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Official data from INPI

COMPOSTOS DE POLITRIAZINILA, PROCESSO PARA A SUA PREPARAÇÃO, EMPREGO, PROCESSO PARA ESTABILIZAR POLÍMEROS SINTÉTICOS E POLÍMEROS SINTÉTICOS ESTABILIZADOS.

ConcedidaInvention Patent

Application data

Number

PI8204701

Type

Invention Patent

Filing

08/10/1982

Publication

08/02/1983

Progress at the INPI

  1. Filing08/10/82
  2. Publication08/02/83
  3. Examination08/06/85
  4. Allowance10/13/87
  5. Grant05/31/88
  6. Terminated07/18/95

The patent was granted on 05/31/1988 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: 05/31/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

H. A. (pessoa física)

DE

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Inventors

G. P. (pessoa física)

DE

H. W. (pessoa física)

Technical data

Priority claims

DE

P 31 31 684.0 · 08/11/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

05/31/1988

RPI 919

Notificação para pagamento de retribuição

#13.1

02/09/1988

RPI 903

Deferimento

#9.1

10/13/1987

RPI 886

Exigência - art. 36 da LPI

#6.1

06/10/1986

RPI 816

Solicitação de exame técnico

#4.1

08/06/1985

RPI 772

Publicação do pedido de patente

#3.1

08/02/1983

RPI 667

Pedido de patente depositado

#2.1

09/21/1982

RPI 622

Anuidade - prazo legal encerrado

#18.2

07/18/1995

RPI 1285

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