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Official data from INPI

PROCESSO PARA PRECIPITAR DERIVADOS DE CELULOSE.

ConcedidaInvention PatentPCT · FI1982000070

Application data

Number

PI8208041

Type

Invention Patent

Filing

12/30/1982

Publication

11/22/1983

PCT

FI1982000070

Progress at the INPI

  1. Filing12/30/82
  2. Publication11/22/83
  3. Examination07/16/85
  4. Allowance08/02/88
  5. Grant05/30/89
  6. Terminated04/18/95

The patent was granted on 05/30/1989 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: 05/30/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Neste Oy

FI

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Inventors

E. [. (pessoa física)

E. [. (pessoa física)

[. (pessoa física)

H. J. (pessoa física)

M. [. (pessoa física)

T. [. (pessoa física)

Technical data

IPC Classification

Priority claims

FI

81 4209 · 12/30/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

05/30/1989

RPI 971

Notificação para pagamento de retribuição

#13.1

11/29/1988

RPI 945

Deferimento

#9.1

08/02/1988

RPI 928

15.19

11/17/1987

RPI 891

Retificação

#15.3

09/08/1987

RPI 881

Exigência - art. 36 da LPI

#6.1

05/06/1986

RPI 811

Solicitação de exame técnico

#4.1

07/16/1985

RPI 769

Notificação de entrada na fase nacional - PCT

#1.3

11/22/1983

RPI 683

Anuidade - prazo legal encerrado

#18.2

04/18/1995

RPI 1272

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