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Official data from INPI

Processo de preparação de um ácido carboxílico.

ConcedidaInvention Patent

Application data

Number

PI8102748

Type

Invention Patent

Filing

05/05/1981

Publication

01/26/1982

Progress at the INPI

  1. Filing05/05/81
  2. Publication01/26/82
  3. Examination02/21/84
  4. Allowance10/15/85
  5. Grant08/26/86
  6. Terminated08/30/94

The patent was granted on 08/26/1986 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: 08/26/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Rhone-Poulenc Industries

FR

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Inventors

G. J. (pessoa física)

P. R. (pessoa física)

Technical data

IPC Classification

Priority claims

FR

80 10540 · 05/06/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/26/1986

RPI 827

Deferimento

#9.1

10/15/1985

RPI 782

Exigência - art. 36 da LPI

#6.1

11/20/1984

RPI 735

Solicitação de exame técnico

#4.1

02/21/1984

RPI 696

Publicação do pedido de patente

#3.1

01/26/1982

RPI 588

Anuidade - prazo legal encerrado

#18.2

08/30/1994

RPI 1239

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