCESSO DE CARBONILAÇÃO DO ACETATO DE METILA

ConcedidaInvention Patent

Application data

Number

PI8202594

Type

Invention Patent

Filing

05/05/1982

Publication

04/19/1983

Progress at the INPI

  1. Filing05/05/82
  2. Publication04/19/83
  3. Examination05/28/85
  4. Allowance10/13/87
  5. Grant05/31/88
  6. Terminated11/29/94

The patent was granted on 05/31/1988 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 05/31/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

R. B. (pessoa física)

FR

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Inventors

J. G. (pessoa física)

FR

Technical data

Priority claims

FR

81/11 787 · 06/12/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

05/31/1988

RPI 919

Notificação para pagamento de retribuição

#13.1

02/09/1988

RPI 903

Deferimento

#9.1

10/13/1987

RPI 886

Exigência - art. 36 da LPI

#6.1

04/01/1986

RPI 806

Solicitação de exame técnico

#4.1

05/28/1985

RPI 762

Publicação do pedido de patente

#3.1

04/19/1983

RPI 652

Pedido de patente depositado

#2.1

06/22/1982

RPI 609

Anuidade - prazo legal encerrado

#18.2

11/29/1994

RPI 1252

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