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Official data from INPI

PROCESSO PARA PREPARAR ACIDOS CARBOXILICOS AROMATICOS

Em AnáliseInvention Patent

Application data

Number

PI8005517

Type

Invention Patent

Filing

09/01/1979

Publication

-

Progress at the INPI

  1. Filing09/01/79
  2. Publication
  3. Examination05/24/83
  4. Allowance09/25/84
  5. Grant05/28/85
  6. Terminated05/17/88

The patent was granted on 05/28/1985 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: 05/17/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

STAMICARBON [NL]

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Inventors

J. C. (pessoa física)

L. W. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

05/17/1988

RPI 917

Concessão da patente

#16.1

05/28/1985

RPI 762

Notificação para pagamento de retribuição

#13.1

01/29/1985

RPI 745

Deferimento

#9.1

09/25/1984

RPI 727

Exigência - art. 36 da LPI

#6.1

01/17/1984

RPI 691

Solicitação de exame técnico

#4.1

05/24/1983

RPI 657

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