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Official data from INPI

CATALIZADOR DE POLIMERIZAÇÃO DE OLEFINAS, PROCESSO PARA A POLIMERIZAÇÃO DE ALFA-OLEOFINAS USANDO O DITO CATALIZADOR E POLÍMEROS DE ALFA-OLEFINAS PRODUZIDOS PELO DITO PROCESSO.

ConcedidaInvention Patent

Application data

Number

PI8007883

Type

Invention Patent

Filing

12/02/1980

Publication

-

Progress at the INPI

  1. Filing12/02/80
  2. Publication
  3. Examination11/17/81
  4. Allowance04/16/85
  5. Grant10/01/85
  6. Terminated08/09/94

The patent was granted on 10/01/1985 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: 10/01/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

A. K. (pessoa física)

JP

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Inventors

H. S. (pessoa física)

S. T. (pessoa física)

T. I. (pessoa física)

Y. K. (pessoa física)

Technical data

IPC Classification

Priority claims

JP

156347/79 · 12/04/1979

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

10/01/1985

RPI 780

Deferimento

#9.1

04/16/1985

RPI 756

Exigência - art. 36 da LPI

#6.1

09/18/1984

RPI 726

Exigência - art. 36 da LPI

#6.1

01/24/1984

RPI 692

6.2

12/07/1982

RPI 633

Solicitação de exame técnico

#4.1

11/17/1981

RPI 578

Anuidade - prazo legal encerrado

#18.2

08/09/1994

RPI 1236

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