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Official data from INPI

PROCESSO MONOFASICO DE PLIMERIZACAO DE ETILENO NA PRESENCADE AGUA E INSTALACAO PARA A EXECUCAO DO MESMO

Em AnáliseInvention Patent

Application data

Number

PI8102041

Type

Invention Patent

Filing

05/06/1980

Publication

01/12/1982

Progress at the INPI

  1. Filing05/06/80
  2. Publication01/12/82
  3. Examination01/31/84
  4. Allowance01/02/85
  5. Grant08/27/85
  6. Terminated05/24/88

The patent was granted on 08/27/1985 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: 05/24/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

C. C. (pessoa física)

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Inventors

M. J. (pessoa física)

N. A. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

05/24/1988

RPI 918

Concessão da patente

#16.1

08/27/1985

RPI 775

Notificação para pagamento de retribuição

#13.1

04/23/1985

RPI 757

Deferimento

#9.1

01/02/1985

RPI 741

Solicitação de exame técnico

#4.1

01/31/1984

RPI 693

Publicação do pedido de patente

#3.1

01/12/1982

RPI 586

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