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Official data from INPI

PROCESSO PARA A POLIMERIZAÇÃO DE 1-OLEFINAS

Em AnáliseInvention Patent

Application data

Number

PI8008258

Type

Invention Patent

Filing

12/17/1980

Publication

-

Progress at the INPI

  1. Filing12/17/80
  2. Publication
  3. Examination08/09/83
  4. Allowance10/15/85
  5. Grant08/26/86
  6. Terminated08/09/94

The patent was granted on 08/26/1986 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

L. W. (pessoa física)

Technical data

IPC Classification

Priority claims

US

104.929 · 12/18/1979

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

Concessão da patente

#16.1

08/26/1986

RPI 827

Deferimento

#9.1

10/15/1985

RPI 782

Exigência - art. 36 da LPI

#6.1

01/15/1985

RPI 743

Exigência - art. 36 da LPI

#6.1

02/14/1984

RPI 695

Solicitação de exame técnico

#4.1

08/09/1983

RPI 668

Anuidade - prazo legal encerrado

#18.2

08/09/1994

RPI 1236

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