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Official data from INPI

PROCESSO PARA A POLIMERIZAÇÃO DE 1-OLEFINAS

ConcedidaInvention Patent

Application data

Number

PI8008260

Type

Invention Patent

Filing

12/17/1980

Publication

08/03/1982

Progress at the INPI

  1. Filing12/17/80
  2. Publication08/03/82
  3. Examination10/02/84
  4. Allowance05/16/89
  5. Grant11/28/89
  6. Terminated08/09/94

The patent was granted on 11/28/1989 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: 11/28/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

H. I. (pessoa física)

US

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Inventors

A. M. (pessoa física)

Technical data

IPC Classification

Priority claims

US

130.500 · 03/14/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

11/28/1989

RPI 997

Notificação para pagamento de retribuição

#13.1

09/12/1989

RPI 986

Deferimento

#9.1

05/16/1989

RPI 969

14.1

05/03/1988

RPI 915

14.7

04/26/1988

RPI 914

Conhecimento de parecer técnico

#7.1

10/22/1985

RPI 783

Pedido de certificado de adição de invenção

#5.1

03/05/1985

RPI 750

Solicitação de exame técnico

#4.1

10/02/1984

RPI 728

Publicação do pedido de patente

#3.1

08/03/1982

RPI 615

Anuidade - prazo legal encerrado

#18.2

08/09/1994

RPI 1236

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