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Official data from INPI

PAPEL CONTENDO CELULOSE QUIMICAMENTE SUBSTITUIDA E SUA PREPARACAO

Em AnáliseInvention Patent

Application data

Number

PI8406599

Type

Invention Patent

Filing

05/19/1983

Publication

03/12/1985

Progress at the INPI

Technical opinion to answer
  1. Filing05/19/83
  2. Publication03/12/85
  3. Examination06/16/87
  4. Allowance
  5. Grant
  6. In force

The INPI issued a technical opinion on patentability. The applicant must respond for examination to continue.

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Latest action published by the INPI: 09/06/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

LAENNEN TEHTAAT OY [FI]

Inventors

E. [. (pessoa física)

E. [. (pessoa física)

[. (pessoa física)

I. [. (pessoa física)

L. [. (pessoa física)

P. K. (pessoa física)

S. [. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Conhecimento de parecer técnico

#7.1

09/06/1988

RPI 933

Solicitação de exame técnico

#4.1

06/16/1987

RPI 869

Notificação de entrada na fase nacional - PCT

#1.3

03/12/1985

RPI 751

Retificação

#15.3

05/28/1991

RPI 1069

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