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Official data from INPI

Processo de preparação de um ácido carboxilico de fórmula R1COOH.

ConcedidaInvention Patent
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Application data

Number

PI8101937

Type

Invention Patent

Filing

03/31/1981

Publication

10/06/1981
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Progress at the INPI

  1. Filing03/31/81
  2. Publication10/06/81
  3. Examination11/16/83
  4. Allowance10/15/85
  5. Grant05/27/86
  6. Terminated08/23/94

The patent was granted on 05/27/1986 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 05/27/1986. 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

C09B 1/503

Priority claims

FR

80 07876 · 04/02/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

05/27/1986

RPI 814

Deferimento

#9.1

10/15/1985

RPI 782

Exigência - art. 36 da LPI

#6.1

02/20/1985

RPI 748

Exigência - art. 36 da LPI

#6.1

09/25/1984

RPI 727

Solicitação de exame técnico

#4.1

11/16/1983

RPI 682

Publicação do pedido de patente

#3.1

10/06/1981

RPI 572

Anuidade - prazo legal encerrado

#18.2

08/23/1994

RPI 1238

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