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Official data from INPI

PROCESSO PARA PRODUZIR DERIVADOS DE CELULOSE SOLÚVEIS.

ConcedidaInvention PatentPCT · FI1982000069

Application data

Number

PI8208040

Type

Invention Patent

Filing

12/30/1982

Publication

11/22/1983

PCT

FI1982000069

Progress at the INPI

  1. Filing12/30/82
  2. Publication11/22/83
  3. Examination07/16/85
  4. Allowance12/29/87
  5. Grant07/26/88
  6. Terminated04/18/95

The patent was granted on 07/26/1988 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: 07/26/1988. 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. K. (pessoa física)

[. (pessoa física)

H. [. (pessoa física)

M. [. (pessoa física)

T. [. (pessoa física)

Technical data

IPC Classification

Priority claims

FI

81 4208 · 12/30/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

07/26/1988

RPI 927

Notificação para pagamento de retribuição

#13.1

05/10/1988

RPI 916

Deferimento

#9.1

12/29/1987

RPI 897

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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