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Official data from INPI

Processo de hidrocarbonilação e/ou de carbonilação de carboxilatos de alquilas em meio aquoso.

ConcedidaInvention Patent
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Application data

Number

PI8105081

Type

Invention Patent

Filing

08/06/1981

Publication

04/20/1982
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Progress at the INPI

  1. Filing08/06/81
  2. Publication04/20/82
  3. Examination05/08/84
  4. Allowance07/08/86
  5. Grant03/17/87
  6. Terminated09/13/94

The patent was granted on 03/17/1987 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: 03/17/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Rhone-Poulenc Industries

FR

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Inventors

L. J. (pessoa física)

P. R. (pessoa física)

Technical data

IPC Classification

C09B 1/503

Priority claims

FR

80 17703 · 08/07/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

03/17/1987

RPI 856

Notificação para pagamento de retribuição

#13.1

11/04/1986

RPI 837

Deferimento

#9.1

07/08/1986

RPI 820

Exigência - art. 36 da LPI

#6.1

11/26/1985

RPI 788

Exigência - art. 36 da LPI

#6.1

12/18/1984

RPI 739

Solicitação de exame técnico

#4.1

05/08/1984

RPI 707

Publicação do pedido de patente

#3.1

04/20/1982

RPI 600

Anuidade - prazo legal encerrado

#18.2

09/13/1994

RPI 1241

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