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Official data from INPI

APERFEIÇOAMENTO EM PROCESSO PARA PRODUZIR COPOLÍMEROS DE PROPILENO.

Em AnáliseInvention Patent

Application data

Number

PI7908553

Type

Invention Patent

Filing

12/27/1979

Publication

-

Progress at the INPI

  1. Filing12/27/79
  2. Publication
  3. Examination06/29/82
  4. Allowance02/12/85
  5. Grant07/30/85
  6. Terminated05/17/88

The patent was granted on 07/30/1985 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: 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. M. (pessoa física)

M. K. (pessoa física)

N. Y. (pessoa física)

N. M. (pessoa física)

N. A. (pessoa física)

S. A. (pessoa física)

Technical data

IPC Classification

Priority claims

JP

163010/78 · 12/28/1978

JP

543/79 · 01/18/1979

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

07/30/1985

RPI 771

Notificação para pagamento de retribuição

#13.1

05/28/1985

RPI 762

Deferimento

#9.1

02/12/1985

RPI 747

Exigência - art. 36 da LPI

#6.1

05/22/1984

RPI 709

Solicitação de exame técnico

#4.1

06/29/1982

RPI 610

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