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Official data from INPI

PROCESSO PARA PRODUCAO DE UM CATALISADOR DE TRICLORETO DE TITANIO SOLIDO,CONTENDO POLIMERO DE PROPILENO,E PROCESSO PARA PRODUCAO DE UM POLIMERO DE PROPILENO USANDO O DITO CATALISADOR

ConcedidaInvention Patent

Application data

Number

PI7802131

Type

Invention Patent

Filing

05/11/1977

Publication

-

Progress at the INPI

  1. Filing05/11/77
  2. Publication
  3. Examination
  4. Allowance11/01/83
  5. Grant06/26/84
  6. Terminated06/29/93

The patent was granted on 06/26/1984 and later terminated. Protection ended before the full term and the technology is in the public domain in Brazil.

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Latest action published by the INPI: 06/26/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

M. I. (pessoa física)

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Inventors

A. T. (pessoa física)

G. N. (pessoa física)

M. Y. (pessoa física)

N. Y. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

06/26/1984

RPI 714

Notificação para pagamento de retribuição

#13.1

02/14/1984

RPI 695

Deferimento

#9.1

11/01/1983

RPI 680

Exigência - art. 36 da LPI

#6.1

02/01/1983

RPI 641

21.5

07/06/1993

RPI 1179

Carta-patente expirada

#21.1

06/29/1993

RPI 1178

20.4

03/13/1990

RPI 1009

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