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Official data from INPI

PROCESSO PARA A PRODUÇÃO CONTÍNUA DE UM ÁCIDO ORGÂNICO

DeferidaInvention Patent

Application data

Number

PI8401077

Type

Invention Patent

Filing

03/09/1984

Publication

10/16/1984

Progress at the INPI

  1. Filing03/09/84
  2. Publication10/16/84
  3. Examination10/29/86
  4. Allowance10/10/89
  5. Grant04/24/90
  6. Terminated02/25/92

The patent was granted on 04/24/1990 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: 10/10/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

CPC International Inc.

US

See this company's full portfolio

Inventors

W. R. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

474.412 · 03/11/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Deferimento

#9.1

10/10/1989

RPI 990

Exigência - art. 36 da LPI

#6.1

03/28/1989

RPI 962

Solicitação de exame técnico

#4.1

10/29/1986

RPI 836

Publicação do pedido de patente

#3.1

10/16/1984

RPI 730

Pedido de patente depositado

#2.1

05/15/1984

RPI 708

Anuidade - prazo legal encerrado

#18.2

02/25/1992

RPI 1108

Concessão da patente

#16.1

04/24/1990

RPI 1015

Notificação para pagamento de retribuição

#13.1

02/06/1990

RPI 1005

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