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Official data from INPI

PROCESSO APERFEIÇOADO DE POLIMERIZAÇÃO.

Em AnáliseInvention Patent

Application data

Number

PI8003506

Type

Invention Patent

Filing

06/04/1980

Publication

-

Progress at the INPI

  1. Filing06/04/80
  2. Publication
  3. Examination04/12/83
  4. Allowance01/10/84
  5. Grant07/31/84
  6. Terminated05/17/88

The patent was granted on 07/31/1984 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

Sumitomo Chemical Company, Limited.

JP

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Inventors

K. H. (pessoa física)

K. M. (pessoa física)

Technical data

Priority claims

JP

71872/79 · 06/07/1979

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

07/31/1984

RPI 719

Notificação para pagamento de retribuição

#13.1

05/02/1984

RPI 706

Deferimento

#9.1

01/10/1984

RPI 690

Solicitação de exame técnico

#4.1

04/12/1983

RPI 651

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