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Official data from INPI

PROCESSO PARA PREPARAR UM POLIMERO OU COPOLIMERO DE OLEFINA,E CATALISADOR PARA USO NO DITO PROCESSO

ConcedidaInvention Patent

Application data

Number

PI7801318

Type

Invention Patent

Filing

03/04/1977

Publication

-

Progress at the INPI

  1. Filing03/04/77
  2. Publication
  3. Examination
  4. Allowance08/30/83
  5. Grant03/27/84
  6. Terminated06/29/93

The patent was granted on 03/27/1984 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: 03/27/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

M. I. (pessoa física)

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Inventors

K. N. (pessoa física)

T. A. (pessoa física)

Y. K. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

03/27/1984

RPI 701

Notificação para pagamento de retribuição

#13.1

12/20/1983

RPI 687

Deferimento

#9.1

08/30/1983

RPI 671

Exigência - art. 36 da LPI

#6.1

02/22/1983

RPI 644

21.5

07/06/1993

RPI 1179

Carta-patente expirada

#21.1

06/29/1993

RPI 1178

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