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Official data from INPI

PROCESSO PARA A PREPARAÇÃO DE ARTIGOS TENDO ALTA RESISTÊNCIA À TRAÇÃO E UM ALTO MÓDULO, E FILAMENTOS DE POLIACRILONITRILA

ConcedidaInvention Patent

Application data

Number

PI8406282

Type

Invention Patent

Filing

12/07/1984

Publication

10/01/1985

Progress at the INPI

  1. Filing12/07/84
  2. Publication10/01/85
  3. Examination06/16/87
  4. Allowance05/16/89
  5. Grant11/28/89
  6. Terminated07/04/95

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

Stamicarbon B.V. (subsidiária licenciada da DSM)

NL

Inventors

P. L. (pessoa física)

NL

R. S. (pessoa física)

NL

Technical data

IPC Classification

Priority claims

NL

8304263 · 12/10/1983

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

Exigência - art. 36 da LPI

#6.1

09/06/1988

RPI 933

Solicitação de exame técnico

#4.1

06/16/1987

RPI 869

Publicação do pedido de patente

#3.1

10/01/1985

RPI 780

Pedido de patente depositado

#2.1

02/26/1985

RPI 749

Anuidade - prazo legal encerrado

#18.2

07/04/1995

RPI 1283

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