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Official data from INPI

COMPONENTE DE TITANIO CATALITICO, PROCESSO PARA SUA PREPARACAO, PROCESSO PARA POLIMERIZACAO DE ALQUENOS-1 E PARA A COPOLIMERIZACAO DE ALQUENOS-1 UNS COM OS OUTROS OU COM ETILENO, E OBJETO CONFIGURADO

ConcedidaInvention Patent

Application data

Number

PI8001974

Type

Invention Patent

Filing

04/01/1979

Publication

-

Progress at the INPI

  1. Filing04/01/79
  2. Publication
  3. Examination02/01/83
  4. Allowance06/26/84
  5. Grant12/26/84
  6. Terminated09/25/90

The patent was granted on 12/26/1984 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: 12/26/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

STAMICARBON

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Inventors

J. D. (pessoa física)

L. J. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

12/26/1984

RPI 740

Notificação para pagamento de retribuição

#13.1

10/23/1984

RPI 731

Deferimento

#9.1

06/26/1984

RPI 714

Exigência - art. 36 da LPI

#6.1

11/22/1983

RPI 683

Solicitação de exame técnico

#4.1

02/01/1983

RPI 641

Anuidade - prazo legal encerrado

#18.2

09/25/1990

RPI 1034

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