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Official data from INPI

PROCESSO PARA A PREPARAÇÃO DE UM COMPÓSITO DE CELULOSE AGLOMERADO E COMPÓSITOS VIRGEM GRANULAR A BASE EM DEAE-CELULOSE E VIRGINAL, CELULÓSICO,AGLOMERADO, POLIMÉRICO HIDRÓFOBO, GRANULAR

Prazo de SigiloInvention Patent

Application data

Number

PI8902332

Type

Invention Patent

Filing

05/18/1989

Publication

01/09/1990

Progress at the INPI

  1. Filing05/18/89
  2. Publication01/09/90
  3. Examination
  4. Allowance
  5. Grant
  6. In force

Published on 01/09/1990, the application is awaiting technical examination at the INPI, which decides whether the invention meets the patentability requirements.

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Latest action published by the INPI: 07/04/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Cultor Ltd

FI

Nabisco Brands, Inc

US

Inventors

D. H. (pessoa física)

R. A. (pessoa física)

Technical data

Priority claims

US

196,152 · 05/19/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

07/04/1989

RPI 976

Retificação

#15.3

11/01/1994

RPI 1248

14.1

06/25/1991

RPI 1073

14.1

06/18/1991

RPI 1072

Publicação do pedido de patente

#3.1

01/09/1990

RPI 1001

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