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Official data from INPI

PROCESSO PARA PRAPARAR UM COMPONENTE DE CATALISADOR DE POLIMERIZAÇÃO DE 1-OLEFINAS.

Em AnáliseInvention Patent

Application data

Number

PI7905989

Type

Invention Patent

Filing

09/19/1979

Publication

-

Progress at the INPI

  1. Filing09/19/79
  2. Publication
  3. Examination03/22/83
  4. Allowance03/05/85
  5. Grant
  6. Terminated04/12/94

The patent was granted 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: 01/26/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

H. I. (pessoa física)

US

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Inventors

W. K. (pessoa física)

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de licença compulsória

#20.1

01/26/1988

RPI 901

20.7

01/19/1988

RPI 900

Notificação para pagamento de retribuição

#13.1

06/25/1985

RPI 766

Deferimento

#9.1

03/05/1985

RPI 750

Exigência - art. 36 da LPI

#6.1

02/21/1984

RPI 696

Solicitação de exame técnico

#4.1

03/22/1983

RPI 648

Anuidade - prazo legal encerrado

#18.2

04/12/1994

RPI 1219

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